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ARC-Challenge + HellaSwag
Two classic saturated benchmarks — ARC tests grade-school science reasoning (2,590 questions), HellaSwag tests commonsense sentence completion (10,000+ questions). Both exceeded by frontier models at ~95–98% accuracy.
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This entry was added by an automated crawl and hasn't been curated yet. Once it's reviewed and promoted into the bundled set, you'll see task anatomy, examples, scores, and richer context here.