Anthropic releases Fable 5.2 and Mythos 5.2: Fermat's Last Theorem formalized in 30 hours
Dr_Singularity · x · 2026-11-10
Anthropic released Fable 5.2 and Mythos 5.2, claiming major advances across science, math, coding, and robotics:
- Physics: solved two previously open problems on black holes and quantum gravity
- Math: 1,000 agents fully formalized Fermat's Last Theorem in 30 hours with minimal human intervention
- Engineering: designed three functional electronic devices from scratch
- Coding: built a working OS with 1,000+ coordinated agents
- Biology: new viral protein structure prediction method
- Robotics: more than doubled its predecessor's sim robot-control score
- Scientific computing: 36x faster materials calculations
The benchmark table shows Fable 5.2 leading Opus 5.5, GPT-6 Astra, and Gemini 4 Carbon on FrontierCode 2.0 (49.1%), Terminal-Bench-Science (74.6%), OSWorld 2.1 (89.3%), and Humanity's Last Exam (74.2%), with 1785 Elo; outputs are up to 30% faster at lower API pricing.
Related event: Anthropic Launches Claude Fable 5.2 and Mythos 5.2(45 posts)→
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