LangSmith

AI Platforms

Code Development

Vector Databases & Memory

LLM observability and evaluation platform from LangChain. Debug, test, and monitor AI agents and chains. Trace every step of agent execution, evaluate outputs with custom criteria, and track performance over time. Essential for production AI applications.

Why Use LangSmith

Best observability tool for LangChain and LLM applications. See exactly what your agents are doing with detailed traces. Test prompts and chains with evaluation datasets. Compare model performance. Track costs and latency in production. Identify issues before they reach users. Free tier available.

Use Cases for Builders

Practical ways to use LangSmith in your workflow

Debug complex agent workflows with step-by-step traces
Evaluate LLM outputs against test datasets automatically
Monitor agent memory retrieval and tool usage in production
Compare prompt variations and model performance
Track API costs, latency, and error rates over time

Similar Tools

Other tools in similar categories or from LangChain

Vector Databases & Memory

Open-source framework for building LLM applications with memory management, conversation buffers, and retrieval chains. Integrates with every major vector database and LLM provider. Includes LangSmith for debugging and monitoring agent memory.

Vector Databases & Memory

Data framework for building LLM applications with agent memory, RAG pipelines, and structured data ingestion. Connects LLMs to external data sources with support for 160+ integrations. Provides query engines, chat engines, and agentic workflows out of the box.

Vector Databases & Memory

Managed vector database built for AI applications with serverless deployment, hybrid search, and real-time updates. Scale from prototype to billions of vectors with sub-100ms query latency. Multi-cloud support with AWS, GCP, and Azure.

Azure AI Foundry

Enterprise AI platform for building and deploying agents at scale. Multi-agent orchestration with Agent Service. Comprehensive observability for performance, cost, quality, and safety. Entra Agent ID assigns unique identities to agents. Model catalog with OpenAI, Meta, Mistral, Cohere.

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