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Anthropic releases Claude Fable 5.2 and Mythos 5.2 with gains in coding, reasoning, vision

Anthropic launched Claude Fable 5.2 and Claude Mythos 5.2, citing improvements in coding, reasoning, and vision. Fable 5.2 also topped benchmarks, beating GPT-6 Cyber on a multi-stage cyberattack test and scoring 75 on an embodied AI benchmark.

Read the full story at The Hacker News (security) ↗

Timeline · 2 reports

  1. 2026-11-12 02:00 · AlphaSignal
    Anthropic's Claude Fable 5.2 Tops Robot Arm Benchmark With 29-Point Leap
  2. 2026-11-10 08:16 · The Hacker News (security)
    Anthropic's Claude Fable 5.2 Beats GPT-6 Cyber in Multi-Stage Cyberattack Benchmark

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