Metrics.md

SentinelAI — Performance & Evaluation Metrics

Drift Detection Metrics

Metric	Description
PSI	Population Stability Index
KS Statistic	Kolmogorov-Smirnov test
Drift Threshold	Configurable alert threshold

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Model Performance

Metric	Value
Precision	TBD
Recall	TBD
ROC-AUC	TBD
F1 Score	TBD

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LLM Monitoring

Metric	Description
Hallucination Score	Confidence-based hallucination probability
Token Usage	Tokens per request
Latency	Response time per inference

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Infrastructure

Metric	Description
P95 Latency	95th percentile response time
Throughput	Requests per second
Cost per 1k requests	Cloud compute estimate

Performance Benchmarks

Component	Metric	Result
C++ Drift Engine	PSI calculation time	< 2ms
Go Ingestion API	P95 latency	180ms
LLM Guard	Avg summarization time	1.2s
Throughput	Requests/sec	150 RPS
Docker container startup	Cold start	< 3s