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Version of AI tool 'too powerful for public' released to public
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Version of AI tool 'too powerful for public' released to public

BBC News · Jun 9, 2026, 5:54 PM · Also reported by 3 other sources

Key takeaways

  • A version of an artificial intelligence (AI) tool which the company said was too powerful to be released to the public has just been released to the public.
  • Claude Fable 5 is a version of Anthropic's Claude Mythos, an AI program which caused a stir among technology, finance, and government leaders when it was released privately in April for previewing and testing.
  • Some senior figures worried the tool was so powerful it could pose financial security risks, though others have questioned how much of the hype is marketing spin.

Why this matters: a developing story that could shape the day's news cycle.

Kali Hays Technology reporter Getty Images. A version of an artificial intelligence (AI) tool which the company said was too powerful to be released to the public has just been released to the public.

Claude Fable 5 is a version of Anthropic's Claude Mythos, an AI program which caused a stir among technology, finance, and government leaders when it was released privately in April for previewing and testing.

Some senior figures worried the tool was so powerful it could pose financial security risks, though others have questioned how much of the hype is marketing spin.

Article preview — originally published by BBC News. Full story at the source.
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