Anthropic says Claude Opus 5 was intentionally left untrained on cyber tasks

rez0__ · x · 2026-07-25

Anthropic says Claude Opus 5, like its predecessor Opus 4.8, was intentionally not trained on cyber tasks. The post highlights a deliberate safety/behavior choice in how the model was trained.

Related event: Anthropic Releases Claude Opus 5: SOTA Performance at Half the Price(128 posts)→

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