mirror of https://github.com/Wei-Shaw/sub2api.git synced 2026-10-14 20:12:39 +08:00

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feeeei e2cfaa46e7 fix(pricing): 目录 cache 侧字段契约哨兵与 Gemini pro 缓存写入价修正

阶梯计价数据驱动后，目录条目的字段缺失或版本拼接会直接变成计费偏差，
解析层补两道数据契约哨兵，并修正出厂快照中 Gemini pro 系的缓存写入价：

- orphanCacheTierFields / warnOrphanCacheTierFields：条目带 cache 侧
  above 档（含 _priority/_flex 变体与 above_1hr 形态）却没有基础价时打
  WARN——cache 侧 above 档不参与计费取值，按"基础价 × 输入倍率"计，基础价
  缺失即该分项按 0 计；变体缺自身基础价时沿 变体→1h→标准 回落链任一存在
  即不算孤儿，与计费回落一致
- isLopsidedLongContextLadder / warnLopsidedLongContextLadders：above 档
  折算出只有一侧带附加费的阶梯时打 WARN（基础价与 above 档来自不同价格
  版本的形态），显式 long_context_* 字段不告警
- deriveLongContextFromAboveTierFields 注释改为陈述契约：cache above 档
  须恰为基础价 × 输入倍率
- 出厂快照 6 个 Gemini pro 条目补 cache_creation_input_token_cost（= 标准
  输入价，Google 对缓存写入不另收费）、above_200k 改为输入 above 价、带
  priority 输入价的 4 条补 priority 孪生，与 model-price-repo 数据修正同值

测试：
- 解析层：孤儿字段 WARN（含 priority/1h 孤儿正例、1h 回落 5m 反例）、单侧
  阶梯 WARN、出厂快照契约（全条目无孤儿字段、无单侧阶梯、Gemini pro 缓存
  写入价 = 输入价）
- 用量契约：extractGeminiUsage 与 Antigravity 非流式/流式转换均不产生
  cache_creation token（Gemini usageMetadata 无该类别）
- 计费：gemini-2.5-pro 阶梯对 cache_read / cache_creation 分项生效，阈值
  计入缓存写入 token；阶梯表场景与夹具同步为现行目录值

2026-09-01 01:26:55 +08:00

model_prices_and_context_window.json

fix(pricing): 目录 cache 侧字段契约哨兵与 Gemini pro 缓存写入价修正

2026-09-01 01:26:55 +08:00

README.md

First commit

2025-12-18 13:50:39 +08:00

README.md

Model Pricing Data

This directory contains a local copy of the mirrored model pricing data as a fallback mechanism.

Source

The original file is maintained by the LiteLLM project and mirrored into the price-mirror branch of this repository via GitHub Actions:

Mirror branch (configurable via PRICE_MIRROR_REPO): https://raw.githubusercontent.com//price-mirror/model_prices_and_context_window.json
Upstream source: https://raw.githubusercontent.com/BerriAI/litellm/main/model_prices_and_context_window.json

Purpose

This local copy serves as a fallback when the remote file cannot be downloaded due to:

Network restrictions
Firewall rules
DNS resolution issues
GitHub being blocked in certain regions
Docker container network limitations

Update Process

The pricingService will:

First attempt to download the latest version from GitHub
If download fails, use this local copy as fallback
Log a warning when using the fallback file

Manual Update

To manually update this file with the latest pricing data (if automation is unavailable):

curl -s https://raw.githubusercontent.com/BerriAI/litellm/main/model_prices_and_context_window.json -o model_prices_and_context_window.json

File Format

The file contains JSON data with model pricing information including:

Model names and identifiers
Input/output token costs
Context window sizes
Model capabilities

Last updated: 2025-08-10