Anthropic’s Fable 5.1 is a bit cheaper, a bit smarter, and refuses a lot less

September 1, 2026 · 7:38 pm 1 sources

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• Anthropic’s Fable 5.1 is a bit cheaper, a bit smarter, and refuses a lot less
  The New Stack · September 1, 2026 19:38
  On Tuesday, Anthropic launched the latest versions of its flagship Fable and Mythos models. Anthropic promises that the updated models The post Anthropic’s Fable 5.1 is a bit cheaper, a bit smarter, and refuses a lot less appeared first on The New Stack .