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Wed, Jun 10 05:59 PM

Anthropic releases Claude Fable 5, a 'Mythos-class' AI model with safeguards

Business Insider•Tue, Jun 9, 2026, 06:13 PM•2 min read

Anthropic said it could not yet release the full Claude Mythos 5 model, so instead it created Fable 5 with baked in safeguards.

Source: [Business Insider](https://www.businessinsider.com/anthropic-claude-fable-5-mythos-class-model-release-2026-6)

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