OpenRouter
FreeA unified interface for LLMs. [#opensource](https://github.com/OpenRouterTeam)
About OpenRouter
OpenRouter is a unified interface for large language models (LLMs) that provides access to over 400 models from more than 70 providers through a single, OpenAI SDK-compatible API. It offers better pricing, higher uptime, and no subscription commitment. The platform handles 200 trillion tokens monthly and serves 10 million global users. Key capabilities include auto-routing with fallback providers for reliability, prompt caching with sticky routing, custom data policies, budget controls, and support for multiple modalities (chat, image generation, embeddings, audio transcription). OpenRouter is used by indie hackers, startups, and enterprises, powering over 250,000 applications globally. It offers a free tier with 50 requests per day and pay-as-you-go options with a 5.5% platform fee.
Key Features
Pros & Cons
- Access to 400+ models from 70+ providers under one API
- Higher reliability through automatic failover to alternative providers
- No subscription lock-in; pay only for what you use
- Competitive pricing, often better than direct provider costs
- OpenAI SDK compatible, making migration easy
- Free tier available with 25+ free models and zero platform fees
- Free tier limited to 50 requests per day
- Pay-as-you-go incurs a 5.5% platform fee on top of model costs
- Enterprise features require contacting sales
- Reliant on third-party providers for uptime and model availability