Sys1Cal-v1 Dataset for LLM Probability Calibration
September 27, 2026
Sys1Cal-v1 is a new benchmark designed to evaluate the numerical accuracy of probability distributions in System One Models. It uses True/False questions with known probabilities to measure total variation distance from ground truth.
HOW THIS AFFECTS YOU
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builderYou can better assess the reliability of structured decision-making models in production.
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researcherThis provides a rigorous way to move beyond simple confidence scoring toward true calibration testing.