WhyLabs

AI observability platform for monitoring ML models and LLMs using statistical profiling and data logging. Key differentiator was privacy-preserving monitoring via whylogs, an open standard for lightweight data logging that computes statistical profiles without storing raw data. Best suited for teams needing drift detection, data quality monitoring, and LLM security guardrails. Note: WhyLabs has discontinued operations; the platform and tools (whylogs, langkit) are now fully open source.