20 System-Level Metrics

The KPIs that keep your AI honest, fair, and reliable

Business KPIs measure outcomes. System KPIs measure the engine underneath. Is the model accurate? Is it fair? Does it stay up? Do people actually trust it? These 20 metrics answer those questions before a production failure answers them for you.

Is the model getting the right answers?

Performance metrics are the foundation. If accuracy is low, nothing else matters — your AI is making wrong decisions at scale. But accuracy alone isn't enough. You need to know if the model is stable over time (drift), resilient to adversarial inputs (robustness), and can recover quickly when things go wrong.

The question to ask yourself

If model accuracy dropped 5% overnight, how long would it take you to notice?

Accuracy Score

Overall correctness of model predictions

Target

>95%

Frequency

Weekly
Measured via: Test set evaluation
Precision-Recall Balance

Trade-off between precision and false positives

Target

F1 Score >0.90

Frequency

Weekly
Measured via: Precision-recall curve analysis
Robustness Score

Performance stability under adversarial inputs

Target

<5% degradation

Frequency

Monthly
Measured via: Garak vulnerability testing
Drift Detection Rate

Identification of performance decay over time

Target

<2% monthly drift

Frequency

Daily
Measured via: Distribution monitoring
Recovery Time

Time to restore performance after drift

Target

<24 hours

Frequency

Per incident
Measured via: System logs

Implementation playbook

How to operationalize these metrics — not just track them

Start with baselines, not targets

Run your AI system for 2–4 weeks before setting hard targets. Arbitrary thresholds create false alarms or false confidence.

Automate collection from day one

Manual metric collection doesn't scale and introduces lag. Instrument your pipeline to emit metrics as a side effect of every prediction.

Build dashboards with thresholds

A metric without a threshold is decoration. Set green/amber/red bands and wire alerts for amber. Don't wait for red.

Correlate across categories

Fairness problems often surface as user satisfaction drops. Performance drift shows up as incident spikes. Connect the dots.

Review and recalibrate quarterly

Business needs change, data distributions shift, user expectations evolve. A target set 6 months ago may no longer make sense.

Make metrics visible to stakeholders

System KPIs shouldn't live in an engineering wiki. Surface them alongside business KPIs so leadership understands the full picture.

The metrics you don't track will hurt you

Most teams track accuracy and call it done. Then a fairness audit reveals demographic bias. Or an operational blind spot means a model has been serving stale predictions for weeks. System KPIs aren't about perfection — they're about catching problems before your users, regulators, or the press catch them for you.

See system KPIs in action

The AI Ops Dashboard shows live metrics — MTTR, accuracy, adoption rates, and incident tracking — in the format these system KPIs are designed to feed.