7 Common Prompt Engineering Mistakes Beginners Make in 2025

The Biggest Mistakes People Make When Prompting an AI

The Biggest Mistakes People Make When Prompting an AI

Updated September 30, 2026 · About 20 minutes · Beginner to advancedShort answer. To test a prompt: write down what a passing output looks like, run the prompt against a fixed set of inputs, score every output with a rule…