Epoch AI Rebuilds Capabilities Index With Bayesian Model for Sharper AI Rankings

Epoch AI rebuilt its ECI leaderboard on a Bayesian model, producing tighter uncertainty bands and head-to-head probabilities between frontier models.

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2026-11-04 21:31 · AlphaSignal
Epoch Rebuilds Its ECI Leaderboard With Bayesian Stats to Sharpen AI Rankings

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