Catalog / Claude PlatformClaude Platform release notes — June 25, 202625 Jun 20262 months agodeprecatedOriginal notes 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. Migrate to fast mode for Claude Opus 4.8. Read more in Fast mode. Previous: Claude Platform release notes — June 22, 2026Next: Claude Platform release notes — June 26, 2026