What Boris Cherny thinks about neural networks

@boris-cherny · 35 positions · On ppll ↗

Creator of Claude Code at Anthropic.

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Only Boris Cherny on neural networks. See everyone on neural networks

1 dated position, 2026, in their own words. Our reading of what Boris Cherny has said — not written or endorsed by them.

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1. 27 Jul 2026

   Our readingPrompt injection can be caught by watching the neurons that fire when it happens, so a defence no longer depends on the model reporting the attack.

   prompt injection

   Their wordsit's it's literally we're looking at neurons in the model's brain that light up when prompt injection happens. So the model won't even tell you but we can actually see those neurons and we can figure out and diagnose that it's happening. And then you combine that with the auto mode classifier and with these three layers we just cannot demonstrate prompt injection anymore.

   ↗Boris Cherny: We Cut 80% of Claude Code's Promptyoutube.com 2nd of 20 in this recording