Your model migration passed. Here's what the aggregate didn't show.
75% of AI agents break working behavior over time — including across model upgrades. Dashboards show the aggregate. Statistical comparison shows what moved underneath.
2 articles
75% of AI agents break working behavior over time — including across model upgrades. Dashboards show the aggregate. Statistical comparison shows what moved underneath.
Why aggregate eval metrics hide AI agent regressions, and how statistical testing catches what aggregates miss.