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Anthropic launches Claude Fable 5.2 and Claude Mythos 5.2

Anthropic released Claude Fable 5.2 and Claude Mythos 5.2 on 9 November 2026, with Fable 5.2 positioned as its top model for hard technical work, including reported success on black hole physics problems.

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Timeline · 3 reports

  1. 2026-11-13 11:47 · Mashable AI
    Anthropic announces Claude Fable 5.2 and Mythos 5.2. They'e already solved black hole physics problems.
  2. 2026-11-12 01:14 · r/mlscaling
    "Introducing Claude Fable 5.2 and Claude Mythos 5.2", Anthropic
  3. 2026-11-10 18:05 · DEV Community — AI
    Claude Fable 5.2 and Mythos 5.2: an honest review for working engineers

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  1. Microsoft 365 outage disrupts Outlook, Teams and Copilot for over a day — Euronews Next
  2. Anthropic expands Claude into a full workspace with Sheets, Whiteboards, Meetings and manufacturing tools — Anthropic (X)
  3. Anthropic launches self-hosted Claude Managed Agents in private beta — Anthropic (X)
  4. Microsoft's outage is in its 2nd day, and it's affecting Claude. Here's everything we know. — Business Insider AI
  5. Anthropic launches Claude Fable 5.2 and Mythos 5.2 as model race intensifies — AWS Machine Learning Blog
  6. Anthropic prepares IPO at valuation below once-touted $2 trillion — Reuters AI
  7. Mariko Mori uses Claude to create animation for retrospective 'All That Shines' — Anthropic (X)
  8. Anthropic seeks valuation of up to $1.4 trillion for IPO — The Hill Technology

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