SOURCE RECORD · obs_51b56f28fe08…

Anthropic · Model listSource update

Substantive changesRecordedObservation date 2026-10-06(day precision)Revision r2

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Summary

New description: In the Models API response, each model introduces a new line field to identify the model's series, and Claude Opus 4.5 and 4.6 are both reported as opus.

LLM generation

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

Permanent link

https://daily.maas.click/item/obs_51b56f28fe083d187834e6370d431a922833551983ed821db00132e9fc205301/

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).