You'll noticeTier: how much it should matter to you
1Useful: my rating, 1 to 5
3Signal: worth watching, 1 to 5
ModelsArea: what it touches
ImprovementsKind: in v2.1.304,
ImprovementsSection of the release
Unclear It is not clear what condition decides whether the "(research preview)" label is shown.
What
The title of the Fast mode dialog used to always read "Fast mode (research preview)". It now adds " (research preview)" only when a particular condition is met. Otherwise the title is just "Fast mode".
Why
The preview label is no longer fixed. Some people will see the Fast mode dialog without the "research preview" wording.
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 doubtIt is not clear what condition decides whether the "(research preview)" label is shown.
Anthropic's release notes agreeRemoved the "(research preview)" label from the /fast dialog title on Opus 5.5