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AI Benchmarks

A benchmark score is a marketing number until you know what it measures. These articles decode the popular AI benchmarks and show why boards should not read a leaderboard as proof of safety or fitness.

All AI Benchmarks Posts (11)

Frequently asked questions

What do AI benchmarks like MMLU, GSM8K and HumanEval actually measure?

MMLU tests multiple-choice knowledge across academic subjects, GSM8K tests grade-school maths word problems, and HumanEval tests whether generated code passes a set of unit tests. Each measures performance on one narrow, fixed task under test conditions. None of them tells you how the model behaves on your data, with your users, or under adversarial pressure.

Why isn't a high benchmark score proof that an AI model is good for my use case?

Benchmarks use fixed public datasets, so scores can be inflated by data leakage into training, and they rarely match your real inputs, edge cases or safety requirements. A model can top MMLU and still fail badly on your specific documents or produce unsafe answers. That's why assurance frameworks like the NIST AI RMF treat benchmarks as one signal, not the decision.

What's benchmark contamination and why does it matter?

Benchmark contamination is when the questions and answers from a public test set have leaked into a model's training data, so the model has effectively seen the exam beforehand. It inflates scores without any real gain in capability, which makes cross-model comparisons unreliable. It's a core reason a leaderboard position shouldn't stand in for your own evaluation on private data.

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