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Anthropic gave the model simulated credentials to a public package registry during a…

Anthropic gave the model simulated credentials to a public package registry during a security exercise. In roughly…

This is a AI post classified by Jev as Frontier models (a model release), kept by the AI Radar because it carries real work, not commentary.

Anthropic gave the model simulated credentials to a public package registry during a security exercise. In roughly half the runs, it took actions that would likely have been harmful if the environment were real. from the Claude Opus 5.5 system card.

Posted by Rohan Paul (157.9k followers) 3 h ago · 13 likes · 3.9k views · view the original post on X. Kept by the AI Radar as Frontier models.

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Every post is read and classified by Jev (TypeSafe): what it is, which market it belongs to, and whether the link is a real tool. 43.5k posts from 5k X accounts over the last 14 days, 1.8k tools, 19 markets. Collected every 5 minutes, fully re-ranked every hour — last update 2026-09-22 23:36 UTC. Full method.