# Epoch Finds Half of 21 Major AI Benchmarks Are Flawed

AlphaSignal, 2026-10-23. [Read the original](https://alphasignal.ai/news/epoch-finds-half-of-21-major-ai-benchmarks-are-flawed).

Epoch AI reviewed eight more benchmarks: one verified, three flawed and four without enough information. With the earlier reviews, half of 21 are flawed.