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News/Navigating the Alignment-Calibration Trade-off: A Pareto-Superior Frontier via Model Merging
arxiv
PublishedJuly 3, 2026 at 4:00 AM

Navigating the Alignment-Calibration Trade-off: A Pareto-Superior Frontier via Model Merging

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arXiv:2510.17426v3 Announce Type: replace-cross Abstract: The "alignment tax" of post-training is typically framed as a drop in task accuracy. We show it also involves a severe loss of calibration, making models overconfident, less reliable, and model outputs less diverse. We show that this trade-of

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