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Laminar

Laminar is an open-source observability platform purpose-built for AI agents.

• Tracing. Docs
  • OpenTelemetry-native powerful tracing SDK - 1 line of code to automatically trace Vercel AI SDK, Browser Use, Stagehand, LangChain, OpenAI, Anthropic, Gemini, and more.
• Evals. Docs
  • Unopinionated, extensible SDK and CLI for running evals locally or in CI/CD pipeline.
  • UI for visualizing evals and comparing results.
• AI monitoring. Docs
  • Define events with natural language descriptions to track issues, logical errors, and custom behavior of your agent.
• SQL access to all data. Docs
  • Query traces, metrics, and events with a built-in SQL editor. Bulk create datasets from queries. Available via API.
• Dashboards. Docs
  • Powerful dashboard builder for traces, metrics, and events with support of custom SQL queries.
• Data annotation & Datasets. Docs
  • Custom data rendering UI for fast data annotation and dataset creation for evals.
• Extremely high performance.
  • Written in Rust 🦀
  • Custom realtime engine for viewing traces as they happen.
  • Ultra-fast full-text search over span data.
  • gRPC exporter for tracing data.