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Anthropic · Official blog source updated

Substantive changesRecordedObservation date 2026-09-29(day precision)Revision r2

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Summary

The blog has added a published article featuring Claude Sonnet 5.5, emphasizing a speed improvement of 30% and a cost reduction of 30%, corresponding to the promotion of the new model.

LLM generation

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

Source page

https://www.anthropic.com/news ↗

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