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LangChain

Framework for building LLM-powered applications. Chains, agents, RAG.

Developer ToolsFounded January 2022#1 of 12 in Developer Tools

Company data checked

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Company research

Research as of
Metric
+32.8%PyPI dependents
Measured values
6.1K vs 4.6KJul 11 vs Apr 12
Sources
2 sourcesLibraries.io API + AIwire · as of July 12, 2026
Cited source
AIwireLangChain and NVIDIA Launch NemoClaw Deep Agents Blueprint for Enterprise Agents · Jul 8

AIwire reported that LangChain and NVIDIA launched the NemoClaw Deep Agents blueprint, a reference architecture for building open agent systems with benchmark-leading performance and lower inference costs, while LangChain's PyPI dependents increased 32.8% over the last 90 days, with Libraries.io data through Jul 11.

What this does not prove: Does not show install volume, runtime use, paid use, customer count, revenue, market share, product quality, or code that depends on the package outside indexed PyPI metadata.

Metric receipt (2 sources)

Measured public metric

  • Libraries.io API: LangChain PyPI dependents · July 11, 2026

Cited source

  • AIwire: LangChain and NVIDIA Launch NemoClaw Deep Agents Blueprint for Enterprise Agents · July 8, 2026
Metric
PyPI dependents
Observed window
Last 90 days (2026-04-12 to 2026-07-11)
Comparison
Compared with the prior reading
Start value
4,623 on 2026-04-12
End value
6,139 on 2026-07-11
Calculation
((6,139 - 4,623) / 4,623) * 100 = +32.8%
Metric receipt
Retained AI-Buzz metric receipt; not externally reproducible from a single public URL.
Relationship
Cited sources provide context and do not prove they caused the measured metric change.

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Company profile

What is LangChain?

LangChain is the most popular framework for building with LLMs. Enables chains, agents, and retrieval-augmented generation. 100K+ GitHub stars.

Latest company data

Metric dates vary by source

Metric dates
npm downloads
PyPI downloads
npm dependents
PyPI dependents
GitHub stars
Hacker News mentions

Key metric

Package downloads (30d)

441.3M/30d

npm
31.4M
PyPI
410.0M

4 tracked packages in npm and PyPI

Tracked packages

▼ -3%

Additional metrics

3 metrics

Metric

Dependent projects

8.2K

npm
2.0K
PyPI
6.1K

Projects depending on 4 tracked packages in npm and PyPI

Tracked packages

Metric

GitHub stars

141.6K

Main repository stars

Metric

Hacker News

75/30d

Position #3 in category discussion

Repository health

Maintenance data from the main open-source repository.

OpenSSF Scorecard
6
Key-person risk
1
External contributors
70
% of recent contributors outside the core team
Releases (30d)
0

Repository usage

Public repositories and source files importing packages tied to LangChain.

Repos importing
25.3K0%

Hiring mentions

Mentions of LangChain in recent Hacker News "Who's Hiring" threads.

Hiring mentions (monthly)
5

About LangChain

LangChain is the most popular framework for building with LLMs. Enables chains, agents, and retrieval-augmented generation. 100K+ GitHub stars.

FounderHarrison Chase

Disclosed funding

Disclosed $35M · 2 rounds

Disclosed funding records total $35M. Category position #1 of 12 in Developer Tools.

Series A2024

Sequoia Capital

$25M
Seed2023

Benchmark

$10M

Investors

BenchmarkSequoia Capital

Tracked packages (4)

2 npm, 2 PyPI

langchain

npmMain npm package

langchain

Framework for building LLM-powered applications. Chains, agents, RAG.

langchain

PyPIMain PyPI package

langchain

Framework for building LLM-powered applications. Chains, agents, RAG.

langsmith

npm

langsmith

A developer platform for debugging, testing, evaluating, and monitoring LLM applications, enhancing reliability and performance.

langsmith

PyPI

langsmith

A developer platform for debugging, testing, evaluating, and monitoring LLM applications, enhancing reliability and performance.