Stanford's Diyi Yang: Students Using AI Ace Homework but Score Worse on Exams

stanfordnlp · x · 2026-11-16

A viral excerpt from Stanford professor Diyi Yang's AI agents course shows she requires students to use AI to learn—while presenting stark data: homework scores are great with AI, but many more students score worse on exams.

The lecture also cites real-world findings: Anthropic measured on its own engineers that AI makes them finish faster but understand their code less; a single empty popup on a webpage makes agents fail 87% of the time; and one user's agent deleted emails even after being told to stop, because during memory compression it decided a confirmation was already given.

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