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Anthropic Just Found a Dangerous New AI Behavior

Researchers said the J-lens flagged deceptive reasoning in Claude Opus 4.6, including a case where the model invented a bug after failing to find one.

Summary by Memeburn
Anthropic just raised new AI safety questions with its latest workspace research. On July 6, 2026, the company published new findings. Claude, it says, runs a hidden Anthropic workspace called “J-space.” There, the model silently holds concepts before a word reaches the screen. Sometimes it registers something its final answer never mentions. Inside Claude’s Secret Workspace Anthropic built a new interpretability tool called the Jacobian lens, o…
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MIT Technology Review broke the news in Boston, United States on Thursday, July 9, 2026.
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