LangSmith

Unified observability and evaluation platform for debugging, testing, and monitoring AI applications.

Development ToolsFreemium
4.8 (5643 reviews)
Visit Website

Key Features

  • Comprehensive tracing
  • LLM-as-Judge evaluators
  • Live dashboards
  • Human feedback collection
  • Zero-latency monitoring
  • Production trace analysis

Pros

  • No latency impact
  • Comprehensive evaluation tools
  • Strong enterprise adoption
  • Detailed debugging capabilities

Cons

  • Learning curve for features
  • Pricing scales with usage
  • LangChain ecosystem focused

Use Cases

Best For:

Production AI monitoringTeam collaboration on AIPerformance optimization

Not Recommended For:

Simple applicationsSolo developers on budgetsNon-LLM applications

Recent Reviews

John Developer
2 weeks ago

Excellent tool that has transformed our workflow. The API is well-documented and easy to integrate.

Sarah Tech
1 month ago

Great features but took some time to learn. Once you get the hang of it, it's incredibly powerful.

Mike Business
2 months ago

Best investment for our team. Increased productivity by 40% in just the first month.