#monitoring

Quality regressions are silent killers. Users notice before your metrics do. Automated regression detection catches drops before they become incidents.

Latency, errors, throughput, cost. The four numbers that tell you if your LLM system is healthy or heading for an incident.

nvidia-smi says 90% utilization. Actual compute is 30%. Here's what GPU utilization really means and what to measure instead.

Model latency is 200ms. End-to-end latency is 800ms. Where did 600ms go? Probably somewhere you're not looking.

Median latency is 200ms. One in a hundred requests takes 8 seconds. Your dashboard shows green. Your users are churning.

By the time you see the invoice, the damage is done. Real-time spend monitoring catches runaway costs before they compound.

Your LLM bill is one number. Your product has twenty features. Without cost attribution, you're optimizing in the dark.