# LangChain

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

> The platform for building reliable AI agents and LLM applications.

## About

LangChain provides a comprehensive platform for building, deploying, and managing reliable AI agents and Large Language Model (LLM) applications. Its product suite includes LangGraph for controllable agent orchestration and long-running workflows, LangChain for integrating various models, databases, and LangSmith for observability and evaluation.

## Key facts

- **Slug:** langchain
- **Website:** https://www.langchain.com
- **Location:** San Francisco, United States
- **Founded:** 2022-10-01
- **Employees:** 312
- **Operating status:** Active
- **Total funding:** $260M
- **Sectors / tags:** Agentic AI, AI Agent, Foundation Model, Large Language Model, Developer Tools, API Platform, Observability, Workflow Automation, Generative AI, AI Infrastructure
- **Social:**
  - LinkedIn: https://www.linkedin.com/company/langchain
  - Twitter: https://x.com/langchain
  - GitHub: https://github.com/langchain-ai

## Frequently asked

### What does LangChain do?

LangChain provides a comprehensive platform for building, deploying, and managing reliable AI agents and Large Language Model (LLM) applications. Its product suite includes LangGraph for controllable agent orchestration and long-running workflows, LangChain for integrating various models, databases, and LangSmith for observability and evaluation.

### How much funding has LangChain raised?

LangChain has raised a total of $260M in funding.

### Where is LangChain headquartered?

LangChain is headquartered in San Francisco, United States.

### When was LangChain founded?

LangChain was founded in 2022.

### What industry does LangChain operate in?

LangChain operates in Agentic AI, AI Agent, Foundation Model, Large Language Model, Developer Tools, API Platform.

### How many employees does LangChain have?

LangChain has approximately 312 people on record.

### What is LangChain's valuation?

StartupHub estimates LangChain's effective valuation at $1K (range $769 to $1K, 37% confidence), based on comparable companies in the sector.

## JSON-LD

Structured data aligned with this page's `<script type="application/ld+json">` (included when the profile is server-rendered).

```json
{
  "@context": "https://schema.org",
  "@graph": [
    {
      "@type": "BreadcrumbList",
      "itemListElement": [
        {
          "@type": "ListItem",
          "position": 1,
          "name": "Home",
          "item": "https://www.startuphub.ai"
        },
        {
          "@type": "ListItem",
          "position": 2,
          "name": "Startups",
          "item": "https://www.startuphub.ai/startups"
        },
        {
          "@type": "ListItem",
          "position": 3,
          "name": "LangChain",
          "item": "https://www.startuphub.ai/startups/langchain"
        }
      ]
    },
    {
      "@type": "ProfilePage",
      "@id": "https://www.startuphub.ai/startups/langchain#webpage",
      "url": "https://www.startuphub.ai/startups/langchain",
      "name": "LangChain - AI Startup Profile | StartupHub.ai",
      "description": "This is the official profile of LangChain. LangChain is a startup founded in 2022, operating in Agentic AI and AI Agent. The platform for building reliable AI agents and LLM applications. Headquartered in San Francisco, United States. The company has approximately 312 employees.",
      "dateModified": "2026-07-14T09:52:55.071+00:00",
      "mainEntity": {
        "@id": "https://www.startuphub.ai/startups/langchain#organization"
      }
    },
    {
      "@type": "Organization",
      "@id": "https://www.startuphub.ai/startups/langchain#organization",
      "name": "LangChain",
      "url": "https://www.langchain.com",
      "logo": "https://cdn.startuphub.ai/storage/v1/object/public/entity-images/logos/4468b4aa-b921-41dd-8684-6c1cde286ad4-square.webp",
      "image": "https://cdn.startuphub.ai/storage/v1/object/public/entity-images/logos/4468b4aa-b921-41dd-8684-6c1cde286ad4-square.webp",
      "description": "This is the official profile of LangChain. LangChain is a startup founded in 2022, operating in Agentic AI and AI Agent. The platform for building reliable AI agents and LLM applications. Headquartered in San Francisco, United States. The company has approximately 312 employees.",
      "sameAs": [
        "https://www.linkedin.com/company/langchain",
        "https://x.com/langchain",
        "https://github.com/langchain-ai",
        "https://www.startuphub.ai/startups/langchain"
      ],
      "foundingDate": "2022-10-01",
      "numberOfEmployees": {
        "@type": "QuantitativeValue",
        "value": 312
      },
      "address": {
        "@type": "PostalAddress",
        "addressLocality": "San Francisco",
        "addressCountry": "US"
      },
      "knowsAbout": [
        "Agentic AI",
        "AI Agent",
        "Foundation Model",
        "Large Language Model",
        "Developer Tools",
        "API Platform",
        "Observability",
        "Workflow Automation",
        "Generative AI",
        "AI Infrastructure"
      ]
    },
    {
      "@type": "Product",
      "@id": "https://www.startuphub.ai/startups/langchain#profile-assessment",
      "name": "LangChain - StartupHub.ai Profile Assessment",
      "url": "https://www.startuphub.ai/startups/langchain",
      "image": "https://cdn.startuphub.ai/storage/v1/object/public/entity-images/logos/4468b4aa-b921-41dd-8684-6c1cde286ad4-square.webp",
      "category": "Agentic AI",
      "description": "This is the official profile of LangChain. LangChain is a startup founded in 2022, operating in Agentic AI and AI Agent. The platform for building reliable AI agents and LLM applications. Headquartered in San Francisco, United States. The company has approximately 312 employees. Agent Readiness score: 38/100. Full audit: https://www.startuphub.ai/startups/langchain/agent-readiness",
      "brand": {
        "@type": "Brand",
        "name": "LangChain"
      },
      "review": {
        "@type": "Review",
        "author": {
          "@type": "Organization",
          "name": "StartupHub.ai"
        },
        "datePublished": "2026-07-14",
        "name": "LangChain - Profile Score 61/100",
        "reviewBody": "This is the official profile of LangChain. LangChain is a startup founded in 2022, operating in Agentic AI and AI Agent. The platform for building reliable AI agents and LLM applications. Headquartered in San Francisco, United States. The company has approximately 312 employees. Agent Readiness score: 38/100. Full audit: https://www.startuphub.ai/startups/langchain/agent-readiness",
        "reviewRating": {
          "@type": "Rating",
          "ratingValue": 61,
          "bestRating": 100,
          "worstRating": 0
        }
      }
    }
  ]
}
```
