WhyLabs

Full-stack LLM observability platform for monitoring, alerting, and evaluating production AI apps.

Overview

WhyLabs provides comprehensive monitoring for LLM applications, tracking latency, cost, token distribution, and output quality over time. Its platform supports custom evaluation metrics, drift detection for prompt/output patterns, and integrations with major model providers for unified observability.

Best for

• production LLM monitoring
• cost and latency tracking
• quality drift detection

Trade-offs

What XeroHack pre-wires

When you pick WhyLabs in the interview, the engine emits these files into your scaffold:

• OpenTelemetry collector setup
• pre-built LLM cost & latency dashboards