Llm Quality

Prompt testing is usually treated as an afterthought—until a model upgrade breaks a production workflow. PromptEngineer.xyz™ treats testing as a first-class product surface. The testing suite in this article is built to be visible, repeatable, and shareable through QR-coded social cards. That way, anyone evaluating the domain can scan a code, open the post, and see the same tests that keep prompts stable. What to measure before a prompt ships A prompt testing suite should capture more than generic accuracy. For PromptEngineer.xyz™, the suite covers: