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The AI Benchmark That's Been Lying to You — And Why Every Lab Knows It

This story is from 2026-09-04. It is preserved in the archive; the latest stories are on the live feed.

MMLU, HumanEval, ChatBot Arena — the tests we use to rank AI models are deeply flawed. Here’s exactly how, and what actually matters instead. In 2023, a model scored 90% on MMLU — the benchmark most commonly used to compare AI intelligence. Researchers celebrated. Headlines followed. Three months l…

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  1. 2026-09-04 06:06 · DEV Community — Machine Learning
    The AI Benchmark That's Been Lying to You — And Why Every Lab Knows It

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