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Written by AI from the official notes. Check them for exact details.Fast mode for Claude Opus 4.7 is deprecated and will be removed on July 24, 2026.
- Fast mode for Claude Opus 4.7 is deprecated.
- Removal of fast mode is scheduled for July 24, 2026.
- Users should migrate to fast mode for Claude Opus 4.8.
Why it matters: Users of Claude Opus 4.7 should prepare for the removal of fast mode to avoid errors.
Full release notes
- We've deprecated fast mode for Claude Opus 4.7, with removal on July 24, 2026. After removal, requests to
claude-opus-4-7withspeed: "fast"will return an error. Migrate to fast mode for Claude Opus 4.8. Read more in Fast mode.