Stop Vibe-Checking Your AI App: A Practical Guide to Evals
Dev.to AI
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Generative AI
AI Tools
Most AI s look great on Friday afternoon. You try five prompts. The model answers smoothly. The summary is crisp. The chatbot sounds helpful. The extraction workflow pulls the right fields out of the sample PDF. Everyone nods. Someone says, "This is basically ready." Then real users arrive. They upload documents with weird formatting. They use company slang your test prompts never included. They click "regenerate" six times. They get a beautifully formatted answer that is completely wrong.