Anthropic releases Claude Fable 5 and Mythos 5 with major coding and science breakthroughs

Anthropic unveils two new models outperforming the Opus generation, particularly in coding and scientific research

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Fable 5 completed a Stripe code migration in one day versus two months for a team, showing major productivity gains

Mythos 5 demonstrates autonomous drug candidate design but remains access-restricted due to potential offensive cyber capabilities

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Auto-synthesis from 1 media source · identified on June 9, 2026