diff --git a/backend/internal/handler/admin/group_handler.go b/backend/internal/handler/admin/group_handler.go
index 13f7d2fd8c..1f5f479a9f 100644
--- a/backend/internal/handler/admin/group_handler.go
+++ b/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"`
@@ -218,6 +219,7 @@ 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"`
@@ -553,6 +555,7 @@ 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,
@@ -683,6 +686,7 @@ 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,
diff --git a/backend/internal/handler/admin/group_handler_openai_fast_test.go b/backend/internal/handler/admin/group_handler_openai_fast_test.go
index 22a9a53500..54ff52f9f9 100644
--- a/backend/internal/handler/admin/group_handler_openai_fast_test.go
+++ b/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)
 }