The Must-Know Topics for an LLM Engineer

# What Non-Techies Need to Know About Building Language Models If you're hiring or working with AI teams, here's what matters: the people building AI systems like ChatGPT need to understand how text gets broken into chunks the computer can process (tokenization), how the models learn from data, and most importantly, how to test whether these systems actually work well in the real world. You don't need to know *how* they do these things, but understanding that these three areas exist—input preparation, training, and quality checking—helps you have smarter conversations about why an AI project succeeds or fails.