prompt testing

How to Build LLM Evals That Catch Real Failures

TL;DR: The Verdict on LLM Evals A developer pastes a prompt into a playground, reads ten outputs, nods, and ships. Two days later a customer pastes a malformed product code, the model answers with a confident fabrication, and support tickets pile up. Manual spot-checking does not scale. “It looked fine in the playground” is not […]