From OpenAI

Point the OpenAI SDK at Relixr with an rlx_ key.

1. Create a Relixr inference key (rlx_…) and top up any amount.
2. Set base_url / baseURL to https://api.relixr.com/v1.
3. Keep your existing model ids if they are in the Relixr catalog — or pick a featured frontier model from /models.
4. Read relixr metadata on responses for routing and cost.

See Make a request and Compatibility.