161 lines
3.8 KiB
Markdown
161 lines
3.8 KiB
Markdown
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---
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read_when:
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- 你想通过 LiteLLM 代理路由 OpenClaw
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- 你需要通过 LiteLLM 进行成本跟踪、日志记录或模型路由
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summary: 通过 LiteLLM Proxy 运行 OpenClaw,以实现统一模型访问和成本跟踪
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x-i18n:
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generated_at: "2026-03-16T06:25:50Z"
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model: gpt-5.4
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provider: openai
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source_hash: 269529671c60864972441606c730b5ca327546a45d3b264dbd03204c4401936f
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source_path: providers/litellm.md
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workflow: 15
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---
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# LiteLLM
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[LiteLLM](https://litellm.ai) 是一个开源 LLM 网关,可为 100+ 模型提供商提供统一 API。通过 LiteLLM 路由 OpenClaw,你可以获得集中式成本跟踪、日志记录,以及在不更改 OpenClaw 配置的情况下切换后端的灵活性。
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## 为什么要将 LiteLLM 与 OpenClaw 搭配使用?
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- **成本跟踪** —— 精确查看 OpenClaw 在所有模型上的花费
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- **模型路由** —— 无需更改配置,即可在 Claude、GPT-4、Gemini、Bedrock 之间切换
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- **虚拟密钥** —— 为 OpenClaw 创建带有支出限制的密钥
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- **日志记录** —— 提供完整的请求/响应日志,便于调试
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- **回退** —— 如果你的主要提供商宕机,可自动故障切换
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## 快速开始
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### 通过新手引导
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```bash
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openclaw onboard --auth-choice litellm-api-key
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```
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### 手动设置
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1. 启动 LiteLLM Proxy:
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```bash
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pip install 'litellm[proxy]'
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litellm --model claude-opus-4-6
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```
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2. 将 OpenClaw 指向 LiteLLM:
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```bash
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export LITELLM_API_KEY="your-litellm-key"
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openclaw
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```
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就是这样。OpenClaw 现在会通过 LiteLLM 进行路由。
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## 配置
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### 环境变量
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```bash
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export LITELLM_API_KEY="sk-litellm-key"
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```
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### 配置文件
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```json5
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{
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models: {
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providers: {
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litellm: {
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baseUrl: "http://localhost:4000",
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apiKey: "${LITELLM_API_KEY}",
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api: "openai-completions",
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models: [
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{
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id: "claude-opus-4-6",
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name: "Claude Opus 4.6",
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reasoning: true,
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input: ["text", "image"],
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contextWindow: 200000,
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maxTokens: 64000,
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},
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{
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id: "gpt-4o",
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name: "GPT-4o",
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reasoning: false,
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input: ["text", "image"],
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contextWindow: 128000,
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maxTokens: 8192,
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},
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],
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},
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},
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},
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agents: {
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defaults: {
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model: { primary: "litellm/claude-opus-4-6" },
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},
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},
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}
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```
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## 虚拟密钥
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为 OpenClaw 创建一个带支出限制的专用密钥:
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```bash
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curl -X POST "http://localhost:4000/key/generate" \
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-H "Authorization: Bearer $LITELLM_MASTER_KEY" \
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-H "Content-Type: application/json" \
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-d '{
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"key_alias": "openclaw",
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"max_budget": 50.00,
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"budget_duration": "monthly"
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}'
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```
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将生成的密钥用作 `LITELLM_API_KEY`。
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## 模型路由
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LiteLLM 可以将模型请求路由到不同后端。在你的 LiteLLM `config.yaml` 中进行配置:
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```yaml
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model_list:
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- model_name: claude-opus-4-6
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litellm_params:
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model: claude-opus-4-6
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api_key: os.environ/ANTHROPIC_API_KEY
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- model_name: gpt-4o
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litellm_params:
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model: gpt-4o
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api_key: os.environ/OPENAI_API_KEY
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```
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OpenClaw 会继续请求 `claude-opus-4-6` —— 路由由 LiteLLM 处理。
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## 查看使用情况
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检查 LiteLLM 的仪表板或 API:
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```bash
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# 密钥信息
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curl "http://localhost:4000/key/info" \
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-H "Authorization: Bearer sk-litellm-key"
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# 支出日志
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curl "http://localhost:4000/spend/logs" \
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-H "Authorization: Bearer $LITELLM_MASTER_KEY"
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```
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## 说明
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- LiteLLM 默认运行在 `http://localhost:4000`
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- OpenClaw 通过兼容 OpenAI 的 `/v1/chat/completions` 端点连接
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- 所有 OpenClaw 功能都可通过 LiteLLM 使用 —— 没有限制
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## 另请参见
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- [LiteLLM 文档](https://docs.litellm.ai)
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- [模型提供商](/concepts/model-providers)
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