DeepInspect vs WhyLabs: Open-Source Observability and Runtime Enforcement
WhyLabs was an ML and LLM observability platform built on statistical profiling, maker of whylogs and LangKit. The company wound down its hosted service in early 2025 and open-sourced the platform. DeepInspect is a proxy that decides whether a model call proceeds based on identity and records the decision. This is an honest read on what WhyLabs is now and where runtime enforcement fits.