OpenAI Forward is an open-source forwarding and reverse proxy service for large language model APIs, designed to sit between client applications and model providers. Its main purpose is to make model access more manageable and efficient by adding operational controls such as request rate limiting, token rate limiting, caching, logging, routing, and key management around existing LLM endpoints. The project can proxy both local and cloud-hosted language model services, which makes it useful for teams that want a single control layer regardless of whether they are using something like LocalAI or a hosted provider compatible with OpenAI-style APIs. A major emphasis of the repository is asynchronous performance, using tools such as uvicorn, aiohttp, and asyncio to support high-throughput forwarding workloads.
Features
- OpenAI-style reverse proxy and forwarding service for LLM APIs
- Request and token rate limiting controls
- Intelligent prediction caching for speed and cost savings
- API key substitution and key management capabilities
- Multi-target routing with automatic retry support
- Real-time logging and IP-based access control