set up openrouter byok

openrouter byok lets the user run supported models through their openrouter account. openrouter keys should start with `sk-or-`.

updated may 3, 2026 byok no images
quick answer

use openrouter when the user already runs model spend there.

use this for

  • configuring byok with openrouter
  • checking key prefix errors
  • routing anthropic models through openrouter

steps

  1. open openrouter.
  2. add credits or billing.
  3. create an api key.
  4. copy the key that starts with `sk-or-`.
  5. open hold your voice byok settings.
  6. choose openrouter.
  7. paste and save the key.

details to know

  • openrouter keys are provider-specific in validation.
  • the provider bills token usage directly.
  • the app stores only an encrypted key and a hint.

limits and edge cases

  • an anthropic key pasted while openrouter is selected is rejected.
  • provider outages surface as model-call failures in the app.
ready to use the product instead of reading about it? open app