Braintrust Autoevals: CI Gates for LLM Regressions

LLM applications need a different kind of regression test. Unit tests can tell you whether a function returns a value, but they do not tell you whether an assistant quietly changed a refund action, dropped a required field, or returned valid JSON with the wrong business meaning. That gap is where evaluation tooling becomes practical engineering infrastructure instead of research theater. Braintrust frames evaluations as a way to measure AI application quality, catch regressions before productio...