LangChain
LangChain

LangChain

DR88Ahrefs DR: 88/100. Top 25%. Measured by Ahrefs. Median 44.Agent42Agent Readiness: 42/100. Above median. Measured by StartupHub.ai. Median 41.Speed31Site Speed: 31/100. Bottom 25%. Measured by Google PageSpeed. Median 62.Trust91Data Trust: 91/100. Top 25%. Measured by StartupHub.ai. Median 61.

The platform for building reliable AI agents and LLM applications.

2022Active312San Francisco, United States

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.

Competitors & Alternatives (14)

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Key facts

Website
langchain.com
Headquarters
San Francisco, United States
Founded
2022
Employees
312
Total funding
$260M
Business model
B2B

LangChain pricing

Plans and prices published by LangChain
PlanPrice
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 RBACCustom / month
LangChain pricing page
LangChain's own pricing page, captured September 2026.

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

Funding rounds raised by LangChain
DateRoundAmountPost-moneyLead investors
21 Oct 2025Undisclosed roundUndisclosed$1K
20 Oct 2025Series A$125MGreylock, Sequoia Capital
9 Jul 2025Series B$100M$1.1BIVP
1 Feb 2024Series A$25M$200MSequoia Capital
1 Apr 2023Seed$10MBenchmark Capital

Tech stack

Detected on langchain.com, last scanned 16 Aug 2026.

Analytics
Google Tag Manager, Plausible
CMS / Builders
Webflow
CDN
Cloudflare
Email provider
Google Workspace
Email marketing
Mailchimp

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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