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AI agents perform brain surgery on mouse in gene therapy experiment

AI agents running on Claude Sonnet 5 controlled a motorized surgery rig to perform brain surgery on a mouse, treating epilepsy with gene therapy vectors; the mouse reportedly recovered. Reports say Opus 5.5 refused to run the experiment.

Read the full story at r/ClaudeAI ↗

Timeline · 4 reports

  1. 2026-10-31 12:00 · Tom's Hardware
    AI agent used to perform controversial brain surgery on a mouse, Anthropic Sonnet controlled motorized surgery rig
  2. 2026-10-31 12:00 · Tom's Hardware
    AI agent used to perform controversial brain surgery on a mouse, Anthropic Sonnet-controlled motorized surgery rig — Opus 5.5 refused to conduct biological experiment, Sonnet given free rein to treat epilepsy with a range of gene therapy vectors after
  3. 2026-10-29 22:35 · r/singularity
    AI agents (run by Claude Sonnet 5) did brain surgery on a mouse [Spoilers: it recovered]
  4. 2026-10-29 21:56 · r/ClaudeAI
    AI agents (run by Claude Sonnet 5) did brain surgery on a mouse [Spoilers: it recovered]

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