Kolibri 1, free and keyless (OpenAI-compatible) Base URL: https://kolibri.constructlabs.com/v1 No API key needed. Any model name is answered by cl-kolibri-1. curl https://kolibri.constructlabs.com/v1/chat/completions \ -H "Content-Type: application/json" \ -d '{"messages":[{"role":"user","content":"Hallo!"}],"reasoning_effort":"medium"}' Endpoints: POST /v1/chat/completions, GET /v1/models reasoning_effort: none, low, medium, high (default high) For limited use and tinkering with the release. We rate limit early.