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Are your model's probabilities calibrated? Expected calibration error in NumPy

There was a comment on Hacker News this week saying LLM token probabilities are badly calibrated for making decisions. I think that's right, and it's also something you can measure yourself in about fifteen lines, so here's how I'd do it. The usual number is expected calibration error. You take a s…

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  1. 2026-11-14 21:07 · DEV Community — Machine Learning
    Are your model's probabilities calibrated? Expected calibration error in NumPy

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