Hamel Husain: BenchGate is pervasive — look at failing traces in any public benchmark

HamelHusain · x · 2026-10-21

AI engineer Hamel Husain warns that 'BenchGate' — quality problems in public LLM benchmarks — is still pervasive: pull up a handful of traces from failing tests in almost any public benchmark and you'll be shocked. Quoting a tool for browsing MMLU, he doubts people would 'knife fight for a percent' on this benchmark if its actual contents were widely known.

Original post →

More from Research

Research channel →