Claude Platform release notes — June 29, 2026
We've removed fast mode for Claude Opus 4.6. Requests to claude-opus-4-6 with speed: "fast" no longer run at fast speed or premium pricing: they run at standard speed, are billed at standard rates, an…
Removed 1
- Fast mode for Claude Opus 4.6 has been removed, and requests with speed set to 'fast' now run at standard speed and are billed at standard rates instead