Best AI Observability Tools in 2026
Compare the best AI observability tools for monitoring LLM performance, tracing requests, controlling costs, and detecting anomalies in production.
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🏆 Our Top Picks
Curated by task performance scores across 10 dimensions
Trace, debug, and deploy reliable AI agents and LLM apps.
Highest average across all task scores. Best for Debugging and auditing AI agent behavior for developers & Monitoring LLM application performance and costs for engineers.
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The platform for agent engineering
Free tier available. Best value for zero cost.
View LangSmith →Trace, debug, and deploy reliable AI agents and LLM apps.
The platform for agent engineering
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