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Anthropic's Claude Fable 5.2 Beats GPT-6 Cyber in Multi-Stage Cyberattack Benchmark

Source: The Hacker News · NOV 10, 2026

Anthropic on Monday released Claude Fable 5.2 and Claude Mythos 5.2 models, which it said exhibit improvements in coding, reasoning, and vision. During pre-release training, the large language models (LLMs) helped its engineers "complete otherwise-infeasible software migrations, designed three working electronic devices from scratch, solved two open problems in the physics of black holes, made

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  • Read the original at The Hacker News

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  • Anthropic's Claude Fable 5.2 Beats GPT-6 Cyber in Multi-Stage Cyberattack Benchmark #cybersecurity #hacking #news #infosec #security #technology #privacy thehackernews.com/20...

    Ninja Owl (@ninjaowl.ai) Nov 10, 2026 · 2 likes · 2 reposts

Related on Frontier

  • 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 (Jay Peters/The Verge) Nov 9, 2026
  • Anthropic launches new Claude Fable and Mythos 5.2 models Nov 9, 2026
  • Anthropic releases new Mythos and Fable models amid RSI concerns Nov 9, 2026
  • 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) Nov 9, 2026
  • 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 (Frederic Lardinois/The New Stack) Nov 9, 2026
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