Directory: model

Claude Opus 5

Stories we have published that mention this model.

Stories: 1
Last 30 days: 1
First story: Nov 14, 2026
Latest story: Nov 14, 2026

Latest on Claude Opus 5

A large yellow chat bubble on a cobalt blue field above the headline "Claude Opus 5.5 becomes the default".

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Anthropic makes Claude Opus 5.5 the default and says to drop "think hard"

Opus 5.5 is now the default on Pro, Max, Ultra and Team plans. Anthropic says older prompting habits slow it down, and it recommends starting at Medium effort.

Nov 14, 2026

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