Dreams research preview adds Claude Fable 5 and Claude Sonnet 5
PreviewVerifiedAdded Sep 22, 2026
Dreams, in research preview, now supports Claude Fable 5 and Claude Sonnet 5.
Topics: LLMs
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More Claude Platform releases
Every Claude Platform release| Date | Release | Type |
|---|---|---|
| Jul 10 | Claude Access Transparency docs expand coverage of cmek_preserve events Update | Update |
| Jul 8 | Claude Console API keys and Admin API keys can now expire Update | Update |
| Jul 14 | Admin API adds Claude Enterprise user management in beta Beta | Beta |
| Jul 14 | Self-serve HIPAA configuration for Claude Enterprise and the Claude API Update | Update |
| Jul 15 | Mid-conversation system messages available on Claude Fable 5, Mythos 5 and Opus 4.8 GA | GA |
| Jul 17 | Legacy Claude Console Workbench sunsets on August 17, 2026 Deprecation | Deprecation |
| Jul 17 | Claude experimental prompt tools APIs retire with the Workbench on August 17, 2026 Deprecation | Deprecation |
| Jul 2 | agent-memory-2026-07-22 beta header changes memory store listing behavior Beta | Beta |
