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
ImprovementsKind: in v2.1.229,
ImprovementsSection of the release
What
The warning shown for a model Claude Code does not recognize only tells you to append [1m] to the model name when the assumed context window is smaller than 1M. Otherwise it says the model accepts less.
Evidence
append [1m] to the model name for 1M
Strings lifted out of the shipped bundle, so the claim above can be checked against them.
