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openai-router

Project description

🚀 OpenAI Router

轻量级、持久化、零配置的 OpenAI API 统一网关
一键聚合 vLLM、SGLang、lmdeploy、Ollama…

PyPI - Downloads


  • 将不同推理框架(vLLM、SGLang、lmdeploy、Ollama… )、不同Host、不同PortOpenAI API接口统一聚合到同一个base_url上,实现更便捷的模型调用。

✨ Features

Feature Description
🌍 统一入口 /chat/completions/embeddings/images/generations… 全部转发
🧩 多后端 vLLM、SGLang、lmdeploy、Ollama… 任意组合
💾 持久化 SQLite + SQLModel 零配置存储路由
⚡ 负载均衡 可配置多个同名模型,自动进行轮询式负载均衡(暂不支持异常踢出机制)
🎨 Web UI Gradio 即用的管理面板
🔍 兼容 OpenAI SDK / LangChain / AutoGen / LlamaIndex / CrewAI …等 一行代码都不用改

📦 Quick Start

Step-1:安装

PyPI(推荐)

uv add openai-router -U

或者

pip install openai-router -U

Step-2:启动

openai-router --host localhost --port 8000 

浏览器自动打开
📍 UI:http://localhost:8000
📍 API 文档:http://localhost:8000/docs

Step-3:添加后端样例

在 Web UI 「添加 / 更新」填入:

  • 模型名:gpt-4
  • 后端 URL:http://localhost:8082/v1
  • 后端 API 密钥 (可选) : 如果提供,路由器将使用此密钥覆盖原始请求中的 Authorization 标头。如果留空,将透传原始请求的密钥。

🔧 API Usage

像官方 OpenAI SDK一样调用

from openai import OpenAI 
client = OpenAI(
      base_url="http://localhost:8000/v1",
      api_key="sk-dummy"
)
resp = client.chat.completions.create(
      model="gpt-4",
      messages=[{"role":"user","content":"hello"}],
      stream=True 
)
for chunk in resp:
      print(chunk.choices[0].delta.content or "", end="")

cURL

curl http://localhost:8000/v1/chat/completions \
     -H "Content-Type: application/json" \
     -d '{"model":"gpt-4","messages":[{"role":"user","content":"hi"}],"stream":true}'

🗂️ Endpoints

Method Path Description
GET / Gradio Admin UI
GET /docs OpenAPI Swagger
GET /v1/models List available models
POST /v1/responses Responses API
POST /v1/chat/completions Chat completion
POST /v1/embeddings Text embeddings
POST /v1/images/generations DALL·E style
POST /v1/audio/transcriptions Whisper
All OpenAI endpoints supported

⚙️ Configuration

CLI Options

openai-router --help 
Flag Default Description
--host localhost Bind address
--port 8000 Bind port

🏗️ Architecture

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