AI BriefingAnthropic recommends Claude Opus 5.5 as the default daily driver for knowledge work
·2026.11.12 09:00
Key point
Opus 5.5 is now the default model on Pro, Max, Ultra, and Team plans, offering performance comparable to Opus 5 at High effort while using 20 to 25% fewer output tokens.
Details
- Anthropic designates Claude Opus 5.5 as the default model for knowledge work on Pro, Max, Ultra, and Team plans, recommending it over Sonnet for tasks requiring judgment and complex analysis.
- In internal testing, Opus 5.5 at Medium effort matched or beat Opus 5 at High effort, with early testers reporting 20 to 25% fewer output tokens for equivalent results.
- The model demonstrates superior accuracy in financial analysis and document generation, passing 16 of 18 automated fact-checking tests in a research scenario and completing a merger analysis in 63 minutes at half the cost of Opus 5.
- Users are advised to connect Claude to work files via connectors, specify final output requirements in the first message, and remove explicit "think hard" prompts, as the model now manages reasoning effort automatically.
- Pricing for Opus 5.5 is $4 per million input tokens and $20 per million output tokens, with higher-priced models consuming plan limits faster on subscription tiers.
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