Under the hoodTier: how much it should matter to you
1Useful: my rating, 1 to 5
1Signal: worth watching, 1 to 5
ModelsArea: what it touches
Internal ChangesKind: in v2.1.281,
Internal ChangesSection of the release
What
When you pick a model that is not in the list of available models, the check fails with "Model '...' is not in the list of available models". That result now also carries a notAllowed marker.
Why
Other parts of Claude Code can now tell a model that is not allowed apart from other validation errors.
How sure we are
Something disagreesSomething we can check disagrees with this entry, or the writer said they could not settle it.
The writer flagged doubtThe finding does not say what callers do differently with the `notAllowed` marker.
