# Confidence Comes from Experience: Experiential Confidence Estimation from Reasoning to Agents > Source: > Published: 2026-09-17 08:30:26+00:00 Reliable confidence estimation is increasingly central to the trustworthy deployment of language models: a calibrated estimate of the probability that an output is correct decides what to ship, what to escalate, and what to retry. Existing confidence estimators, however, share one design premise: th