As of March 29, fine-grained PATs and GitHub Apps need updates to access GitHub Models playground

Starting March 29, 2025, fine-grained Personal Access Tokens (PATs) and GitHub Apps accessing the GitHub Models playground will require the models:read permission. If your tokens or GitHub Apps currently do not include the models:read permission, requests to the playground will return an Unauthorized response after this date. Please update your fine-grained PATs and GitHub Apps permissions proactively to avoid disruption.

Coarse-grained tokens are unaffected and will continue working without any changes.

To learn more about GitHub Models, check out the docs. You can also join our Community discussions.