CORE KPI METRICS OF LLM PERFORMANCE AND HOW TO TRACK THEM

Summary from the TLDR Web Dev newsletter

Good LLM KPIs should provide directional signals tied to product outcomes across three key areas: reliability, cost efficiency, and user experience. This article goes over 10 core metrics to track, including agent traffic volume, LLM generation counts by model, and other performance indicators that help quickly surface issues like token spikes, slow responses, or model failures before they impact users.