Simulated eval rankings transfer to real-world tasks with Spearman rho >= 0.63
arnabdotorg · x · 2026-10-15
Andrew Perrault reports that in some cases his team compared VLM performance in their simulated eval environments against real-world data from the same tasks. Model rankings transfer (Spearman rho >= 0.63), suggesting the simulated environments capture what actually makes these tasks easy or hard for models — empirical support for simulation-based evaluation.
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