That’s not really possible. Each provider has its own API with different parameters and behaviors, which is exactly why we use OpenRouter to have a unified interface. Letting users pick a provider for the same model would require implementing each provider’s contract separately.

If you know your provider supports the OpenAPI contract, you can choose "custom provider" and manually enter the endpoint.

I see, its all good I found settings for forcing a certain provider on the site, thanks for the info