# clm_42CB2E73C164

subject: Claude (/record/claude.md)  
predicate: feature_removed  
value: Fast mode for Claude Opus 4.7  
valid_from: 2026-07-24  
valid_to: null  
published: 2026-07-24  
recorded: 2026-10-31  
confidence: 0.70  
status: valid  
assertable: true  
superseded_by: null  
last_updated: 2026-10-31  
checked: 2026-10-31 · its source page states the value and the date  

> We’ve deprecated fast mode for Claude Opus 4.7, with removal on July 24, 2026. After removal, requests to claude-opus-4-7 with speed: "fast" will return an error.

What https://platform.claude.com/docs/en/release-notes/overview#2026-07-24 says, word for word.

## Sources

- https://platform.claude.com/docs/en/release-notes/overview#2026-07-24 (primary, Anthropic, published 2026-07-24)

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