OpenBench audit: PostTrain Bench only benchmark with no grading errors or reward hacks

maksym_andr · x · 2026-11-10

OpenBenchReview's audit of benchmarks found only one that passed: PostTrain Bench. Across its 24 tasks, reviewers found no grading errors affecting the score and no reward hacks in the top unflagged run. The sharer notes PTB is the only "verified" RSI-related benchmark so far.

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