OpenRouter

Access 300+ models from a single API key — GPT, Claude, Gemini, Mistral, Llama, and more. Useful if you want to experiment across providers without managing separate subscriptions.

Get your key: openrouter.ai/keys

Field	Description
OPENROUTER_API_KEY	Your API key (starts with sk-or-...)

After saving, click Fetch Models to load the full catalog.