Build Your Eval Harness: catching AI regressions before customers do
blaizedsouza · x · 2026-10-29
AI teams ship constantly—new models, tools, prompt edits—and each change can fix one bug while quietly breaking another. Part 2 of the author's evals & tracing guide explains how engineers, QAs, and PMs can build an eval harness to regression-test every change: after the first eval works, teams hit a second wall, and a harness tells you what broke before a customer does.
Related event: Guide on Building an Eval Harness for AI Teams Gains Traction(2 posts)→
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