LangChain vs. LangSmith Comparison


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About LangChain is a powerful, composable framework designed for building, running, and managing applications powered by large language models (LLMs). It offers an array of tools for creating context-aware, reasoning applications, allowing businesses to leverage their own data and APIs to enhance functionality. LangChain’s suite includes LangGraph for orchestrating agent-driven workflows, and LangSmith for agent observability and performance management. Whether you're building prototypes or scaling full applications, LangChain offers the flexibility and tools needed to optimize the LLM lifecycle, with seamless integrations and fault-tolerant scalability.	About Unexpected results happen all the time. With full visibility into the entire chain sequence of calls, you can spot the source of errors and surprises in real time with surgical precision. Software engineering relies on unit testing to build performant, production-ready applications. LangSmith provides that same functionality for LLM applications. Spin up test datasets, run your applications over them, and inspect results without having to leave LangSmith. LangSmith enables mission-critical observability with only a few lines of code. LangSmith is designed to help developers harness the power–and wrangle the complexity–of LLMs. We’re not only building tools. We’re establishing best practices you can rely on. Build and deploy LLM applications with confidence. Application-level usage stats. Feedback collection. Filter traces, cost and performance measurement. Dataset curation, compare chain performance, AI-assisted evaluation, and embrace best practices.
Platforms Supported Windows Mac Linux Cloud On-Premises iPhone iPad Android Chromebook	Platforms Supported Windows Mac Linux Cloud On-Premises iPhone iPad Android Chromebook
Audience Developers searching for a framework for developing applications powered by language models	Audience Developers seeking a platform to design, build, and test their applications
Support Phone Support 24/7 Live Support Online	Support Phone Support 24/7 Live Support Online
API Offers API	API Offers API
Screenshots and Videos View more images or videos	Screenshots and Videos View more images or videos
Pricing No information available. Free Version Free Trial	Pricing No information available. Free Version Free Trial
Reviews/Ratings Overall 5.0 / 5 ease 5.0 / 5 features 5.0 / 5 design 5.0 / 5 support 5.0 / 5 Read all reviews	Reviews/Ratings Overall 0.0 / 5 ease 0.0 / 5 features 0.0 / 5 design 0.0 / 5 support 0.0 / 5 This software hasn't been reviewed yet. Be the first to provide a review: Review this Software
Training Documentation Webinars Live Online In Person	Training Documentation Webinars Live Online In Person
Company Information LangChain Founded: 2022 United States www.langchain.com	Company Information LangChain United States www.langchain.com/langsmith
Alternatives Gemini Enterprise Agent Platform Google	Alternatives Arize AI
LM-Kit.NET LM-Kit	Braintrust Braintrust Data
StackAI	Griptape Griptape AI
PromptLayer	LangChain
LangSmith LangChain View All	LangGraph LangChain View All
Categories Agentic Process Automation AI Agent Frameworks AI Agent Infrastructure AI Agent Observability AI Automation AI Development AI Orchestration AI SDKs Context Engineering Development Frameworks Prompt Engineering Prompt Management	Categories AI Agent Observability AI Development Context Engineering Debugging Software Testing

Integrations LangGraph ZenML AI-Q NVIDIA Blueprint Apify Azure App Service BoilerCode Chainlit Diffbot Dify E2B EarlyCore FalkorDB HumanLayer JetStream Security Klee Model Context Protocol (MCP) Playwright ScraperAPI Traccia Zyte Show More Integrations View All 143 Integrations	Integrations LangGraph ZenML AI-Q NVIDIA Blueprint Apify Azure App Service BoilerCode Chainlit Diffbot Dify E2B EarlyCore FalkorDB HumanLayer JetStream Security Klee Model Context Protocol (MCP) Playwright ScraperAPI Traccia Zyte Show More Integrations View All 9 Integrations
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