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Averages, Elo, IRT: how composite LLM indices differ

Part 1 demonstrated that simply averaging benchmarks can push a model tested on just three easy boards higher than flagships evaluated across eighteen. Part 2 swapped this average for an IRT model instead. This final section takes a wider view. Many groups release one score to answer "how good is t…

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  1. 2026-10-22 06:45 · DEV Community — Machine Learning
    Averages, Elo, IRT: how composite LLM indices differ

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