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October 28, 2025 · Anthropic

Claude Sonnet 3.7 deprecated, Sonnet 3.5 models retired

  • We announced the deprecation of the Claude Sonnet 3.7 model. Read more in Model deprecations.
  • We’ve retired the Claude Sonnet 3.5 models. All requests to these models will now return an error.
  • We’ve expanded context editing with thinking block clearing (clear_thinking_20251015), enabling automatic management of thinking blocks. Learn more in Context editing.
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Cloud Changelog

Announcements from AWS, Google Cloud, Azure, Cloudflare and the main AI providers in one searchable changelog, with daily, weekly and monthly digests.

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