LLM

A hands-on guide to building production AI agents — including the debugging nightmares, the runaway API bills, and the moment I realized my agent had been emailing customers in an infinite loop.

The unfiltered story of scaling an LLM app from 100 requests/day to 10K/hour — including the $8K surprise bill, the 3 AM outage, and the caching bug that served wrong answers to the CEO.

After helping dozens of teams pick between RAG and fine-tuning (and watching some burn $100K on the wrong choice), here's the honest framework I actually use. Spoiler: start with RAG. Almost always.

Real stories of LLM hallucinations that cost money and trust — and the layered defense system I now build into every production deployment. From the easy wins to the nuclear options.

After writing thousands of production prompts, here are the patterns that actually move the needle — and the overhyped ones that sound smart in blog posts but rarely justify their complexity.

Forget the hype — here are the 7 LLM applications I've seen deliver real ROI in production. Including the ones that sound boring but print money, and the exciting ones that don't.