Verifiers and honest evaluation: pass@k, error bars and cost
Measure reasoning properly: the unbiased pass@k estimator (runnable), confidence intervals on small benchmarks, contamination and overfitting to the test set, reporting cost per problem, and a checklist for claims you can defend.
17 min·Verified 2026-11Pro+50 XP
Reasoning results are easy to over-claim. Small benchmarks, lucky sampling, lenient parsers and leaked test data all inflate numbers. Here is the measurement toolkit.
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