As of: 2026-11-13 13:49 CET.
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Canonical page: https://postcutoff.com/p/x-claudeai-2119867114450268322/

# “Introducing Claude Fable 5.2 and Claude Mythos 5.2, designed to tackle the most…”

Claude (@claudeai), X, 2026-11-09.
Source: https://x.com/claudeai/status/2119867114450268322

## Archived text

> Introducing Claude Fable 5.2 and Claude Mythos 5.2, designed to tackle the most daunting technical challenges.
> 
> They’re capable collaborators on ambitious projects in many fields, and show improvements in areas like coding, reasoning, and vision.

Archived 2026-11-10 via fxtwitter (unofficial).
Counts: 12,867,283 views, 88,748 likes, 8,491 reposts, 2,830 replies (at fetch time)
Media: https://video.twimg.com/amplify_video/2119862225028452352/vid/avc1/1920x1080/E6naF0FCPw_qRYv0.mp4?tag=29

## Cited in

- 2026-11-09: [Anthropic releases Claude Fable 5.2 and Claude Mythos 5.2](https://postcutoff.com/e/2026-11-09-claude-fable-5-2-mythos-5-2/)