Claude

Nobel laureate and AI crack decade-old physics proof

A mathematical conjecture that stumped physicists for more than ten years has been proven through an unlikely collaboration between two theoretical physicists and an AI system. The paper, published July 1 in the Journal of Statistical Mechanics: Theory and Experiment,…

  • 2 mins

Anthropic launches Claude Sonnet 5 as default model

Anthropic released Claude Sonnet 5 on Tuesday, making it the new default model across Free, Pro, Max, Team, and Enterprise plans. The model replaces Sonnet 4.6 and is designed to deliver near-flagship performance at a fraction of the cost of…

  • 2 mins

Anthropic apologizes for secretly limiting Claude Fable 5

Anthropic acknowledged it "made the wrong tradeoff" with the safety restrictions on its newly released Claude Fable 5 model, reversing a controversial policy that secretly degraded the AI's performance when it detected users working on frontier AI development. The apology,…

  • 2 mins

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