# Claude Fable 5.2 release date lineage: /models/claude.md entity: /record/claude-fable-5-2.md predicate: model_release page: /record/claude-fable-5-2/model_release as_of: 2026-11-12 cite: AsOf. "Claude Fable 5.2 model release: Claude Fable 5.2", as of 2026-11-09. Claim clm_C3B040A105E6, https://asof.is/claim/clm_C3B040A105E6, accessed 2026-11-12. Source: https://platform.claude.com/docs/en/release-notes/overview#2026-11-09. As of November 12, 2026, the AsOf record says Claude Fable 5.2 was released on November 9, 2026, from 2 primary sources (platform.claude.com and anthropic.com). 1 claim on Claude Fable 5.2's release, 1 open and 0 superseded, each dated and sourced; a replaced value is closed with an end date, never deleted. ## Current release date What the record asserts on 2026-11-12. - [Claude Fable 5.2](/record/claude-fable-5-2.md) | model_release | Claude Fable 5.2 | valid 2026-11-09 to present | conf 0.70 | valid | [clm_C3B040A105E6](/claim/clm_C3B040A105E6.md) sources: https://platform.claude.com/docs/en/release-notes/overview#2026-11-09, https://www.anthropic.com/claude-fable-and-mythos-5-2 ## Every dated value One claim per line, oldest first. Superseded claims stay visible. - [Claude Fable 5.2](/record/claude-fable-5-2.md) | model_release | Claude Fable 5.2 | valid 2026-11-09 to present | conf 0.70 | valid | [clm_C3B040A105E6](/claim/clm_C3B040A105E6.md) sources: https://platform.claude.com/docs/en/release-notes/overview#2026-11-09, https://www.anthropic.com/claude-fable-and-mythos-5-2 ## Questions this record answers ### When was Claude Fable 5.2 released? On November 9, 2026, from 2 primary sources (platform.claude.com and anthropic.com) (status valid, confidence 0.70). ## Read on - This page: /record/claude-fable-5-2/model_release (markdown: /record/claude-fable-5-2/model_release.md) - Entity twin: /record/claude-fable-5-2.md ยท timeline: /timelines/claude-fable-5-2.md --- AsOf is a temporal fact ledger: a structured, dated, sourced record of what is true and what changed, built for AI retrieval.