Merge pull request #6444 from Ritel-T/pr/group-free-openai-fast

Add group-level Standard billing for OpenAI Fast requests

backend/ent/group.go

@@ -124,6 +124,8 @@ type Group struct {
 	AllowLive bool `json:"allow_live,omitempty"`
 	// 是否强制此 OpenAI/Composite 分组请求使用 service_tier=priority
 	ForceOpenaiFast bool `json:"force_openai_fast,omitempty"`
+	// 是否让此 OpenAI/Composite 分组的 Fast 请求按 Standard 价格计费
+	FreeOpenaiFast bool `json:"free_openai_fast,omitempty"`
 	// 仅允许非 apikey 类型账号关联到此分组
 	RequireOauthOnly bool `json:"require_oauth_only,omitempty"`
 	// 调度时仅允许 privacy 已成功设置的账号
@@ -256,7 +258,7 @@ func (*Group) scanValues(columns []string) ([]any, error) {
 		switch columns[i] {
 		case group.FieldVideoModelPrices, group.FieldModelPricing, group.FieldModelRouting, group.FieldSupportedModelScopes, group.FieldMessagesDispatchModelConfig, group.FieldModelsListConfig, group.FieldReasoningEffortMappings:
 			values[i] = new([]byte)
-		case group.FieldPeakRateEnabled, group.FieldIsExclusive, group.FieldAllowImageGeneration, group.FieldAllowBatchImageGeneration, group.FieldImageRateIndependent, group.FieldVideoRateIndependent, group.FieldLongContextPricingEnabled, group.FieldClaudeCodeOnly, group.FieldModelRoutingEnabled, group.FieldMcpXMLInject, group.FieldAllowMessagesDispatch, group.FieldAllowLive, group.FieldForceOpenaiFast, group.FieldRequireOauthOnly, group.FieldRequirePrivacySet, group.FieldProfitControlEnabled:
+		case group.FieldPeakRateEnabled, group.FieldIsExclusive, group.FieldAllowImageGeneration, group.FieldAllowBatchImageGeneration, group.FieldImageRateIndependent, group.FieldVideoRateIndependent, group.FieldLongContextPricingEnabled, group.FieldClaudeCodeOnly, group.FieldModelRoutingEnabled, group.FieldMcpXMLInject, group.FieldAllowMessagesDispatch, group.FieldAllowLive, group.FieldForceOpenaiFast, group.FieldFreeOpenaiFast, group.FieldRequireOauthOnly, group.FieldRequirePrivacySet, group.FieldProfitControlEnabled:
 			values[i] = new(sql.NullBool)
 		case group.FieldRateMultiplier, group.FieldPeakRateMultiplier, group.FieldDailyLimitUsd, group.FieldWeeklyLimitUsd, group.FieldMonthlyLimitUsd, group.FieldImageRateMultiplier, group.FieldImagePrice1k, group.FieldImagePrice2k, group.FieldImagePrice4k, group.FieldBatchImageDiscountMultiplier, group.FieldBatchImageHoldMultiplier, group.FieldVideoRateMultiplier, group.FieldVideoPrice480p, group.FieldVideoPrice720p, group.FieldVideoPrice1080p, group.FieldWebSearchPricePerCall, group.FieldSearchPricePer1k, group.FieldAudioRealtimePricePerMin, group.FieldAudioTtsPricePerMillionChars, group.FieldAudioSttPricePerHour, group.FieldProfitMinMargin, group.FieldProfitSafetyBuffer:
 			values[i] = new(sql.NullFloat64)
@@ -626,6 +628,12 @@ func (_m *Group) assignValues(columns []string, values []any) error {
 			} else if value.Valid {
 				_m.ForceOpenaiFast = value.Bool
 			}
+		case group.FieldFreeOpenaiFast:
+			if value, ok := values[i].(*sql.NullBool); !ok {
+				return fmt.Errorf("unexpected type %T for field free_openai_fast", values[i])
+			} else if value.Valid {
+				_m.FreeOpenaiFast = value.Bool
+			}
 		case group.FieldRequireOauthOnly:
 			if value, ok := values[i].(*sql.NullBool); !ok {
 				return fmt.Errorf("unexpected type %T for field require_oauth_only", values[i])
@@ -974,6 +982,9 @@ func (_m *Group) String() string {
 	builder.WriteString("force_openai_fast=")
 	builder.WriteString(fmt.Sprintf("%v", _m.ForceOpenaiFast))
 	builder.WriteString(", ")
+	builder.WriteString("free_openai_fast=")
+	builder.WriteString(fmt.Sprintf("%v", _m.FreeOpenaiFast))
+	builder.WriteString(", ")
 	builder.WriteString("require_oauth_only=")
 	builder.WriteString(fmt.Sprintf("%v", _m.RequireOauthOnly))
 	builder.WriteString(", ")

backend/ent/group/group.go

@@ -120,6 +120,8 @@ const (
 	FieldAllowLive = "allow_live"
 	// FieldForceOpenaiFast holds the string denoting the force_openai_fast field in the database.
 	FieldForceOpenaiFast = "force_openai_fast"
+	// FieldFreeOpenaiFast holds the string denoting the free_openai_fast field in the database.
+	FieldFreeOpenaiFast = "free_openai_fast"
 	// FieldRequireOauthOnly holds the string denoting the require_oauth_only field in the database.
 	FieldRequireOauthOnly = "require_oauth_only"
 	// FieldRequirePrivacySet holds the string denoting the require_privacy_set field in the database.
@@ -271,6 +273,7 @@ var Columns = []string{
 	FieldAllowMessagesDispatch,
 	FieldAllowLive,
 	FieldForceOpenaiFast,
+	FieldFreeOpenaiFast,
 	FieldRequireOauthOnly,
 	FieldRequirePrivacySet,
 	FieldDefaultMappedModel,
@@ -394,6 +397,8 @@ var (
 	DefaultAllowLive bool
 	// DefaultForceOpenaiFast holds the default value on creation for the "force_openai_fast" field.
 	DefaultForceOpenaiFast bool
+	// DefaultFreeOpenaiFast holds the default value on creation for the "free_openai_fast" field.
+	DefaultFreeOpenaiFast bool
 	// DefaultRequireOauthOnly holds the default value on creation for the "require_oauth_only" field.
 	DefaultRequireOauthOnly bool
 	// DefaultRequirePrivacySet holds the default value on creation for the "require_privacy_set" field.
@@ -674,6 +679,11 @@ func ByForceOpenaiFast(opts ...sql.OrderTermOption) OrderOption {
 	return sql.OrderByField(FieldForceOpenaiFast, opts...).ToFunc()
 }
 
+// ByFreeOpenaiFast orders the results by the free_openai_fast field.
+func ByFreeOpenaiFast(opts ...sql.OrderTermOption) OrderOption {
+	return sql.OrderByField(FieldFreeOpenaiFast, opts...).ToFunc()
+}
+
 // ByRequireOauthOnly orders the results by the require_oauth_only field.
 func ByRequireOauthOnly(opts ...sql.OrderTermOption) OrderOption {
 	return sql.OrderByField(FieldRequireOauthOnly, opts...).ToFunc()

backend/ent/group/where.go

@@ -295,6 +295,11 @@ func ForceOpenaiFast(v bool) predicate.Group {
 	return predicate.Group(sql.FieldEQ(FieldForceOpenaiFast, v))
 }
 
+// FreeOpenaiFast applies equality check predicate on the "free_openai_fast" field. It's identical to FreeOpenaiFastEQ.
+func FreeOpenaiFast(v bool) predicate.Group {
+	return predicate.Group(sql.FieldEQ(FieldFreeOpenaiFast, v))
+}
+
 // RequireOauthOnly applies equality check predicate on the "require_oauth_only" field. It's identical to RequireOauthOnlyEQ.
 func RequireOauthOnly(v bool) predicate.Group {
 	return predicate.Group(sql.FieldEQ(FieldRequireOauthOnly, v))
@@ -2290,6 +2295,16 @@ func ForceOpenaiFastNEQ(v bool) predicate.Group {
 	return predicate.Group(sql.FieldNEQ(FieldForceOpenaiFast, v))
 }
 
+// FreeOpenaiFastEQ applies the EQ predicate on the "free_openai_fast" field.
+func FreeOpenaiFastEQ(v bool) predicate.Group {
+	return predicate.Group(sql.FieldEQ(FieldFreeOpenaiFast, v))
+}
+
+// FreeOpenaiFastNEQ applies the NEQ predicate on the "free_openai_fast" field.
+func FreeOpenaiFastNEQ(v bool) predicate.Group {
+	return predicate.Group(sql.FieldNEQ(FieldFreeOpenaiFast, v))
+}
+
 // RequireOauthOnlyEQ applies the EQ predicate on the "require_oauth_only" field.
 func RequireOauthOnlyEQ(v bool) predicate.Group {
 	return predicate.Group(sql.FieldEQ(FieldRequireOauthOnly, v))

backend/ent/group_create.go

@@ -718,6 +718,20 @@ func (_c *GroupCreate) SetNillableForceOpenaiFast(v *bool) *GroupCreate {
 	return _c
 }
 
+// SetFreeOpenaiFast sets the "free_openai_fast" field.
+func (_c *GroupCreate) SetFreeOpenaiFast(v bool) *GroupCreate {
+	_c.mutation.SetFreeOpenaiFast(v)
+	return _c
+}
+
+// SetNillableFreeOpenaiFast sets the "free_openai_fast" field if the given value is not nil.
+func (_c *GroupCreate) SetNillableFreeOpenaiFast(v *bool) *GroupCreate {
+	if v != nil {
+		_c.SetFreeOpenaiFast(*v)
+	}
+	return _c
+}
+
 // SetRequireOauthOnly sets the "require_oauth_only" field.
 func (_c *GroupCreate) SetRequireOauthOnly(v bool) *GroupCreate {
 	_c.mutation.SetRequireOauthOnly(v)
@@ -1127,6 +1141,10 @@ func (_c *GroupCreate) defaults() error {
 		v := group.DefaultForceOpenaiFast
 		_c.mutation.SetForceOpenaiFast(v)
 	}
+	if _, ok := _c.mutation.FreeOpenaiFast(); !ok {
+		v := group.DefaultFreeOpenaiFast
+		_c.mutation.SetFreeOpenaiFast(v)
+	}
 	if _, ok := _c.mutation.RequireOauthOnly(); !ok {
 		v := group.DefaultRequireOauthOnly
 		_c.mutation.SetRequireOauthOnly(v)
@@ -1325,6 +1343,9 @@ func (_c *GroupCreate) check() error {
 	if _, ok := _c.mutation.ForceOpenaiFast(); !ok {
 		return &ValidationError{Name: "force_openai_fast", err: errors.New(`ent: missing required field "Group.force_openai_fast"`)}
 	}
+	if _, ok := _c.mutation.FreeOpenaiFast(); !ok {
+		return &ValidationError{Name: "free_openai_fast", err: errors.New(`ent: missing required field "Group.free_openai_fast"`)}
+	}
 	if _, ok := _c.mutation.RequireOauthOnly(); !ok {
 		return &ValidationError{Name: "require_oauth_only", err: errors.New(`ent: missing required field "Group.require_oauth_only"`)}
 	}
@@ -1611,6 +1632,10 @@ func (_c *GroupCreate) createSpec() (*Group, *sqlgraph.CreateSpec) {
 		_spec.SetField(group.FieldForceOpenaiFast, field.TypeBool, value)
 		_node.ForceOpenaiFast = value
 	}
+	if value, ok := _c.mutation.FreeOpenaiFast(); ok {
+		_spec.SetField(group.FieldFreeOpenaiFast, field.TypeBool, value)
+		_node.FreeOpenaiFast = value
+	}
 	if value, ok := _c.mutation.RequireOauthOnly(); ok {
 		_spec.SetField(group.FieldRequireOauthOnly, field.TypeBool, value)
 		_node.RequireOauthOnly = value
@@ -2685,6 +2710,18 @@ func (u *GroupUpsert) UpdateForceOpenaiFast() *GroupUpsert {
 	return u
 }
 
+// SetFreeOpenaiFast sets the "free_openai_fast" field.
+func (u *GroupUpsert) SetFreeOpenaiFast(v bool) *GroupUpsert {
+	u.Set(group.FieldFreeOpenaiFast, v)
+	return u
+}
+
+// UpdateFreeOpenaiFast sets the "free_openai_fast" field to the value that was provided on create.
+func (u *GroupUpsert) UpdateFreeOpenaiFast() *GroupUpsert {
+	u.SetExcluded(group.FieldFreeOpenaiFast)
+	return u
+}
+
 // SetRequireOauthOnly sets the "require_oauth_only" field.
 func (u *GroupUpsert) SetRequireOauthOnly(v bool) *GroupUpsert {
 	u.Set(group.FieldRequireOauthOnly, v)
@@ -3910,6 +3947,20 @@ func (u *GroupUpsertOne) UpdateForceOpenaiFast() *GroupUpsertOne {
 	})
 }
 
+// SetFreeOpenaiFast sets the "free_openai_fast" field.
+func (u *GroupUpsertOne) SetFreeOpenaiFast(v bool) *GroupUpsertOne {
+	return u.Update(func(s *GroupUpsert) {
+		s.SetFreeOpenaiFast(v)
+	})
+}
+
+// UpdateFreeOpenaiFast sets the "free_openai_fast" field to the value that was provided on create.
+func (u *GroupUpsertOne) UpdateFreeOpenaiFast() *GroupUpsertOne {
+	return u.Update(func(s *GroupUpsert) {
+		s.UpdateFreeOpenaiFast()
+	})
+}
+
 // SetRequireOauthOnly sets the "require_oauth_only" field.
 func (u *GroupUpsertOne) SetRequireOauthOnly(v bool) *GroupUpsertOne {
 	return u.Update(func(s *GroupUpsert) {
@@ -5328,6 +5379,20 @@ func (u *GroupUpsertBulk) UpdateForceOpenaiFast() *GroupUpsertBulk {
 	})
 }
 
+// SetFreeOpenaiFast sets the "free_openai_fast" field.
+func (u *GroupUpsertBulk) SetFreeOpenaiFast(v bool) *GroupUpsertBulk {
+	return u.Update(func(s *GroupUpsert) {
+		s.SetFreeOpenaiFast(v)
+	})
+}
+
+// UpdateFreeOpenaiFast sets the "free_openai_fast" field to the value that was provided on create.
+func (u *GroupUpsertBulk) UpdateFreeOpenaiFast() *GroupUpsertBulk {
+	return u.Update(func(s *GroupUpsert) {
+		s.UpdateFreeOpenaiFast()
+	})
+}
+
 // SetRequireOauthOnly sets the "require_oauth_only" field.
 func (u *GroupUpsertBulk) SetRequireOauthOnly(v bool) *GroupUpsertBulk {
 	return u.Update(func(s *GroupUpsert) {

backend/ent/group_update.go

@@ -1003,6 +1003,20 @@ func (_u *GroupUpdate) SetNillableForceOpenaiFast(v *bool) *GroupUpdate {
 	return _u
 }
 
+// SetFreeOpenaiFast sets the "free_openai_fast" field.
+func (_u *GroupUpdate) SetFreeOpenaiFast(v bool) *GroupUpdate {
+	_u.mutation.SetFreeOpenaiFast(v)
+	return _u
+}
+
+// SetNillableFreeOpenaiFast sets the "free_openai_fast" field if the given value is not nil.
+func (_u *GroupUpdate) SetNillableFreeOpenaiFast(v *bool) *GroupUpdate {
+	if v != nil {
+		_u.SetFreeOpenaiFast(*v)
+	}
+	return _u
+}
+
 // SetRequireOauthOnly sets the "require_oauth_only" field.
 func (_u *GroupUpdate) SetRequireOauthOnly(v bool) *GroupUpdate {
 	_u.mutation.SetRequireOauthOnly(v)
@@ -1833,6 +1847,9 @@ func (_u *GroupUpdate) sqlSave(ctx context.Context) (_node int, err error) {
 	if value, ok := _u.mutation.ForceOpenaiFast(); ok {
 		_spec.SetField(group.FieldForceOpenaiFast, field.TypeBool, value)
 	}
+	if value, ok := _u.mutation.FreeOpenaiFast(); ok {
+		_spec.SetField(group.FieldFreeOpenaiFast, field.TypeBool, value)
+	}
 	if value, ok := _u.mutation.RequireOauthOnly(); ok {
 		_spec.SetField(group.FieldRequireOauthOnly, field.TypeBool, value)
 	}
@@ -3163,6 +3180,20 @@ func (_u *GroupUpdateOne) SetNillableForceOpenaiFast(v *bool) *GroupUpdateOne {
 	return _u
 }
 
+// SetFreeOpenaiFast sets the "free_openai_fast" field.
+func (_u *GroupUpdateOne) SetFreeOpenaiFast(v bool) *GroupUpdateOne {
+	_u.mutation.SetFreeOpenaiFast(v)
+	return _u
+}
+
+// SetNillableFreeOpenaiFast sets the "free_openai_fast" field if the given value is not nil.
+func (_u *GroupUpdateOne) SetNillableFreeOpenaiFast(v *bool) *GroupUpdateOne {
+	if v != nil {
+		_u.SetFreeOpenaiFast(*v)
+	}
+	return _u
+}
+
 // SetRequireOauthOnly sets the "require_oauth_only" field.
 func (_u *GroupUpdateOne) SetRequireOauthOnly(v bool) *GroupUpdateOne {
 	_u.mutation.SetRequireOauthOnly(v)
@@ -4023,6 +4054,9 @@ func (_u *GroupUpdateOne) sqlSave(ctx context.Context) (_node *Group, err error)
 	if value, ok := _u.mutation.ForceOpenaiFast(); ok {
 		_spec.SetField(group.FieldForceOpenaiFast, field.TypeBool, value)
 	}
+	if value, ok := _u.mutation.FreeOpenaiFast(); ok {
+		_spec.SetField(group.FieldFreeOpenaiFast, field.TypeBool, value)
+	}
 	if value, ok := _u.mutation.RequireOauthOnly(); ok {
 		_spec.SetField(group.FieldRequireOauthOnly, field.TypeBool, value)
 	}

backend/ent/migrate/schema.go

@@ -955,6 +955,7 @@ var (
 		{Name: "allow_messages_dispatch", Type: field.TypeBool, Default: false},
 		{Name: "allow_live", Type: field.TypeBool, Default: false},
 		{Name: "force_openai_fast", Type: field.TypeBool, Default: false},
+		{Name: "free_openai_fast", Type: field.TypeBool, Default: false},
 		{Name: "require_oauth_only", Type: field.TypeBool, Default: false},
 		{Name: "require_privacy_set", Type: field.TypeBool, Default: false},
 		{Name: "default_mapped_model", Type: field.TypeString, Size: 100, Default: ""},

backend/ent/mutation.go

@@ -22159,6 +22159,7 @@ type GroupMutation struct {
 	allow_messages_dispatch                 *bool
 	allow_live                              *bool
 	force_openai_fast                       *bool
+	free_openai_fast                        *bool
 	require_oauth_only                      *bool
 	require_privacy_set                     *bool
 	default_mapped_model                    *string
@@ -24982,6 +24983,42 @@ func (m *GroupMutation) ResetForceOpenaiFast() {
 	m.force_openai_fast = nil
 }
 
+// SetFreeOpenaiFast sets the "free_openai_fast" field.
+func (m *GroupMutation) SetFreeOpenaiFast(b bool) {
+	m.free_openai_fast = &b
+}
+
+// FreeOpenaiFast returns the value of the "free_openai_fast" field in the mutation.
+func (m *GroupMutation) FreeOpenaiFast() (r bool, exists bool) {
+	v := m.free_openai_fast
+	if v == nil {
+		return
+	}
+	return *v, true
+}
+
+// OldFreeOpenaiFast returns the old "free_openai_fast" field's value of the Group entity.
+// If the Group object wasn't provided to the builder, the object is fetched from the database.
+// An error is returned if the mutation operation is not UpdateOne, or the database query fails.
+func (m *GroupMutation) OldFreeOpenaiFast(ctx context.Context) (v bool, err error) {
+	if !m.op.Is(OpUpdateOne) {
+		return v, errors.New("OldFreeOpenaiFast is only allowed on UpdateOne operations")
+	}
+	if m.id == nil || m.oldValue == nil {
+		return v, errors.New("OldFreeOpenaiFast requires an ID field in the mutation")
+	}
+	oldValue, err := m.oldValue(ctx)
+	if err != nil {
+		return v, fmt.Errorf("querying old value for OldFreeOpenaiFast: %w", err)
+	}
+	return oldValue.FreeOpenaiFast, nil
+}
+
+// ResetFreeOpenaiFast resets all changes to the "free_openai_fast" field.
+func (m *GroupMutation) ResetFreeOpenaiFast() {
+	m.free_openai_fast = nil
+}
+
 // SetRequireOauthOnly sets the "require_oauth_only" field.
 func (m *GroupMutation) SetRequireOauthOnly(b bool) {
 	m.require_oauth_only = &b
@@ -25847,7 +25884,7 @@ func (m *GroupMutation) Type() string {
 // order to get all numeric fields that were incremented/decremented, call
 // AddedFields().
 func (m *GroupMutation) Fields() []string {
-	fields := make([]string, 0, 63)
+	fields := make([]string, 0, 64)
 	if m.created_at != nil {
 		fields = append(fields, group.FieldCreatedAt)
 	}
@@ -26004,6 +26041,9 @@ func (m *GroupMutation) Fields() []string {
 	if m.force_openai_fast != nil {
 		fields = append(fields, group.FieldForceOpenaiFast)
 	}
+	if m.free_openai_fast != nil {
+		fields = append(fields, group.FieldFreeOpenaiFast)
+	}
 	if m.require_oauth_only != nil {
 		fields = append(fields, group.FieldRequireOauthOnly)
 	}
@@ -26152,6 +26192,8 @@ func (m *GroupMutation) Field(name string) (ent.Value, bool) {
 		return m.AllowLive()
 	case group.FieldForceOpenaiFast:
 		return m.ForceOpenaiFast()
+	case group.FieldFreeOpenaiFast:
+		return m.FreeOpenaiFast()
 	case group.FieldRequireOauthOnly:
 		return m.RequireOauthOnly()
 	case group.FieldRequirePrivacySet:
@@ -26289,6 +26331,8 @@ func (m *GroupMutation) OldField(ctx context.Context, name string) (ent.Value, e
 		return m.OldAllowLive(ctx)
 	case group.FieldForceOpenaiFast:
 		return m.OldForceOpenaiFast(ctx)
+	case group.FieldFreeOpenaiFast:
+		return m.OldFreeOpenaiFast(ctx)
 	case group.FieldRequireOauthOnly:
 		return m.OldRequireOauthOnly(ctx)
 	case group.FieldRequirePrivacySet:
@@ -26686,6 +26730,13 @@ func (m *GroupMutation) SetField(name string, value ent.Value) error {
 		}
 		m.SetForceOpenaiFast(v)
 		return nil
+	case group.FieldFreeOpenaiFast:
+		v, ok := value.(bool)
+		if !ok {
+			return fmt.Errorf("unexpected type %T for field %s", value, name)
+		}
+		m.SetFreeOpenaiFast(v)
+		return nil
 	case group.FieldRequireOauthOnly:
 		v, ok := value.(bool)
 		if !ok {
@@ -27437,6 +27488,9 @@ func (m *GroupMutation) ResetField(name string) error {
 	case group.FieldForceOpenaiFast:
 		m.ResetForceOpenaiFast()
 		return nil
+	case group.FieldFreeOpenaiFast:
+		m.ResetFreeOpenaiFast()
+		return nil
 	case group.FieldRequireOauthOnly:
 		m.ResetRequireOauthOnly()
 		return nil

backend/ent/runtime/runtime.go

@@ -1161,34 +1161,38 @@ func init() {
 	groupDescForceOpenaiFast := groupFields[48].Descriptor()
 	// group.DefaultForceOpenaiFast holds the default value on creation for the force_openai_fast field.
 	group.DefaultForceOpenaiFast = groupDescForceOpenaiFast.Default.(bool)
+	// groupDescFreeOpenaiFast is the schema descriptor for free_openai_fast field.
+	groupDescFreeOpenaiFast := groupFields[49].Descriptor()
+	// group.DefaultFreeOpenaiFast holds the default value on creation for the free_openai_fast field.
+	group.DefaultFreeOpenaiFast = groupDescFreeOpenaiFast.Default.(bool)
 	// groupDescRequireOauthOnly is the schema descriptor for require_oauth_only field.
-	groupDescRequireOauthOnly := groupFields[49].Descriptor()
+	groupDescRequireOauthOnly := groupFields[50].Descriptor()
 	// group.DefaultRequireOauthOnly holds the default value on creation for the require_oauth_only field.
 	group.DefaultRequireOauthOnly = groupDescRequireOauthOnly.Default.(bool)
 	// groupDescRequirePrivacySet is the schema descriptor for require_privacy_set field.
-	groupDescRequirePrivacySet := groupFields[50].Descriptor()
+	groupDescRequirePrivacySet := groupFields[51].Descriptor()
 	// group.DefaultRequirePrivacySet holds the default value on creation for the require_privacy_set field.
 	group.DefaultRequirePrivacySet = groupDescRequirePrivacySet.Default.(bool)
 	// groupDescDefaultMappedModel is the schema descriptor for default_mapped_model field.
-	groupDescDefaultMappedModel := groupFields[51].Descriptor()
+	groupDescDefaultMappedModel := groupFields[52].Descriptor()
 	// group.DefaultDefaultMappedModel holds the default value on creation for the default_mapped_model field.
 	group.DefaultDefaultMappedModel = groupDescDefaultMappedModel.Default.(string)
 	// group.DefaultMappedModelValidator is a validator for the "default_mapped_model" field. It is called by the builders before save.
 	group.DefaultMappedModelValidator = groupDescDefaultMappedModel.Validators[0].(func(string) error)
 	// groupDescMessagesDispatchModelConfig is the schema descriptor for messages_dispatch_model_config field.
-	groupDescMessagesDispatchModelConfig := groupFields[52].Descriptor()
+	groupDescMessagesDispatchModelConfig := groupFields[53].Descriptor()
 	// group.DefaultMessagesDispatchModelConfig holds the default value on creation for the messages_dispatch_model_config field.
 	group.DefaultMessagesDispatchModelConfig = groupDescMessagesDispatchModelConfig.Default.(domain.OpenAIMessagesDispatchModelConfig)
 	// groupDescModelsListConfig is the schema descriptor for models_list_config field.
-	groupDescModelsListConfig := groupFields[53].Descriptor()
+	groupDescModelsListConfig := groupFields[54].Descriptor()
 	// group.DefaultModelsListConfig holds the default value on creation for the models_list_config field.
 	group.DefaultModelsListConfig = groupDescModelsListConfig.Default.(domain.GroupModelsListConfig)
 	// groupDescRpmLimit is the schema descriptor for rpm_limit field.
-	groupDescRpmLimit := groupFields[54].Descriptor()
+	groupDescRpmLimit := groupFields[55].Descriptor()
 	// group.DefaultRpmLimit holds the default value on creation for the rpm_limit field.
 	group.DefaultRpmLimit = groupDescRpmLimit.Default.(int)
 	// groupDescMaxReasoningEffort is the schema descriptor for max_reasoning_effort field.
-	groupDescMaxReasoningEffort := groupFields[55].Descriptor()
+	groupDescMaxReasoningEffort := groupFields[56].Descriptor()
 	// group.DefaultMaxReasoningEffort holds the default value on creation for the max_reasoning_effort field.
 	group.DefaultMaxReasoningEffort = groupDescMaxReasoningEffort.Default.(string)
 	// group.MaxReasoningEffortValidator is a validator for the "max_reasoning_effort" field. It is called by the builders before save.
@@ -1200,19 +1204,19 @@ func init() {
 	// group.MaxReasoningEffortOverLimitValidator is a validator for the "max_reasoning_effort_over_limit" field. It is called by the builders before save.
 	group.MaxReasoningEffortOverLimitValidator = groupDescMaxReasoningEffortOverLimit.Validators[0].(func(string) error)
 	// groupDescReasoningEffortMappings is the schema descriptor for reasoning_effort_mappings field.
-	groupDescReasoningEffortMappings := groupFields[56].Descriptor()
+	groupDescReasoningEffortMappings := groupFields[57].Descriptor()
 	// group.DefaultReasoningEffortMappings holds the default value on creation for the reasoning_effort_mappings field.
 	group.DefaultReasoningEffortMappings = groupDescReasoningEffortMappings.Default.([]domain.ReasoningEffortMapping)
 	// groupDescProfitControlEnabled is the schema descriptor for profit_control_enabled field.
-	groupDescProfitControlEnabled := groupFields[57].Descriptor()
+	groupDescProfitControlEnabled := groupFields[58].Descriptor()
 	// group.DefaultProfitControlEnabled holds the default value on creation for the profit_control_enabled field.
 	group.DefaultProfitControlEnabled = groupDescProfitControlEnabled.Default.(bool)
 	// groupDescProfitMinMargin is the schema descriptor for profit_min_margin field.
-	groupDescProfitMinMargin := groupFields[58].Descriptor()
+	groupDescProfitMinMargin := groupFields[59].Descriptor()
 	// group.DefaultProfitMinMargin holds the default value on creation for the profit_min_margin field.
 	group.DefaultProfitMinMargin = groupDescProfitMinMargin.Default.(float64)
 	// groupDescProfitSafetyBuffer is the schema descriptor for profit_safety_buffer field.
-	groupDescProfitSafetyBuffer := groupFields[59].Descriptor()
+	groupDescProfitSafetyBuffer := groupFields[60].Descriptor()
 	// group.DefaultProfitSafetyBuffer holds the default value on creation for the profit_safety_buffer field.
 	group.DefaultProfitSafetyBuffer = groupDescProfitSafetyBuffer.Default.(float64)
 	idempotencyrecordMixin := schema.IdempotencyRecord{}.Mixin()

backend/ent/schema/group.go

@@ -245,6 +245,9 @@ func (Group) Fields() []ent.Field {
 		field.Bool("force_openai_fast").
 			Default(false).
 			Comment("是否强制此 OpenAI/Composite 分组请求使用 service_tier=priority"),
+		field.Bool("free_openai_fast").
+			Default(false).
+			Comment("是否让此 OpenAI/Composite 分组的 Fast 请求按 Standard 价格计费"),
 		field.Bool("require_oauth_only").
 			Default(false).
 			Comment("仅允许非 apikey 类型账号关联到此分组"),

backend/internal/handler/admin/group_handler.go

@@ -148,6 +148,7 @@ type CreateGroupRequest struct {
 	AllowMessagesDispatch       bool                                      `json:"allow_messages_dispatch"`
 	AllowLive                   bool                                      `json:"allow_live"`
 	ForceOpenAIFast             bool                                      `json:"force_openai_fast"`
+	FreeOpenAIFast              bool                                      `json:"free_openai_fast"`
 	RequireOAuthOnly            bool                                      `json:"require_oauth_only"`
 	RequirePrivacySet           bool                                      `json:"require_privacy_set"`
 	DefaultMappedModel          string                                    `json:"default_mapped_model"`
@@ -220,6 +221,7 @@ type UpdateGroupRequest struct {
 	AllowMessagesDispatch       *bool                                      `json:"allow_messages_dispatch"`
 	AllowLive                   *bool                                      `json:"allow_live"`
 	ForceOpenAIFast             *bool                                      `json:"force_openai_fast"`
+	FreeOpenAIFast              *bool                                      `json:"free_openai_fast"`
 	RequireOAuthOnly            *bool                                      `json:"require_oauth_only"`
 	RequirePrivacySet           *bool                                      `json:"require_privacy_set"`
 	DefaultMappedModel          *string                                    `json:"default_mapped_model"`
@@ -557,6 +559,7 @@ func (h *GroupHandler) Create(c *gin.Context) {
 		AllowMessagesDispatch:           req.AllowMessagesDispatch,
 		AllowLive:                       req.AllowLive,
 		ForceOpenAIFast:                 req.ForceOpenAIFast,
+		FreeOpenAIFast:                  req.FreeOpenAIFast,
 		RequireOAuthOnly:                req.RequireOAuthOnly,
 		RequirePrivacySet:               req.RequirePrivacySet,
 		DefaultMappedModel:              req.DefaultMappedModel,
@@ -688,6 +691,7 @@ func (h *GroupHandler) Update(c *gin.Context) {
 		AllowMessagesDispatch:           req.AllowMessagesDispatch,
 		AllowLive:                       req.AllowLive,
 		ForceOpenAIFast:                 req.ForceOpenAIFast,
+		FreeOpenAIFast:                  req.FreeOpenAIFast,
 		RequireOAuthOnly:                req.RequireOAuthOnly,
 		RequirePrivacySet:               req.RequirePrivacySet,
 		DefaultMappedModel:              req.DefaultMappedModel,

backend/internal/handler/admin/group_handler_openai_fast_test.go

@@ -9,15 +9,19 @@ import (
 
 func TestGroupRequestsDecodeForceOpenAIFast(t *testing.T) {
 	var createReq CreateGroupRequest
-	require.NoError(t, json.Unmarshal([]byte(`{"name":"fast","force_openai_fast":true}`), &createReq))
+	require.NoError(t, json.Unmarshal([]byte(`{"name":"fast","force_openai_fast":true,"free_openai_fast":true}`), &createReq))
 	require.True(t, createReq.ForceOpenAIFast)
+	require.True(t, createReq.FreeOpenAIFast)
 
 	var updateReq UpdateGroupRequest
-	require.NoError(t, json.Unmarshal([]byte(`{"force_openai_fast":false}`), &updateReq))
+	require.NoError(t, json.Unmarshal([]byte(`{"force_openai_fast":false,"free_openai_fast":false}`), &updateReq))
 	require.NotNil(t, updateReq.ForceOpenAIFast)
 	require.False(t, *updateReq.ForceOpenAIFast)
+	require.NotNil(t, updateReq.FreeOpenAIFast)
+	require.False(t, *updateReq.FreeOpenAIFast)
 
 	var omitted UpdateGroupRequest
 	require.NoError(t, json.Unmarshal([]byte(`{}`), &omitted))
 	require.Nil(t, omitted.ForceOpenAIFast)
+	require.Nil(t, omitted.FreeOpenAIFast)
 }

backend/internal/handler/dto/group_mapper_openai_fast_test.go

@@ -10,14 +10,16 @@ import (
 
 func TestGroupMapperExposesForceOpenAIFastOnlyToAdmins(t *testing.T) {
 	group := &service.Group{
-		ID: 7, Name: "fast", Platform: service.PlatformOpenAI, Status: service.StatusActive, ForceOpenAIFast: true,
+		ID: 7, Name: "fast", Platform: service.PlatformOpenAI, Status: service.StatusActive, ForceOpenAIFast: true, FreeOpenAIFast: true,
 	}
 
 	userJSON, err := json.Marshal(GroupFromService(group))
 	require.NoError(t, err)
 	require.NotContains(t, string(userJSON), "force_openai_fast")
+	require.NotContains(t, string(userJSON), "free_openai_fast")
 
 	adminJSON, err := json.Marshal(GroupFromServiceAdmin(group))
 	require.NoError(t, err)
 	require.Contains(t, string(adminJSON), `"force_openai_fast":true`)
+	require.Contains(t, string(adminJSON), `"free_openai_fast":true`)
 }

backend/internal/handler/dto/mappers.go

@@ -149,6 +149,7 @@ func GroupFromServiceAdmin(g *service.Group) *AdminGroup {
 	out := &AdminGroup{
 		Group:                       groupFromServiceBase(g),
 		ForceOpenAIFast:             g.ForceOpenAIFast,
+		FreeOpenAIFast:              g.FreeOpenAIFast,
 		ProfitControlEnabled:        g.ProfitControlEnabled,
 		ProfitMinMargin:             g.ProfitMinMargin,
 		ProfitSafetyBuffer:          g.ProfitSafetyBuffer,

backend/internal/handler/dto/types.go

@@ -168,6 +168,8 @@ type AdminGroup struct {
 	Group
 	// ForceOpenAIFast 是管理端请求策略，用户侧分组 DTO 无需暴露。
 	ForceOpenAIFast bool `json:"force_openai_fast"`
+	// FreeOpenAIFast 是管理端计费策略，用户侧分组 DTO 无需暴露。
+	FreeOpenAIFast bool `json:"free_openai_fast"`
 
 	// 分组利润控制（五个 token 平台分组可启用；margin/buffer 为小数存储）。
 	// 仅管理员可见：这三个字段与同响应中的 rate_multiplier 相乘即可反推出

backend/internal/repository/api_key_repo.go

@@ -211,6 +211,7 @@ func (r *apiKeyRepository) GetByKeyForAuth(ctx context.Context, key string) (*se
 				group.FieldAllowMessagesDispatch,
 				group.FieldAllowLive,
 				group.FieldForceOpenaiFast,
+				group.FieldFreeOpenaiFast,
 				group.FieldDefaultMappedModel,
 				group.FieldMessagesDispatchModelConfig,
 				group.FieldModelsListConfig,
@@ -1010,6 +1011,7 @@ func groupEntityToService(g *dbent.Group) *service.Group {
 		AllowMessagesDispatch:           g.AllowMessagesDispatch,
 		AllowLive:                       g.AllowLive,
 		ForceOpenAIFast:                 g.ForceOpenaiFast,
+		FreeOpenAIFast:                  g.FreeOpenaiFast,
 		RequireOAuthOnly:                g.RequireOauthOnly,
 		RequirePrivacySet:               g.RequirePrivacySet,
 		DefaultMappedModel:              g.DefaultMappedModel,

backend/internal/repository/api_key_repo_openai_fast_projection_integration_test.go

@@ -17,7 +17,7 @@ func TestGetByKeyForAuthCarriesGroupForceOpenAIFast(t *testing.T) {
 	suffix := time.Now().UnixNano()
 	group := mustCreateGroup(t, integrationEntClient, &service.Group{
 		Name: fmt.Sprintf("fast-proj-group-%d", suffix), Platform: service.PlatformOpenAI,
-		RateMultiplier: 1, ForceOpenAIFast: true,
+		RateMultiplier: 1, ForceOpenAIFast: true, FreeOpenAIFast: true,
 	})
 	user := mustCreateUser(t, integrationEntClient, &service.User{
 		Email: fmt.Sprintf("fast-proj-%d@example.com", suffix), Concurrency: 5,
@@ -42,4 +42,5 @@ func TestGetByKeyForAuthCarriesGroupForceOpenAIFast(t *testing.T) {
 	require.NoError(t, err)
 	require.NotNil(t, got.Group)
 	require.True(t, got.Group.ForceOpenAIFast)
+	require.True(t, got.Group.FreeOpenAIFast)
 }

backend/internal/repository/fixtures_integration_test.go

@@ -91,6 +91,7 @@ func mustCreateGroup(t *testing.T, client *dbent.Client, g *service.Group) *serv
 		SetRateMultiplier(g.RateMultiplier).
 		SetIsExclusive(g.IsExclusive).
 		SetForceOpenaiFast(g.ForceOpenAIFast).
+		SetFreeOpenaiFast(g.FreeOpenAIFast).
 		SetProfitControlEnabled(g.ProfitControlEnabled).
 		SetProfitMinMargin(g.ProfitMinMargin).
 		SetProfitSafetyBuffer(g.ProfitSafetyBuffer)

backend/internal/repository/group_repo.go

@@ -104,6 +104,7 @@ func createGroupRecord(ctx context.Context, client *dbent.Client, groupIn *servi
 		SetAllowMessagesDispatch(groupIn.AllowMessagesDispatch).
 		SetAllowLive(groupIn.AllowLive).
 		SetForceOpenaiFast(groupIn.ForceOpenAIFast).
+		SetFreeOpenaiFast(groupIn.FreeOpenAIFast).
 		SetRequireOauthOnly(groupIn.RequireOAuthOnly).
 		SetRequirePrivacySet(groupIn.RequirePrivacySet).
 		SetDefaultMappedModel(groupIn.DefaultMappedModel).
@@ -282,6 +283,7 @@ func (r *groupRepository) Update(ctx context.Context, groupIn *service.Group) er
 		SetAllowMessagesDispatch(groupIn.AllowMessagesDispatch).
 		SetAllowLive(groupIn.AllowLive).
 		SetForceOpenaiFast(groupIn.ForceOpenAIFast).
+		SetFreeOpenaiFast(groupIn.FreeOpenAIFast).
 		SetRequireOauthOnly(groupIn.RequireOAuthOnly).
 		SetRequirePrivacySet(groupIn.RequirePrivacySet).
 		SetDefaultMappedModel(groupIn.DefaultMappedModel).

backend/internal/repository/migrations_schema_integration_test.go

@@ -58,6 +58,7 @@ func TestMigrationsRunner_IsIdempotent_AndSchemaIsUpToDate(t *testing.T) {
 	// groups: OpenAI Live 与 Fast 强制策略都默认关闭，管理员显式开启后才生效。
 	requireColumn(t, tx, "groups", "allow_live", "boolean", 0, false)
 	requireColumn(t, tx, "groups", "force_openai_fast", "boolean", 0, false)
+	requireColumn(t, tx, "groups", "free_openai_fast", "boolean", 0, false)
 
 	// api_keys: key length should be 128
 	requireColumn(t, tx, "api_keys", "key", "character varying", 128, false)

backend/internal/service/admin_group.go

@@ -303,6 +303,7 @@ func sanitizeGroupOpenAIFast(group *Group) {
 	if group == nil || !groupSupportsOpenAIFast(group.Platform) {
 		if group != nil {
 			group.ForceOpenAIFast = false
+			group.FreeOpenAIFast = false
 		}
 	}
 }
@@ -517,6 +518,7 @@ func (s *adminServiceImpl) CreateGroup(ctx context.Context, input *CreateGroupIn
 		AllowMessagesDispatch:           input.AllowMessagesDispatch,
 		AllowLive:                       input.AllowLive,
 		ForceOpenAIFast:                 input.ForceOpenAIFast,
+		FreeOpenAIFast:                  input.FreeOpenAIFast,
 		RequireOAuthOnly:                input.RequireOAuthOnly,
 		RequirePrivacySet:               input.RequirePrivacySet,
 		DefaultMappedModel:              input.DefaultMappedModel,
@@ -884,6 +886,9 @@ func (s *adminServiceImpl) UpdateGroup(ctx context.Context, id int64, input *Upd
 	if input.ForceOpenAIFast != nil {
 		group.ForceOpenAIFast = *input.ForceOpenAIFast
 	}
+	if input.FreeOpenAIFast != nil {
+		group.FreeOpenAIFast = *input.FreeOpenAIFast
+	}
 	if input.RequireOAuthOnly != nil {
 		group.RequireOAuthOnly = *input.RequireOAuthOnly
 	}

backend/internal/service/admin_group_duplicate.go

@@ -145,6 +145,7 @@ func cloneGroupForDuplicate(source *Group, operationID string) *Group {
 		AllowMessagesDispatch:           source.AllowMessagesDispatch,
 		AllowLive:                       source.AllowLive,
 		ForceOpenAIFast:                 source.ForceOpenAIFast,
+		FreeOpenAIFast:                  source.FreeOpenAIFast,
 		RequireOAuthOnly:                source.RequireOAuthOnly,
 		RequirePrivacySet:               source.RequirePrivacySet,
 		DefaultMappedModel:              source.DefaultMappedModel,

backend/internal/service/admin_group_duplicate_test.go

@@ -167,6 +167,7 @@ func TestDuplicateGroupCopiesConfigurationDeeplyAndResetsRuntimeState(t *testing
 		AllowMessagesDispatch:           true,
 		AllowLive:                       true,
 		ForceOpenAIFast:                 true,
+		FreeOpenAIFast:                  true,
 		RequireOAuthOnly:                true,
 		RequirePrivacySet:               true,
 		DefaultMappedModel:              "gpt-5.4",
@@ -215,6 +216,7 @@ func TestDuplicateGroupCopiesConfigurationDeeplyAndResetsRuntimeState(t *testing
 	require.Equal(t, source.ModelRouting, duplicate.ModelRouting)
 	require.Equal(t, source.MessagesDispatchModelConfig, duplicate.MessagesDispatchModelConfig)
 	require.Equal(t, source.ForceOpenAIFast, duplicate.ForceOpenAIFast)
+	require.Equal(t, source.FreeOpenAIFast, duplicate.FreeOpenAIFast)
 	require.Equal(t, source.ModelsListConfig, duplicate.ModelsListConfig)
 	require.Equal(t, source.RPMLimit, duplicate.RPMLimit)
 	require.Equal(t, source.MaxReasoningEffort, duplicate.MaxReasoningEffort)

backend/internal/service/admin_service.go

@@ -267,6 +267,7 @@ type CreateGroupInput struct {
 	AllowMessagesDispatch       bool
 	AllowLive                   bool
 	ForceOpenAIFast             bool
+	FreeOpenAIFast              bool
 	DefaultMappedModel          string
 	RequireOAuthOnly            bool
 	RequirePrivacySet           bool
@@ -345,6 +346,7 @@ type UpdateGroupInput struct {
 	AllowMessagesDispatch       *bool
 	AllowLive                   *bool
 	ForceOpenAIFast             *bool
+	FreeOpenAIFast              *bool
 	DefaultMappedModel          *string
 	RequireOAuthOnly            *bool
 	RequirePrivacySet           *bool

backend/internal/service/admin_service_group_test.go

@@ -1099,19 +1099,20 @@ func TestAdminService_CreateGroup_NormalizesForceOpenAIFastByPlatform(t *testing
 			svc := &adminServiceImpl{groupRepo: repo}
 
 			group, err := svc.CreateGroup(context.Background(), &CreateGroupInput{
-				Name: "fast-" + tt.name, Platform: tt.platform, RateMultiplier: 1, ForceOpenAIFast: true,
+				Name: "fast-" + tt.name, Platform: tt.platform, RateMultiplier: 1, ForceOpenAIFast: true, FreeOpenAIFast: true,
 			})
 
 			require.NoError(t, err)
 			require.NotNil(t, group)
 			require.Equal(t, tt.want, repo.created.ForceOpenAIFast)
+			require.Equal(t, tt.want, repo.created.FreeOpenAIFast)
 		})
 	}
 }
 
 func TestAdminService_UpdateGroup_ClearsForceOpenAIFastWhenPlatformChanges(t *testing.T) {
 	existingGroup := &Group{
-		ID: 1, Name: "existing-fast", Platform: PlatformOpenAI, Status: StatusActive, ForceOpenAIFast: true,
+		ID: 1, Name: "existing-fast", Platform: PlatformOpenAI, Status: StatusActive, ForceOpenAIFast: true, FreeOpenAIFast: true,
 	}
 	repo := &groupRepoStubForAdmin{getByID: existingGroup}
 	svc := &adminServiceImpl{groupRepo: repo}
@@ -1123,6 +1124,7 @@ func TestAdminService_UpdateGroup_ClearsForceOpenAIFastWhenPlatformChanges(t *te
 	require.NoError(t, err)
 	require.NotNil(t, group)
 	require.False(t, repo.updated.ForceOpenAIFast)
+	require.False(t, repo.updated.FreeOpenAIFast)
 }
 
 func TestAdminService_UpdateGroup_ForceOpenAIFastInvalidatesAuthCache(t *testing.T) {
@@ -1136,11 +1138,13 @@ func TestAdminService_UpdateGroup_ForceOpenAIFastInvalidatesAuthCache(t *testing
 
 	group, err := svc.UpdateGroup(context.Background(), existingGroup.ID, &UpdateGroupInput{
 		ForceOpenAIFast: &enabled,
+		FreeOpenAIFast:  &enabled,
 	})
 
 	require.NoError(t, err)
 	require.NotNil(t, group)
 	require.True(t, repo.updated.ForceOpenAIFast)
+	require.True(t, repo.updated.FreeOpenAIFast)
 	require.Equal(t, []int64{existingGroup.ID}, invalidator.groupIDs)
 }
 

backend/internal/service/api_key_auth_cache.go

@@ -104,6 +104,7 @@ type APIKeyAuthGroupSnapshot struct {
 	AllowMessagesDispatch       bool                              `json:"allow_messages_dispatch"`
 	AllowLive                   bool                              `json:"allow_live"`
 	ForceOpenAIFast             bool                              `json:"force_openai_fast"`
+	FreeOpenAIFast              bool                              `json:"free_openai_fast"`
 	DefaultMappedModel          string                            `json:"default_mapped_model,omitempty"`
 	MessagesDispatchModelConfig OpenAIMessagesDispatchModelConfig `json:"messages_dispatch_model_config,omitempty"`
 	ModelsListConfig            GroupModelsListConfig             `json:"models_list_config,omitempty"`

backend/internal/service/api_key_auth_cache_impl.go

@@ -14,7 +14,7 @@ import (
 	"github.com/dgraph-io/ristretto"
 )
 
-const apiKeyAuthSnapshotVersion = 21 // v21: group force_openai_fast field
+const apiKeyAuthSnapshotVersion = 22 // v22: group free_openai_fast field
 
 type apiKeyAuthCacheConfig struct {
 	l1Size        int
@@ -419,6 +419,7 @@ func (s *APIKeyService) snapshotFromAPIKey(ctx context.Context, apiKey *APIKey)
 			AllowMessagesDispatch:           apiKey.Group.AllowMessagesDispatch,
 			AllowLive:                       apiKey.Group.AllowLive,
 			ForceOpenAIFast:                 apiKey.Group.ForceOpenAIFast,
+			FreeOpenAIFast:                  apiKey.Group.FreeOpenAIFast,
 			DefaultMappedModel:              apiKey.Group.DefaultMappedModel,
 			MessagesDispatchModelConfig:     apiKey.Group.MessagesDispatchModelConfig,
 			ModelsListConfig:                apiKey.Group.ModelsListConfig,
@@ -519,6 +520,7 @@ func (s *APIKeyService) snapshotToAPIKey(key string, snapshot *APIKeyAuthSnapsho
 			AllowMessagesDispatch:           snapshot.Group.AllowMessagesDispatch,
 			AllowLive:                       snapshot.Group.AllowLive,
 			ForceOpenAIFast:                 snapshot.Group.ForceOpenAIFast,
+			FreeOpenAIFast:                  snapshot.Group.FreeOpenAIFast,
 			DefaultMappedModel:              snapshot.Group.DefaultMappedModel,
 			MessagesDispatchModelConfig:     snapshot.Group.MessagesDispatchModelConfig,
 			ModelsListConfig:                snapshot.Group.ModelsListConfig,

backend/internal/service/api_key_auth_cache_openai_fast_test.go

@@ -15,7 +15,7 @@ func TestAPIKeyAuthSnapshotGroupForceOpenAIFastRoundtrip(t *testing.T) {
 		User: &User{ID: 40, Status: StatusActive},
 		Group: &Group{
 			ID: groupID, Name: "fast-roundtrip", Platform: PlatformOpenAI, Status: StatusActive,
-			Hydrated: true, ForceOpenAIFast: true,
+			Hydrated: true, ForceOpenAIFast: true, FreeOpenAIFast: true,
 		},
 	}
 	svc := &APIKeyService{}
@@ -31,5 +31,6 @@ func TestAPIKeyAuthSnapshotGroupForceOpenAIFastRoundtrip(t *testing.T) {
 	require.NotNil(t, materialized.Group)
 	require.True(t, materialized.Group.Hydrated)
 	require.True(t, materialized.Group.ForceOpenAIFast)
-	require.Equal(t, 21, cached.Snapshot.Version)
+	require.True(t, materialized.Group.FreeOpenAIFast)
+	require.Equal(t, 22, cached.Snapshot.Version)
 }

backend/internal/service/api_key_auth_cache_profit_test.go

@@ -53,7 +53,7 @@ func TestAPIKeyAuthSnapshotProfitControlRoundtrip(t *testing.T) {
 	snapshot := svc.snapshotFromAPIKey(context.Background(), apiKey)
 	require.NotNil(t, snapshot)
 	require.Equal(t, apiKeyAuthSnapshotVersion, snapshot.Version)
-	require.Equal(t, 21, snapshot.Version, "v21 起认证快照携带分组 Fast 强制开关")
+	require.Equal(t, 22, snapshot.Version, "v22 起认证快照携带分组免费 Fast 开关")
 
 	// 模拟 L2 缓存的完整 JSON 往返（与 apiKeyCache.SetAuthCache/GetAuthCache 同构）。
 	payload, err := json.Marshal(&APIKeyAuthCacheEntry{Snapshot: snapshot})

backend/internal/service/group.go

@@ -101,6 +101,7 @@ type Group struct {
 	AllowMessagesDispatch       bool
 	AllowLive                   bool
 	ForceOpenAIFast             bool // 强制 OpenAI 网关请求使用 service_tier=priority
+	FreeOpenAIFast              bool // OpenAI Fast 请求按 Standard 价格向用户计费
 	RequireOAuthOnly            bool // 仅允许非 apikey 类型账号关联（OpenAI/Antigravity/Anthropic/Gemini）
 	RequirePrivacySet           bool // 调度时仅允许 privacy 已成功设置的账号（OpenAI/Antigravity/Anthropic/Gemini）
 	DefaultMappedModel          string

backend/internal/service/openai_gateway_record_usage_test.go

@@ -3081,6 +3081,77 @@ func TestOpenAIGatewayServiceRecordUsage_ShadowUsesParentCredentialTierContract(
 	require.InDelta(t, fastCost.TotalCost, usageRepo.lastLog.TotalCost, 1e-10)
 }
 
+func TestOpenAIGatewayServiceRecordUsage_FreeOpenAIFastChargesStandard(t *testing.T) {
+	usageRepo := &openAIRecordUsageLogRepoStub{inserted: true}
+	svc := newOpenAIRecordUsageServiceForTest(
+		usageRepo,
+		&openAIRecordUsageUserRepoStub{},
+		&openAIRecordUsageSubRepoStub{},
+		nil,
+	)
+	svc.resolver = NewModelPricingResolver(nil, svc.billingService)
+	groupID := int64(77)
+	serviceTier := "priority"
+	tokens := UsageTokens{InputTokens: 100, OutputTokens: 50}
+	inputPrice := 0.001
+	outputPrice := 0.002
+	fastMultiplier := 3.0
+	apiKey := &APIKey{
+		ID:      1020,
+		GroupID: &groupID,
+		Group: &Group{
+			ID: groupID, Platform: PlatformOpenAI, Status: StatusActive,
+			Hydrated: true, RateMultiplier: 0.5, FreeOpenAIFast: true,
+			ModelPricing: []ChannelModelPricing{{
+				Models:         []string{"gpt-5.6-sol"},
+				BillingMode:    BillingModeToken,
+				InputPrice:     &inputPrice,
+				OutputPrice:    &outputPrice,
+				FastMultiplier: &fastMultiplier,
+			}},
+		},
+	}
+
+	err := svc.RecordUsage(context.Background(), &OpenAIRecordUsageInput{
+		Result: &OpenAIForwardResult{
+			RequestID:                   "resp_free_fast",
+			ServiceTier:                 &serviceTier,
+			UpstreamResponseServiceTier: "default",
+			Usage:                       OpenAIUsage{InputTokens: tokens.InputTokens, OutputTokens: tokens.OutputTokens},
+			Model:                       "gpt-5.6-sol",
+			Duration:                    time.Second,
+		},
+		APIKey:  apiKey,
+		User:    &User{ID: 2020},
+		Account: &Account{ID: 3020, Platform: PlatformOpenAI, Type: AccountTypeOAuth},
+	})
+
+	require.NoError(t, err)
+	require.NotNil(t, usageRepo.lastLog)
+	require.NotNil(t, usageRepo.lastLog.ServiceTier)
+	require.Equal(t, "priority", *usageRepo.lastLog.ServiceTier)
+	require.InDelta(t, 0.5, usageRepo.lastLog.RateMultiplier, 1e-12)
+
+	standardTotal := float64(tokens.InputTokens)*inputPrice + float64(tokens.OutputTokens)*outputPrice
+	require.InDelta(t, standardTotal*fastMultiplier, usageRepo.lastLog.TotalCost, 1e-10)
+	require.InDelta(t, standardTotal*0.5, usageRepo.lastLog.ActualCost, 1e-10)
+}
+
+func TestGroupBillsOpenAIFastAtStandardRequiresOpenAIAccount(t *testing.T) {
+	apiKey := &APIKey{Group: &Group{Platform: PlatformComposite, FreeOpenAIFast: true}}
+
+	require.True(t, groupBillsOpenAIFastAtStandard(
+		apiKey,
+		&Account{Platform: PlatformOpenAI, Type: AccountTypeOAuth},
+		"priority",
+	))
+	require.False(t, groupBillsOpenAIFastAtStandard(
+		apiKey,
+		&Account{Platform: PlatformGrok, Type: AccountTypeAPIKey},
+		"priority",
+	))
+}
+
 func TestOpenAIGatewayServiceRecordUsage_ServiceTierNeverRaisedByUpstreamResponse(t *testing.T) {
 	usageRepo := &openAIRecordUsageLogRepoStub{inserted: true}
 	userRepo := &openAIRecordUsageUserRepoStub{}

backend/internal/service/openai_gateway_usage.go

@@ -132,6 +132,24 @@ func openAIUsagePricingAt(input *OpenAIRecordUsageInput) time.Time {
 	return timezone.Now()
 }
 
+func groupBillsOpenAIFastAtStandard(apiKey *APIKey, account *Account, serviceTier string) bool {
+	if apiKey == nil || apiKey.Group == nil || !apiKey.Group.FreeOpenAIFast {
+		return false
+	}
+	if account == nil || !account.IsOpenAI() {
+		return false
+	}
+	if !groupSupportsOpenAIFast(apiKey.Group.Platform) {
+		return false
+	}
+	switch normalizeBillingServiceTier(serviceTier) {
+	case "priority", "fast":
+		return true
+	default:
+		return false
+	}
+}
+
 // RecordUsage records usage and deducts balance
 func (s *OpenAIGatewayService) RecordUsage(ctx context.Context, input *OpenAIRecordUsageInput) error {
 	if input == nil {
@@ -277,6 +295,32 @@ func (s *OpenAIGatewayService) RecordUsage(ctx context.Context, input *OpenAIRec
 		}
 	}
 
+	// Free Fast changes only the customer charge. Keep priority TotalCost and
+	// service_tier for upstream accounting, but evaluate ActualCost once more at
+	// the Standard tier using the same channel, peak, and long-context policy.
+	if groupBillsOpenAIFastAtStandard(apiKey, billingAccount, serviceTier) {
+		standardCost, standardErr := s.calculateOpenAIRecordUsageCost(
+			ctx,
+			result,
+			apiKey,
+			billingModels,
+			multiplier,
+			imageMultiplier,
+			videoMultiplier,
+			baseMultiplier,
+			tokens,
+			"",
+			longContextBillingGate,
+			pricingAt,
+		)
+		if standardErr != nil {
+			return standardErr
+		}
+		if cost != nil && standardCost != nil {
+			cost.ActualCost = standardCost.ActualCost
+		}
+	}
+
 	// Determine billing type
 	isSubscriptionBilling := subscription != nil && apiKey.Group != nil && apiKey.Group.IsSubscriptionType()
 	billingType := BillingTypeBalance

backend/migrations/233_group_free_openai_fast.sql

@@ -0,0 +1,5 @@
+ALTER TABLE groups
+    ADD COLUMN IF NOT EXISTS free_openai_fast BOOLEAN NOT NULL DEFAULT FALSE;
+
+COMMENT ON COLUMN groups.free_openai_fast IS
+    'Whether Fast/priority requests in this OpenAI/Composite group are billed to users at Standard price';

backend/migrations/group_free_openai_fast_migration_test.go

@@ -0,0 +1,18 @@
+package migrations
+
+import (
+	"strings"
+	"testing"
+
+	"github.com/stretchr/testify/require"
+)
+
+func TestGroupFreeOpenAIFastMigration(t *testing.T) {
+	content, err := FS.ReadFile("233_group_free_openai_fast.sql")
+	require.NoError(t, err)
+
+	sql := strings.Join(strings.Fields(string(content)), " ")
+	require.Contains(t, sql,
+		"ADD COLUMN IF NOT EXISTS free_openai_fast BOOLEAN NOT NULL DEFAULT FALSE")
+	require.Contains(t, sql, "COMMENT ON COLUMN groups.free_openai_fast")
+}

frontend/src/i18n/locales/en/admin/overview.ts

@@ -1158,7 +1158,9 @@ export default {
       openaiFast: {
         title: 'OpenAI Fast mode',
         force: 'Force Fast (priority)',
-        hint: 'Forces service_tier=priority on OpenAI requests in this group. The global Fast/Flex policy can still filter or block it. New requests update immediately after saving; existing WebSocket sessions must reconnect.'
+        hint: 'Forces service_tier=priority on OpenAI requests in this group. The global Fast/Flex policy can still filter or block it. New requests update immediately after saving; existing WebSocket sessions must reconnect.',
+        free: 'Free Fast',
+        freeHint: 'Fast requests in this group still use the priority tier, but customers are charged the equivalent Standard price.'
       },
       invalidRequestFallback: {
         title: 'Invalid Request Fallback Group',

frontend/src/i18n/locales/zh/admin/overview.ts

@@ -1156,7 +1156,9 @@ export default {
       openaiFast: {
         title: 'OpenAI Fast 模式',
         force: '强制使用 Fast（priority）',
-        hint: '开启后，此分组的 OpenAI 请求会强制写入 service_tier=priority；全局 Fast/Flex 策略仍可过滤或拦截。保存后新请求立即生效，已建立的 WebSocket 会话需重连。'
+        hint: '开启后，此分组的 OpenAI 请求会强制写入 service_tier=priority；全局 Fast/Flex 策略仍可过滤或拦截。保存后新请求立即生效，已建立的 WebSocket 会话需重连。',
+        free: '免费 Fast',
+        freeHint: '该分组的 Fast 请求仍使用 priority 档位，但客户实际费用按同一请求的 Standard 价格计算。'
       },
       invalidRequestFallback: {
         title: '无效请求兜底分组',

frontend/src/types/index.ts

@@ -613,6 +613,7 @@ export interface Group {
 
 export interface AdminGroup extends Group {
   force_openai_fast: boolean
+  free_openai_fast: boolean
   model_pricing: import('@/api/admin/channels').ChannelModelPricing[]
   // 分组利润控制（openai/anthropic/gemini/grok/antigravity 分组可启用；margin/buffer 为小数存储）。
   // 仅管理员可见：与 rate_multiplier 相乘即可反推上游成本上限，不得下放到 Group。
@@ -778,6 +779,7 @@ export interface CreateGroupRequest {
   monthly_limit_usd?: number | null
   long_context_pricing_enabled?: boolean
   force_openai_fast?: boolean
+  free_openai_fast?: boolean
   model_pricing?: import('@/api/admin/channels').ChannelModelPricing[]
   allow_image_generation?: boolean
   allow_batch_image_generation?: boolean
@@ -842,6 +844,7 @@ export interface UpdateGroupRequest {
   monthly_limit_usd?: number | null
   long_context_pricing_enabled?: boolean
   force_openai_fast?: boolean
+  free_openai_fast?: boolean
   model_pricing?: import('@/api/admin/channels').ChannelModelPricing[]
   allow_image_generation?: boolean
   allow_batch_image_generation?: boolean

frontend/src/views/admin/GroupsView.vue

@@ -1619,6 +1619,35 @@
           <p class="text-xs text-gray-500 dark:text-gray-400 mt-1">
             {{ t("admin.groups.openaiFast.hint") }}
           </p>
+          <div class="flex items-center justify-between gap-4 mt-4">
+            <label class="text-sm text-gray-600 dark:text-gray-400">
+              {{ t("admin.groups.openaiFast.free") }}
+            </label>
+            <button
+              type="button"
+              role="switch"
+              :aria-checked="createForm.free_openai_fast"
+              :aria-label="t('admin.groups.openaiFast.free')"
+              data-testid="create-free-openai-fast"
+              @click="createForm.free_openai_fast = !createForm.free_openai_fast"
+              class="relative inline-flex h-6 w-12 flex-shrink-0 cursor-pointer rounded-full border-2 border-transparent transition-colors duration-200 ease-in-out focus:outline-none"
+              :class="
+                createForm.free_openai_fast
+                  ? 'bg-emerald-500'
+                  : 'bg-gray-300 dark:bg-dark-600'
+              "
+            >
+              <span
+                class="pointer-events-none inline-block h-5 w-5 transform rounded-full bg-white shadow ring-0 transition duration-200 ease-in-out"
+                :class="
+                  createForm.free_openai_fast ? 'translate-x-6' : 'translate-x-1'
+                "
+              />
+            </button>
+          </div>
+          <p class="text-xs text-gray-500 dark:text-gray-400 mt-1">
+            {{ t("admin.groups.openaiFast.freeHint") }}
+          </p>
         </div>
 
         <!-- Codex Live 开关（OpenAI 与 Composite 平台） -->
@@ -3387,6 +3416,35 @@
           <p class="text-xs text-gray-500 dark:text-gray-400 mt-1">
             {{ t("admin.groups.openaiFast.hint") }}
           </p>
+          <div class="flex items-center justify-between gap-4 mt-4">
+            <label class="text-sm text-gray-600 dark:text-gray-400">
+              {{ t("admin.groups.openaiFast.free") }}
+            </label>
+            <button
+              type="button"
+              role="switch"
+              :aria-checked="editForm.free_openai_fast"
+              :aria-label="t('admin.groups.openaiFast.free')"
+              data-testid="edit-free-openai-fast"
+              @click="editForm.free_openai_fast = !editForm.free_openai_fast"
+              class="relative inline-flex h-6 w-12 flex-shrink-0 cursor-pointer rounded-full border-2 border-transparent transition-colors duration-200 ease-in-out focus:outline-none"
+              :class="
+                editForm.free_openai_fast
+                  ? 'bg-emerald-500'
+                  : 'bg-gray-300 dark:bg-dark-600'
+              "
+            >
+              <span
+                class="pointer-events-none inline-block h-5 w-5 transform rounded-full bg-white shadow ring-0 transition duration-200 ease-in-out"
+                :class="
+                  editForm.free_openai_fast ? 'translate-x-6' : 'translate-x-1'
+                "
+              />
+            </button>
+          </div>
+          <p class="text-xs text-gray-500 dark:text-gray-400 mt-1">
+            {{ t("admin.groups.openaiFast.freeHint") }}
+          </p>
         </div>
 
         <!-- Codex Live 开关（OpenAI 与 Composite 平台） -->
@@ -5137,6 +5195,7 @@ const createForm = reactive({
   monthly_limit_usd: null as number | null,
   long_context_pricing_enabled: true,
   force_openai_fast: false,
+  free_openai_fast: false,
   model_pricing: [] as PricingFormEntry[],
   // 图片生成计费配置
   allow_image_generation: false,
@@ -5500,6 +5559,7 @@ const editForm = reactive({
   monthly_limit_usd: null as number | null,
   long_context_pricing_enabled: true,
   force_openai_fast: false,
+  free_openai_fast: false,
   model_pricing: [] as PricingFormEntry[],
   // 图片生成计费配置
   allow_image_generation: false,
@@ -5976,6 +6036,7 @@ const closeCreateModal = () => {
   createForm.video_model_prices = createVideoModelPricesForm();
   createForm.long_context_pricing_enabled = true;
   createForm.force_openai_fast = false;
+  createForm.free_openai_fast = false;
   createForm.model_pricing = [];
   createForm.web_search_price_per_call = null;
   createForm.search_price_per_1k = null;
@@ -6081,6 +6142,10 @@ const handleCreateGroup = async () => {
         createForm.platform,
         createForm.force_openai_fast,
       ),
+      free_openai_fast: normalizeGroupOpenAIFast(
+        createForm.platform,
+        createForm.free_openai_fast,
+      ),
       model_pricing: groupPricingToAPI(
         createForm.model_pricing,
         createForm.platform,
@@ -6210,6 +6275,7 @@ const handleEdit = async (group: AdminGroup) => {
   editForm.long_context_pricing_enabled =
     group.long_context_pricing_enabled ?? true;
   editForm.force_openai_fast = group.force_openai_fast ?? false;
+  editForm.free_openai_fast = group.free_openai_fast ?? false;
   editForm.model_pricing = groupPricingFromAPI(group.model_pricing);
   editForm.allow_image_generation = group.allow_image_generation ?? false;
   editForm.allow_batch_image_generation =
@@ -6321,6 +6387,7 @@ const closeEditModal = () => {
   editForm.video_model_prices = createVideoModelPricesForm();
   editForm.long_context_pricing_enabled = true;
   editForm.force_openai_fast = false;
+  editForm.free_openai_fast = false;
   editForm.model_pricing = [];
   editForm.web_search_price_per_call = null;
   editForm.search_price_per_1k = null;
@@ -6358,6 +6425,10 @@ const handleUpdateGroup = async () => {
         editForm.platform,
         editForm.force_openai_fast,
       ),
+      free_openai_fast: normalizeGroupOpenAIFast(
+        editForm.platform,
+        editForm.free_openai_fast,
+      ),
       model_pricing: groupPricingToAPI(
         editForm.model_pricing,
         editForm.platform,

frontend/src/views/admin/__tests__/groupsOpenAIFast.spec.ts

@@ -26,11 +26,15 @@ describe("groupsOpenAIFast", () => {
       title: expect.any(String),
       force: expect.any(String),
       hint: expect.stringContaining("service_tier=priority"),
+      free: expect.any(String),
+      freeHint: expect.stringContaining("Standard"),
     });
     expect(en.groups.openaiFast).toMatchObject({
       title: expect.any(String),
       force: expect.any(String),
       hint: expect.stringContaining("service_tier=priority"),
+      free: expect.any(String),
+      freeHint: expect.stringContaining("Standard"),
     });
   });
 });