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SOURCE RECORD · obs_f3e4bb544795…

Anthropic · Model listSource update

Substantive changesRecordedObservation date 2026-09-23(day precision)Revision r2

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Summary

Replace Claude Opus 5 with Claude Opus 5.5, update API ID, pricing ($4/$20 vs, original $5/$25), knowledge cutoff date (Jun 2026), and thinking setting (Adaptive always on), and add a description that the default effort is set to high.

LLM generation

LLM The summary is machine-generated; please refer to the original text for important information.

Source page

https://docs.anthropic.com/en/docs/about-claude/models/overview ↗

This link points to the source's official page (not content on this site).