Openrouter 部分免费模型不支持中文请求

第一条总是 429, 第二条可以正常响应. Opus 4.6 Max/GPT-5.2 Extra High 都未能确认 bug 原因, 最后确认是不支持回答中文请求, 我手动验出来的.

curl https://openrouter.ai/api/v1/chat/completions \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer sk-or-v1-xxxxxxxxxxxxxxxxxxxxxx" \
  -d '{
  "model": "openai/gpt-oss-120b:free",
  "messages": [
    {
      "role": "user",
      "content": "你是一个专业的本地化翻译专家"
    }
  ]
}'

curl https://openrouter.ai/api/v1/chat/completions \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer sk-or-v1-xxxxxxxxxxxxxxxxxxxxxx" \
  -d '{
  "model": "openai/gpt-oss-120b:free",
  "messages": [
    {
      "role": "user",
      "content": "You are a professional localization translation expert"
    }
  ]
}'

并非携带中文就返回 429, 只要开头几句提示词是中文就返 429. 如果是英文提示词要求翻译内容, 后续内容含有中文则不会返 429. 可能是阻拦意图, 而非阻拦字符.

顺便推一下我的翻译插件: https://github.com/Project-Translation/project_translator