What it is
Aggregator API: 339+ models from Anthropic, OpenAI, Google, DeepSeek, Meta, Mistral, etc. behind one API key.
Pricing
Pay-as-you-go only — no subscription. Top up credits and use.
Live catalog
- API endpoint:
https://openrouter.ai/api/v1/models - 339 models in our live fetch
Verdict
Best for ad-hoc per-token experimentation. No free tier but no subscription either. Top up and use. BYOK also supported.