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Anthropic releases public version of Claude Mythos AI with restricted use features
Trending · Score 63
1 min readUpdated Jun 19, 2026
Drafted by AI, reviewed by the Ajako Taja Editorial Team · How we use AI

AI Summary

Anthropic has opened public access to a safety-focused version of its Claude Mythos model, though its most powerful Fable 5 iteration remains restricted following cybersecurity reviews.

  • Anthropic launched a public-facing version of its Mythos AI model on Tuesday, according to a report from The Guardian.
  • The new release allows broader access while maintaining specific restrictions on sensitive use cases.
  • Access to the company's most advanced iteration, Fable 5, remains limited due to ongoing cybersecurity concerns that have persisted for several months.

Anthropic released a restricted version of its Claude Mythos AI model to the public on Tuesday, aiming to balance accessibility with safety protocols. The company previously held back its most capable iteration, Fable 5, for months while conducting internal security audits regarding potential misuse. While the new public model is operational, the firm has reportedly placed guardrails on sensitive tasks to prevent unauthorized or high-risk activity. Whether these limitations satisfy security researchers or hinder the model's overall utility for power users remains to be seen.

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