OpenRouter

One API for 400+ models across providers

What OpenRouter does

  • One API for 400+ models across providers
  • Automatic fallbacks and price routing
  • Some models free to use
  • Unified billing

OpenRouter — straight answers

What is OpenRouter?

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.

See the full list →

OpenRouter alternatives

Compare all alternatives →

Hugging Face

Model Hosting & Inference APIs
freemium
  • The hub for open models and datasets
  • Spaces to host and demo apps
  • Inference endpoints and providers
  • Free accounts and hosting

Replicate

Model Hosting & Inference APIs
freemium
  • Run open models with one API call
  • Thousands of community models
  • Deploy your own with Cog
  • Pay-per-second, free trial credits

Groq

Model Hosting & Inference APIs
freemium
  • Ultra-fast inference on custom LPUs
  • Sub-second responses for open models
  • OpenAI-compatible API
  • Generous free tier

Together AI

Model Hosting & Inference APIs
freemium
  • Fast, cheap open-model inference
  • 200+ models via one API
  • Fine-tuning and dedicated endpoints
  • Free starter credits

Fireworks AI

Model Hosting & Inference APIs
freemium
  • High-performance open-model serving
  • Fine-tuning and function calling
  • Vision and audio models
  • Free trial credits

Cerebras Inference

Model Hosting & Inference APIs
freemium
  • Runs open models on Cerebras Wafer-Scale Engine hardware at dramatically higher tokens/sec than GPU-based APIs
  • New accounts get free credits across all Cerebras-hosted models
  • Popular backend choice for latency-sensitive agentic and coding tools

Head-to-head comparisons