Revisiting 50 LLM findings: 44% expired within 15 months, only 6% strengthened

james_y_zou · x · 2026-11-03

A new study revisits 50 published LLM research findings to see how long AI knowledge holds up: within 15 months of publication, 44% of claims expired, 34% substantially weakened, only 16% persisted, and just 6% grew stronger — implying an extremely short half-life for empirical LLM results.

Related event: Stanford Retests 50 LLM Research Findings: 44% Fade Within 15 Months(2 posts)→

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