Fast mode for Claude Opus 4.7 deprecated, removal on July 24, 2026

DeprecationJun 25, 2026VerifiedAdded Sep 22, 2026

After July 24, 2026, requests to claude-opus-4-7 with speed fast will return an error. Anthropic recommends migrating to fast mode on Claude Opus 4.8.

LLMs

Read Anthropic's release notes

https://platform.claude.com/docs/en/release-notes/overview#june-25-2026

Summaries of vendors' own notes. Product names and logos belong to their owners; logos via logo.dev.

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Claude PlatformJun 29, 2026

Fast mode removed for Claude Opus 4.6

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Claude PlatformJun 30, 2026

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Claude PlatformJun 30, 2026

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Claude PlatformJun 30, 2026

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Claude PlatformJun 30, 2026

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Claude PlatformJun 30, 2026

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Claude PlatformJun 30, 2026

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Also shipped on Jun 25, 2026

Databricks AI/BI and GenieJun 25, 2026

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GitHub GitHub CopilotJun 25, 2026

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GitHub GitHub platformJun 25, 2026

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GitHub GitHub ActionsJun 25, 2026

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