Best OpenRouter alternatives
8 tools developers use instead of OpenRouter, ranked by popularity. 7 offer a free plan and 2 are open source. Updated October 2026.
-
Open-source Python library and proxy server that calls 100+ LLM providers through one OpenAI-compatible interface, with built-in cost tracking and load balancing.
-
Open-source LLM observability proxy that sits between your app and a model provider, logging requests, costs, and latency with a one-line integration change.