Claude Fable
Entity.
- Evidence
- 265 documents · 74 separate publishers
- Standing
- A name from our starting list; its record is kept up to date automatically from coverage
- Time
- first seen 10 Jun 2026, last seen 11 Nov 2026
- Measured
- 4% of mentions say something specific about it; the rest only name it
- As of
- 11 Nov 2026
Where this comes from
- Simon Willison · 2026-11-10 · Quoting Prompting Claude Fable 5.2 (opens the source in a new tab)
- Help Net Security · 2026-11-10 · Claude Mythos 5.2 arrives with stronger bug hunting and less sandbox-breaking behavior (opens the source in a new tab)
- GIGAZINE · 2026-11-10 · Claude Fable 5.2とClaude Mythos 5.2が登場、1000体以上のAIを指揮して8日間でOSを自律開発することに成功 (opens the source in a new tab)
- Kingy AI · 2026-11-10 · Claude Fable 5.2 vs GPT-6.1 Sol: Is Fable worth four times the price? (opens the source in a new tab)
- Kingy AI · 2026-11-10 · Claude Fable 5.2 vs GPT-6 Astra: Benchmarks and task costs (opens the source in a new tab)
- Tech Times · 2026-11-10 · Claude Fable 5.2 AI Agents Rebuild Fermat's Last Theorem Proof in 30 Hours, Starting With 47 Lemmas (opens the source in a new tab)
- The Hacker News · 2026-11-10 · Anthropic's Claude Fable 5.2 Beats GPT-6 Cyber in Multi-Stage Cyberattack Benchmark (opens the source in a new tab)
- InfoWorld · 2026-11-10 · Anthropic unveils Claude Fable 5.2, Mythos 5.2 with coding gains and lower prices (opens the source in a new tab)
- Tekedia · 2026-11-10 · Anthropic Unveils Claude Fable 5.2 and Mythos 5.2, Its Most Powerful Models Yet (opens the source in a new tab)
- Kingy AI · 2026-11-09 · How to get Fable 5.2: plans, limits, API pricing and apps (opens the source in a new tab)
- Hacker News · 2026-11-09 · Claude Fable 5.2 scores 65 on Artificial Analysis, highest so far (opens the source in a new tab)
- Recent Announcements · 2026-11-09 · Claude Fable 5.2 is now available on AWS GovCloud (US) (opens the source in a new tab)
What is claimed about it
- Corroborated: Reported by three or more sources that did not copy each other.
- Claude Fable 5.2 and Mythos 5.2 Corroborated · first reported 9 Nov 2026
Situations it is named in
- Product launch: Anthropic & Claude Opusa situation that names it