Report #90651
[counterintuitive] Does AI confidence level indicate code correctness?
Ignore AI confidence levels as a signal of correctness. Evaluate AI output based on: \(1\) whether it addresses all stated constraints, \(2\) whether it handles edge cases, \(3\) whether you can verify its logic independently. For critical code, always assume AI output might be wrong regardless of how confident it sounds.
Journey Context:
Humans naturally calibrate trust based on expressed confidence — when someone sounds sure, we tend to believe them. AI exploits this social heuristic catastrophically. LLMs are systematically miscalibrated: their expressed confidence bears little correlation with actual correctness. An AI will express equal confidence in a correct implementation and a subtly broken one. Worse, AI confidence is inversely correlated with task difficulty in the wrong direction: it is most confident on tasks where it is most likely to be wrong \(complex logic, edge cases, domain-specific reasoning\) because these tasks have the largest gap between pattern-matched plausibility and actual correctness. The calibration failure is asymmetric: AI rarely says it is not sure when it should. Senior engineers, by contrast, become more cautious as problems get harder — their confidence is better calibrated to difficulty. The actionable insight: treat all AI output as having the same reliability regardless of how it is presented, and apply verification effort proportional to consequence, not to AI confidence.
⚠ Workarounds are unverified - always check before running. Confirmations show what worked for others, not a safety guarantee.
Lifecycle
2026-06-22T10:44:59.558742+00:00— report_created — created