OpenRouter is listed under Model Hosting & Inference APIs, in the AI Models & Local Execution category on Flocci AI Tools. One API for 400+ models across providers. It is freemium — a usable free tier with paid plans above it, and it lives at openrouter.ai.
Is OpenRouter free?
OpenRouter is freemium: there is a free tier you can work in and paid plans above it. It is one of 391 freemium tools in the catalog, all labelled the same way so you are never surprised by a paywall.
What can OpenRouter do?
OpenRouter does 4 things the catalog singles out: One api for 400+ models across providers; automatic fallbacks and price routing; some models free to use; unified billing.
What is the best free alternative to OpenRouter?
Baseten is the closest free alternative: it sits in the same Model Hosting & Inference APIs sub-category and is free tier + paid plans. Cerebras Inference, Cloudflare Workers AI and Fireworks AI also start free. The full list is on the alternatives page.