# LangGraph

**Source:** https://www.startuphub.ai/startups/langgraph
**Profile type:** Startup

> LangGraph is an open-source framework for building, managing, and deploying long-running, stateful agents as graphs.

## About

LangGraph is an open-source framework built on top of LangChain, designed to facilitate the creation of cyclical graphs, which are often necessary for agent runtimes. It allows developers to define agent workflows as graphs, with nodes representing processing steps and edges defining transitions between these steps. This graph-based approach elegantly handles branching, looping, and other non-linear procedures, making it suitable for complex, stateful applications.

Key features of LangGraph include durable execution (enabling agents to persist through failures and resume automatically), human-in-the-loop capabilities (allowing for oversight and modification of agent state), and comprehensive memory management (supporting both short-term working memory and long-term persistent memory). It also integrates with LangSmith for debugging and provides tools for production-ready deployment of sophisticated agent systems.

LangGraph is trusted by companies like Klarna, Replit, Elastic, and Uber, and is used in various applications such as content generation, customer service, financial modeling, and academic research. It offers a low-level orchestration framework that provides fine-grained control over agent behavior, making it a powerful tool for building reliable and scalable AI agents.

## Key facts

- **Slug:** langgraph
- **Website:** https://langchain.com/langgraph
- **Location:** San Francisco, United States
- **Founded:** 2024
- **Employees:** 259
- **Operating status:** Active
- **Total funding:** $25M
- **Sectors / tags:** Agentic AI, LLM Framework, Developer Tools, Customer Service, AI Agents, AI Development Framework, LLM Orchestration Framework
- **Social:**
  - LinkedIn: https://www.linkedin.com/company/langchain/
  - Twitter: https://x.com/LangChainAI

## Frequently asked

### What does LangGraph do?

LangGraph is an open-source framework built on top of LangChain, designed to facilitate the creation of cyclical graphs, which are often necessary for agent runtimes. It allows developers to define agent workflows as graphs, with nodes representing processing steps and edges defining transitions between these steps. This graph-based approach elegantly handles branching, looping, and other non-linear procedures, making it suitable for complex, stateful applications.

Key features of LangGraph inc…

### What is LangGraph's valuation?

StartupHub estimates LangGraph's effective valuation at $148.1M (range $103.7M to $192.5M, 30% confidence), based on comparable companies in the sector.

### How much funding has LangGraph raised?

LangGraph has raised a total of $25M in funding. The most recent round on record is Series A.

### Where is LangGraph headquartered?

LangGraph is headquartered in San Francisco, United States.

### When was LangGraph founded?

LangGraph was founded in 2024.

### What industry does LangGraph operate in?

LangGraph operates in Agentic AI, LLM Framework, Developer Tools, Customer Service, AI Agents, AI Development Framework.

### How many employees does LangGraph have?

LangGraph has approximately 259 people on record.

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