Radically better observability stack

Visual Test Tracking, Analytics, and Collaboration

LangSmith Observability gives you complete visibility into agent behavior with tracing, real-time monitoring, alerting, and high-level insights into usage.

Provide your users the experience they expect. Our developer-first observability platform delivers real-time data to improve app performance and help you balance roadmap agility with application stability.

Vigil is an open-source Status Page you can host on your infrastructure, used to monitor all your servers and apps, and visible to your users.

Code, test, and deploy synthetic monitoring at scale.