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Retired Model Notification Displayed Incorrectly

Bug Reports

When branching from an existing conversation, a confusing notification appears stating that "Claude Sonnet 4.6" has been retired and succeeded by itself ("Claude Sonnet 4.6").
I could not reproduce it.

Status: Closed1 comment

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Comments1

  • Mark Florkowski

    Team

    This was due to a change where we combined the “thinking” and “non-thinking” variants of models, so some old chats are still using the old ids. Adding a special case for these would pollute the logic and make it a bit less maintainable, so for now we decided to let the slightly pointless message stay, but if enough reports come in about it we will consider patching that case.