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.
What changed in ChatGPT, Claude, Gemini, Copilot, Perplexity and Gemini Notebook: features, plans and limits.
2 stories, newest Nov 14, 2026
The biggest stories in this section this week, by our editors' significance score.
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.
Claude can now sit in on a video call, answer questions, write notes and build docs while the meeting runs. The beta is rolling out on Team and Enterprise plans.
AI news you can use, in five minutes. Free, every weekday.