Claude Platform – October 30, 2026
- Published
- (12 days ago)
- Type
- Patch notes
- Source
- platform.claude.com
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What’s in this update
- We’ve deprecated fast mode for Claude Opus 4.8, with removal on November 30, 2026. After removal, requests to `claude-opus-4-8` with `speed: "fast"` will return an error. To continue using fast mode, migrate to Claude Opus 5.5. Read more in Fast mode model availability.
Read the full patch notes on platform.claude.com →
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