The platform for
reliable agents.
Tools for every step of the agent development lifecycle -- built to unlock powerful AI in production.
LangChain products power top engineering teams, from startups to global enterprises
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Accelerate agent development.
Build faster with templates & a visual agent IDE. Reuse, configure, and combine agents to go further with less code.
Ship reliable agents.
Design agents that can handle sophisticated tasks with control. Add human-in-the-loop to steer and approve agent actions.
Gain visibility & improve quality.
See what’s happening - so you can quickly trace to root cause and debug issues. Evaluate your agent performance to improve over time.
The Agent Stack
ORCHESTRATION:
Build agents with LangGraph
Controllable agent orchestration with built-in persistence to handle conversational history, memory, and agent-to-agent collaboration.
INTEGRATIONS:
Integrate components with LangChain
Integrate with the latest models, databases, and tools with no engineering overhead.
EVALS & OBSERVABILITY:
Gain visibility with LangSmith
Debug poor-performing LLM app runs. Evaluate and observe agent performance at scale.
DEPLOYMENT:
Deploy & manage with LangGraph Platform
Deploy and scale enterprise-grade agents with long-running workflows. Discover, reuse, and share agents across teams — and iterate faster with LangGraph Studio.
Copilots
Build native co-pilots into your application to unlock new end user experiences for domain-specific tasks.
Enterprise GPT
Give all employees access to information and tools in a compliant manner so they can perform their best.
Customer Support
Improve the speed & efficiency of support teams that handle customer requests.
Research
Synthesize data, summarize sources & uncover insights faster than ever for knowledge work.
Code generation
Accelerate software development by automating code writing, refactoring, and documentation for your team.
AI Search
Offer a concierge experience to guide users to products or information in a personalized way.
LangChain products are designed to be used independently or stack for mulitplicative benefit.
A full product suite for reliable agents and LLM apps
LangChain's products work seamlessly together to provide an integrated solution for every step of the application development journey. When you use all LangChain products, you'll build better, get to production quicker, and grow visibility -- all with less set up and friction.
LangChain provides the smoothest path to high quality agents.
Trace and evaluate any LLM app
LangSmith is framework-agnostic. Trace using the TypeScript or Python SDK to gain visibility into your agent interactions -- whether you use LangChain's frameworks or not.
Build agents any way you want, then deploy and scale with ease
LangGraph Platform works with any agent framework, enabling stateful UXs like human-in-the-loop and streaming-native deployments.
Get inspired by companies who have done it.
Teams building with LangChain products are driving operational efficiency, increasing discovery & personalization, and delivering premium products that generate revenue.
Klarna's AI assistant has reduced average customer query resolution time by 80%, powered by LangSmith and LangGraph
This global logistics provider is saving 600 hours a day using an automated order system built on LangGraph and LangSmith
As a leading cybersecurity firm with 40k+ customers, Trellix cut log parsing from days to minutes using LangGraph and LangSmith.
The biggest developer community in GenAI
Learn alongside the 1M+ practitioners using our frameworks to push the industry forward.
#1
Downloaded agent framework
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GitHub stars
#1
Downloaded agent framework
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Integrations
Ready to start shipping reliable agents faster?
Get started with tools from the LangChain product suite for every step of the agent development lifecycle.