Compare 7 AI tools for llm observability. Find the perfect tool with features, pricing, and honest reviews.

Open-source LLM tracing and evaluation

Trace, evaluate, and improve AI agents with one open platform. Use production data to understand behavior, collaborate on fixes, and ship better quality at lower cost and latency.
Routing and monitoring for reliable AI apps - the LLMOps platform behind the fastest-growing AI companies.

Take agents from prototype to production. LangSmith gives you the tools to build, debug, evaluate, and ship reliable agents.

Open-source observability for LLM apps
Trace and debug autonomous AI systems

Opik is an end-to-end AI observability platform designed to help developers test, ship, and continuously improve agentic systems.