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Anthropic releases Claude Fable 5.2 and Mythos 5.2, its most capable models to date

Anthropic launched Claude Fable 5.2 and Claude Mythos 5.2, its two most capable large language models, with Fable 5.2 offering faster output and higher technical benchmark scores while Mythos 5.2 remains limited to verified groups.

Read the full story at Anthropic (X) ↗

Timeline · 45 reports

  1. 2026-11-10 00:21 · AWS Machine Learning Blog
    How skills and agents work in AWS Quick
  2. 2026-11-10 00:21 · AWS Machine Learning Blog
    How skills and agents work in AWS Quick | Amazon Web Services
  3. 2026-11-10 00:08 · SiliconANGLE AI
    Anthropic launches Fable 5.2 and Mythos 5.2 with science, coding upgrades
  4. 2026-11-09 22:40 · DEV Community — AI
    Claude Fable 5.2 & Mythos 5.2: The AI Models That Cut Your Lab Time in Half
  5. 2026-11-09 22:32 · TestingCatalog AI News
    Anthropic launches Claude Fable 5.2 and Mythos 5.2
  6. 2026-11-09 22:20 · CNET AI
    Anthropic Introduces New Fable 5.2 and Mythos 5.2 AI Models
  7. 2026-11-09 21:57 · DEV Community — Machine Learning
    Anthropic releases Mythos and Fable models
  8. 2026-11-09 21:55 · CNBC Technology
    Anthropic releases first frontier models since Amodei’s call for slowdown
  9. 2026-11-09 21:53 · DEV Community — AI
    Anthropic Just Launched Claude Fable 5.2 and Mythos 5.2: 30% Faster, Cheaper, and Built for the Hardest Technical Work
  10. 2026-11-09 21:27 · Mashable AI
    Anthropic announces Claude Fable 5.2 and Mythos 5.2. Theye already solved black hole physics problems.
  11. 2026-11-09 21:22 · AlphaSignal
    Anthropic's Claude Fable 5.2 Beats GPT-6 Astra With a Rare Five-Point Jump
  12. 2026-11-09 21:22 · The Information AI
    Anthropic Releases New Frontier Models as IPO Nears
  13. 2026-11-09 21:18 · Anthropic (X)
    During pre-release testing, Claude Fable 5.2 and Claude Mythos 5.2 worked on ambitious projects in many different fields
  14. 2026-11-09 21:15 · The Decoder
    Claude Fable 5.2 and Mythos 5.2 cement Anthropic's AI lead just before its IPO
  15. 2026-11-09 21:02 · Fortune AI
    Anthropic debuts Claude Fable, Mythos 5.2 models, priced 20% below OpenAI's GPT-6 Astra
  16. 2026-11-09 21:02 · Fortune AI
    Anthropic debuts Claude Fable, Mythos 5.2 models, priced 20% below OpenAI’s GPT-6 Astra
  17. 2026-11-09 20:45 · Reuters AI
    Anthropic unveils new Fable, Mythos models as competition heats up ahead of IPO
  18. 2026-11-09 20:41 · r/singularity
    Claude solved two unsolved problems in black-hole physics: settling a 23-year-old question about whether black holes form suddenly in models of tiny universes, and discovering the exact limits of a 15-year-old method physicists use to rule out theories of quantum gravity.
  19. 2026-11-09 20:40 · TechXplore AI & ML
    Anthropic launches powerful new models ahead of Wall Street debut
  20. 2026-11-09 20:04 · AWS Machine Learning Blog
    Introducing Claude Fable 5.2 on AWS
  21. 2026-11-09 20:04 · AWS Machine Learning Blog
    Introducing Claude Fable 5.2 on AWS | Amazon Web Services
  22. 2026-11-09 20:00 · Techmeme
    Anthropic prices Fable 5.2 and Mythos 5.2 at $8/1M input and $40/1M output tokens, down 20% from 5.1; fast mode costs $16/1M input and $80/1M output tokens
  23. 2026-11-09 19:55 · VentureBeat AI
    Anthropic releases Claude Fable 5.2 and Mythos 5.2, pairing new, record-high benchmarks with 20% API cost reduction
  24. 2026-11-09 19:52 · AlphaSignal
    Cursor's Claude Fable 5.2 Tops CursorBench at 60% With 20% Cheaper Tokens
  25. 2026-11-09 19:24 · TechCrunch AI
    Anthropic releases new Mythos and Fable models amid RSI concerns
  26. 2026-11-09 19:22 · CNBC Technology
    Anthropic unveils updated Fable, Mythos frontier models ahead of anticipated IPO
  27. 2026-11-09 19:22 · The Next Web
    Anthropic launches Claude Fable 5.2 and Mythos 5.2, and cuts Fable’s price
  28. 2026-11-09 19:20 · r/ClaudeAI
    Claude Fable 5.2 builds an operating system from scratch
  29. 2026-11-09 19:20 · Anthropic (X)
    Fable 5.2 is now available in the Claude Platform and Claude Code
  30. 2026-11-09 19:17 · France 24 — Artificial Intelligence
    Anthropic launches powerful new models ahead of Wall Street debut
  31. 2026-11-09 19:17 · Anthropic (X)
    Introducing Claude Fable 5.2 and Claude Mythos 5.2, designed to tackle the most daunting technical challenges
  32. 2026-11-09 19:17 · Anthropic (X)
    Claude Fable 5.2 and Claude Mythos 5.2 are available now
  33. 2026-11-09 19:16 · Barron's
    Anthropic Launches Powerful New Models Ahead Of Wall Street Debut
  34. 2026-11-09 19:15 · Techmeme
    Anthropic says during prerelease testing Mythos 5.2 and Fable 5.2 formalized the proof of Fermat's Last Theorem and solved two open black hole physics problems
  35. 2026-11-09 19:09 · AlphaSignal
    Anthropic's Claude Fable 5.2 Tops Cognition's Coding Benchmark at a Third of the Cost
  36. 2026-11-09 19:08 · The New Stack AI
    Anthropic launches Fable 5.2 with a price cut and stronger coding scores
  37. 2026-11-09 19:08 · AlphaSignal
    Anthropic's Claude Fable 5.2 Tops 36 Models but Max Reasoning Backfires
  38. 2026-11-09 19:02 · Techmeme
    Anthropic releases Mythos 5.2 and Fable 5.2, saying they are "best for the most ambitious, open-ended technical work", with outputs up to 30% faster than 5.1 (Anthropic)
  39. 2026-11-09 19:00 · Bloomberg AI
    Anthropic Unveils New Fable, Mythos AI Models Ahead of IPO
  40. 2026-11-09 19:00 · CNBC Technology
    Anthropic releases first frontier models since Amodei's call for slowdown as IPO buzz builds
  41. 2026-11-09 19:00 · The Verge AI
    Anthropic launches new Claude Fable and Mythos 5.2 models
  42. 2026-11-09 18:59 · r/singularity
    Introducing Fable 5.2 and Mythos 5.2
  43. 2026-11-09 18:57 · AlphaSignal
    Anthropic's Claude Fable 5.2 Builds a Working OS From an Empty Folder
  44. 2026-11-09 18:56 · Hacker News Front Page
    Claude Fable 5.2 and Mythos 5.2
  45. 2026-11-09 00:00 · Vercel Blog
    Claude Fable 5.2 now available on AI Gateway

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