You'll noticeTier: how much it should matter to you
2Useful: my rating, 1 to 5
1Signal: worth watching, 1 to 5
ModelsArea: what it touches
RemovedKind: in v2.1.280,
RemovedSection of the release
What
The model catalog entry for claude-opus-4-1-20250805 ("Opus 4.1"), previously offered on Bedrock and Vertex in the overflow section, has been removed entirely.
Why
Opus 4.1 is no longer offered as a selectable model in Claude Code through those providers.
