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gemini-openai-api

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Gemini 模型通过 OpenAI 兼容 API 接入指南。包含：(1) 辅助 API 配置（summary/correction/emotion/vision），(2) extra_body 格式用于控制 thinking，(3) 响应格式处理（markdown 代码块）。当需要将 Gemini 作为辅助模型接入、配置 thinking 参数、或处理 Gemini API 返回格式时使用。

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Gemini OpenAI 兼容 API 接入

Gemini 提供 OpenAI 兼容端点，可作为辅助 API 使用。

[!IMPORTANT] memory/ + utils/ 下不要传 temperature。项目级约定：所有走 utils.llm_client.create_chat_llm / ChatOpenAI 的调用一律不下发 temperature 字段（默认 None = 不写进请求体）。守门见 scripts/check_no_temperature.py。extra_body（控制 thinking）/ max_completion_tokens / timeout / max_retries 这类参数继续按需配置，但 不要为了"调风格"再加 temperature=...。

Base URL

https://generativelanguage.googleapis.com/v1beta/openai/

模型配置

用途推荐模型
Summary / Correction / Visiongemini-3-flash-preview
Emotion Analysisgemini-2.5-flash

控制 Thinking

Gemini 2.5+ 模型需要通过 extra_body 控制 thinking 行为。

禁用 Thinking（用于 gemini-2.5-flash）

extra_body = {
    "extra_body": {
        "google": {
            "thinking_config": {
                "thinking_budget": 0
            }
        }
    }
}

低级别 Thinking（用于 gemini-3-flash-preview）

extra_body = {
    "extra_body": {
        "google": {
            "thinking_config": {
                "thinking_level": "low",
                "include_thoughts": False
            }
        }
    }
}

[!IMPORTANT] extra_body 需要双层嵌套：外层 "extra_body" 是传给 OpenAI client 的参数名，内层 {"google": {...}} 是 Gemini 的实际配置。

响应格式处理

Gemini 可能返回 markdown 代码块包装的 JSON：

```json
{"emotion": "happy", "confidence": 0.8}


处理方法：

```python
if result_text.startswith("```"):
    lines = result_text.split("\n")
    if lines[0].startswith("```"):
        lines = lines[1:]
    if lines and lines[-1].strip() == "```":
        lines = lines[:-1]
    result_text = "\n".join(lines).strip()

配置文件位置

  • config/api_providers.json - 添加 gemini 到 assist_api_providers
  • config/__init__.py - 添加 EXTRA_BODY_GEMINI 和 MODELS_EXTRA_BODY_MAP

api_providers.json 示例

"gemini": {
  "key": "gemini",
  "name": "Gemini（Google）",
  "description": "Google AI 辅助模型，国内无法使用",
  "openrouter_url": "https://generativelanguage.googleapis.com/v1beta/openai/",
  "summary_model": "gemini-3-flash-preview",
  "correction_model": "gemini-3-flash-preview",
  "emotion_model": "gemini-2.5-flash",
  "vision_model": "gemini-3-flash-preview"
}

常见问题

"Unknown name 'google': Cannot find field"

原因：extra_body 格式错误，缺少外层 "extra_body" 包装。

解决：使用双层嵌套格式 {"extra_body": {"google": {...}}}。

JSON 解析失败

原因：

  1. 响应被截断（token 限制太小）
  2. 响应包含 markdown 代码块

解决：

  1. 增加 max_completion_tokens
  2. 添加 markdown 代码块处理逻辑