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LangSmith

8.9Verified

LangSmith is LangChain's platform for debugging, testing, evaluating and monitoring LLM applications, with tracing, datasets and evaluations for shipping reliable AI in production.

Developer ToolsFreemiumFree Tier AvailableAdvancedAI Platform
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Overview

LangSmith is LangChain's platform for debugging, testing, evaluating and monitoring LLM applications, with tracing, datasets and evaluations for shipping reliable AI in production.

LangSmith is a freemium ai platform built for developers, enterprises. It supports function calling, streaming. A developer API is available for integrations. It is cloud. It holds a rating of 8.9/10 on FindurAI.

Best For

Tracing and evaluation for LLM apps

DevelopersEnterprises
Pricing
Freemium
Free plan
Available
Developer API
Available
Mobile app
Not available

Key Features

LangSmith's core feature set includes end-to-end tracing, datasets and evaluations, prompt playground, and production monitoring.

More About LangSmith

LangSmith is most commonly used for ai agents, automation, and knowledge base.

On the capability side, it supports function calling and streaming. It's built on llm and agent AI technology.

LangSmith is available on API and Web, and can be deployed via cloud and self hosted. Hosting is cloud.

A developer API is available, so LangSmith can be integrated directly into your own applications and workflows. It integrates with Python, TypeScript, and REST API.

Pros

  • Rich tracing and debugging
  • Datasets and evaluations
  • Works with or without LangChain
  • Production monitoring

Cons

  • Proprietary (not open source)
  • Costs scale with usage
  • Technical setup required

Frequently Asked Questions

Do I need LangChain to use LangSmith?

No, LangSmith works with any stack, though it integrates tightly with LangChain and LangGraph.

Is LangSmith free?

There is a free developer tier, with paid plans for teams and higher usage.

Quick Facts

Category
Developer Tools
Tool type
AI Platform
Skill level
Advanced
License
Commercial
Hosting
Cloud
Open source
No
Verified
Yes

Tags

llmopsobservabilityevaluationtracinglangchain

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