
LangChain
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.
Listed competitors
Clarifai is another competitor in the AI field, with LangChain differentiating through its agent-specific tooling.
Relevance AI is a competitor, with LangChain's strength lying in its comprehensive agent development lifecycle support.
“Pricing Page Teardown: Relevance AI. Relevance AI’s “AI workforce” pricing: dual meters, fairness narrative, and where the guardrails get…” r/pricing
LlamaIndex is also a venture capital-backed company based in San Francisco, focusing on a similar area of AI development.
Stability AI is a competitor in the AI space, though LangChain focuses on the agent engineering platform.
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Public companies
LangChain and GitHub Copilot both offer tools for developers to build and deploy AI agents and LLM applications, with LangChain providing a comprehensive platform and GitHub Copilot focusing on AI-powered code generation and assistance with
Competing product: GitHub Copilot
LangChain and Google's Vertex AI Agent Builder both provide platforms for developing and deploying AI agents and LLM applications, with Vertex AI Agent Builder being a key offering within the Google Cloud ecosystem.
Competing product: Vertex AI Agent Builder
LangChain and Amazon Bedrock AgentCore both offer platforms for building and operating AI agents, with Amazon Bedrock AgentCore providing runtime services for secure tool access, memory, and policy enforcement within the AWS ecosystem.
Competing product: Amazon Bedrock AgentCore
LangChain and IBM watsonx.ai both provide frameworks and tools for developing, deploying, and managing AI agents and LLM solutions, with watsonx.ai offering a comprehensive platform for scaling AI solutions from experimentation to productio
Competing product: IBM watsonx.ai
Key facts
- Website
- langchain.com
- Headquarters
- San Francisco, United States
- Founded
- 2022
- Employees
- 312
- Total funding
- $260M
- Business model
- B2B
LangChain pricing
| Plan | Price |
|---|---|
| DeveloperUp to 5k base traces per month then pay as you go, Maximum of 1 seat, Community support | $0 / month |
| PlusUp to 10k base traces per month then pay as you go, Add unlimited seats at $39 per seat per month, Access to Deployment, Engine and more | $39 / month |
| EnterpriseCustom pricing then pay as you go, Self-hosted and hybrid deployment options, Custom SSO, ABAC and RBAC | Custom / month |

Pay as you go metered as LCU at $1.50 per LCU and LSU at $1.00 per LSU. Deployment, Fleet, Engine and Sandbox usage metered in LCUs and LSUs per resource per second. Discounted rates and up to $10,000 in credits for VC-backed startups.
Plans as published by LangChain, checked September 2026. Current prices on langchain.com
Funding rounds
| Date | Round | Amount | Post-money | Lead investors |
|---|---|---|---|---|
| 21 Oct 2025 | Undisclosed round | Undisclosed | $1K | |
| 20 Oct 2025 | Series A | $125M | Greylock, Sequoia Capital | |
| 9 Jul 2025 | Series B | $100M | $1.1B | IVP |
| 1 Feb 2024 | Series A | $25M | $200M | Sequoia Capital |
| 1 Apr 2023 | Seed | $10M | Benchmark Capital |
Tech stack
Detected on langchain.com, last scanned 16 Aug 2026. Run your own scan
- Analytics
- Google Tag Manager, Plausible
- CMS / Builders
- Webflow
- CDN
- Cloudflare
- Email provider
- Google Workspace
- Email marketing
- Mailchimp
LangChain scores 88. Does yours?
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Frequently asked
Is LangChain trustworthy and reputable?
StartupHub's Data Trust & Reputation score for LangChain is 91 out of 100, a trusted rating, based on site security posture, privacy practices, malware and phishing checks, and public reputation signals.
How much funding has LangChain raised?
LangChain has raised a total of $260M in funding.
How many employees does LangChain have?
LangChain has approximately 312 people on record.
Public record
SEC filings, insider activity, nonprofit links and pay benchmarks for LangChain


