Part 10: Production Evals & CI/CD for AI - The Final Checkpoint
1. The End of the “Vibe Check” Era A few years ago, the process of testing an AI system went like this: The programmer tweaks the Prompt file, types a few questions into the chatbox, skims through to see if the AI’s answer sounds reasonable (vibe check), shouts “Looks Good To Me” (LGTM), and hits Deploy to Production. In 2026, this approach is considered catastrophic. AI is a Non-deterministic system. Today it answers correctly, but tomorrow if you change just 1 word in the Prompt or switch to a new LLM version, it might hallucinate in a corner you never tested. To deploy AI for enterprise service, you must transition from intuitive testing to statistical probability testing. ...