How popular is LangChain among developers?

LangChain has 230.4M combined package downloads per month (7.7M npm for langchain, 222.7M PyPI for langchain), 128.5K GitHub stars, ranked #6 on the AI-Buzz Developer Momentum Index. Metrics are updated daily from npm, PyPI, and GitHub.

What is LangChain's developer sentiment?

LangChain has a negative developer sentiment on Hacker News, with 0% positive mentions across 199 analyzed comments (high confidence). Sentiment is derived from AI-Buzz's automated analysis of Hacker News discussions.

How much funding has LangChain raised?

LangChain has raised $35M across 2 funding rounds. The most recent was a Series A.

What is LangChain's Developer Momentum Index score?

LangChain has a Developer Momentum Index (DMI) score of 31/100, ranking it #6 among all AI companies tracked by AI-Buzz. The DMI is a composite score combining developer adoption (package downloads), community signals (Hacker News mentions and sentiment), GitHub activity, and search demand.

LangChain

Data confidence: High

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

Founded by: Harrison Chase

DMI: 31#6 of 262 (Top 3%)HN 30d: 206

128,498 · 21,100 forks

Foundation Models Methodology Visit Website →

LangChain has a Developer Momentum Index of 31, ranking #6 of 262 companies. Key metrics include 230.4M monthly package downloads, 128.5K GitHub stars, $35M in total funding.

Developer Adoption

Package downloads and ecosystem metrics, 30-day window

How we calculate →

npm Downloads (30d)

7.7M

langchain

PyPI Downloads (30d)

222.7M

langchain

Total Downloads (30d)

230.4M

npm + PyPI combined

Active Contributors (30d)

Unique committers, 30-day window

npm Dependents

1.6K

Packages using langchain

Active Contributors Trend

90-day trend

github contributors remained stable at 37 over the last 90 days.

View data table

Date	github contributors
Mar 5, 2026	37
Mar 6, 2026	37

npm Dependents Trend

Trend data not yet available

Check back soon as we collect more data.

npm Download Trend

90-day trend

npm Downloads remained stable at 7,721,157 over the last 90 days.

View data table

Date	npm downloads
Mar 5, 2026	7,721,157
Mar 6, 2026	7,721,157

PyPI Download Trend

90-day trend

PyPI Downloads declined from 223,002,558 to 222,679,849 over the last 90 days.

View data table

Date	pypi downloads
Mar 5, 2026	223,002,558
Mar 6, 2026	222,679,849

Compare LangChain with others →

Key Signals

Developer Community Metrics

How we calculate →

Metrics computed from HN discussion, GitHub activity, and funding data.

HN Discussion Rank#11 in Foundation Models by HN mentions (out of 33 tracked)

HN vs Category12.1x category median (206 vs 17 median)

GitHub VelocityCommit velocity steady (1.0x vs 4-week average)

Funding Trajectory2 rounds in 10 months, ($10M → $25M)

Community Sentiment0% positive HN sentiment (199 comments) • High confidence

Category Benchmark

33 Foundation Models companies

230.4M downloads/mo16922% above median

0Median: 1.4M2.7M+

30-Day Trends

npm Downloads

90-day trend

npm Downloads remained stable at 7,721,157 over the last 90 days.

View data table

Date	npm downloads
Mar 5, 2026	7,721,157
Mar 6, 2026	7,721,157

PyPI Downloads

90-day trend

PyPI Downloads declined from 223,002,558 to 222,679,849 over the last 90 days.

View data table

Date	pypi downloads
Mar 5, 2026	223,002,558
Mar 6, 2026	222,679,849

GitHub Stars

90-day trend↑ +1.8%

GitHub Stars grew from 126,228 to 128,498 (+1.8%) over the last 90 days.

View data table

Date	github stars
Feb 1, 2026	126,228
Feb 2, 2026	126,279
Feb 7, 2026	126,632
Feb 8, 2026	126,680
Feb 9, 2026	126,721
Feb 10, 2026	126,778
Feb 12, 2026	127,000
Feb 13, 2026	127,023
Feb 14, 2026	127,076
Feb 15, 2026	127,132
Feb 16, 2026	127,185
Feb 17, 2026	127,267
Feb 19, 2026	127,472
Feb 21, 2026	127,768
Feb 22, 2026	127,844
Feb 23, 2026	127,956
Feb 24, 2026	127,986
Feb 25, 2026	128,106
Feb 26, 2026	128,323
Feb 27, 2026	128,477
Feb 28, 2026	128,498

HN Mentions

90-day trend↑ +73.9%

HN Mentions grew from 115 to 200 (+73.9%) over the last 90 days.

View data table

Date	hn mentions
Jan 6, 2026	115
Jan 9, 2026	132
Jan 10, 2026	101
Jan 15, 2026	145
Jan 16, 2026	138
Jan 17, 2026	139
Jan 18, 2026	136
Jan 20, 2026	150
Jan 21, 2026	151
Jan 22, 2026	148
Jan 23, 2026	154
Jan 24, 2026	159
Jan 25, 2026	161
Jan 27, 2026	166
Jan 29, 2026	172
Jan 30, 2026	173
Jan 31, 2026	177
Feb 1, 2026	188
Feb 2, 2026	201
Feb 3, 2026	204
Feb 4, 2026	205
Feb 5, 2026	200

Funding Rounds

Series A$25M

2024 · Sequoia Capital

Seed$10M

2023 · Benchmark

Investors

Benchmark Sequoia Capital

Cite This Data

According to AI-Buzz, LangChain has 7,721,157 npm downloads in 30 days, with 222,679,849 PyPI downloads in 30 days, with 37 active contributors in 30 days, with 1,595 npm dependent packages, ranks #11 in Foundation Models for HN discussion share (out of 33 tracked with 3.2% of HN discussion), with 0% positive developer sentiment (199 HN comments analyzed), with 52 commits/week (steady).

Source: https://www.ai-buzz.com/companies/langchain?utm_source=citation&utm_medium=referral&utm_campaign=cite_this_data

Metrics derived from public APIs (HN Algolia, GitHub, npm/PyPI). Sentiment classified by AI. See methodology for details →

About

Description

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

Estimated Company Size

51 - 100 employees

Website

langchain.com

Details

Founded

2022

Description

LangChain is the most popular framework for building with LLMs. Enables chains, agents, and retrieval-augmented generation. 100K+ GitHub stars. Raised $25M Series A from Sequoia.

Developer Signals

How we calculate →

Community engagement metrics that indicate developer traction and interest.

Hacker News Mentions(30 days)

Mentions in HN discussions. Source: Hacker News Algolia API.

206current

↑12.1x category median

90-day trend↑ +170.3%

HN Mentions grew from 74 to 200 (+170.3%) over the last 90 days.

View data table

Date	hn mentions
Apr 7, 2025	74
May 7, 2025	63
Jun 6, 2025	102
Jul 6, 2025	115
Aug 5, 2025	54
Sep 4, 2025	73
Oct 4, 2025	66
Nov 3, 2025	79
Dec 3, 2025	125
Jan 2, 2026	139
Feb 1, 2026	200

Community Sentiment(199 comments analyzed)High confidence

Sentiment analysis of Hacker News comments only. Does not include Reddit, Discord, or other platforms.

0% positive

365-day trend

No HN Sentiment (Positive) data recorded in this period.

View data table

Date	hn sentiment positive
Feb 1, 2026	0

GitHub Stars(total)

Total stars indicate project popularity and developer adoption.

128,498current

↑13.9x category median

90-day trend↑ +1.8%

GitHub Stars grew from 126,279 to 128,498 (+1.8%) over the last 90 days.

View data table

Date	github stars
Jan 31, 2026	126,279
Feb 7, 2026	126,778
Feb 14, 2026	127,267
Feb 21, 2026	127,986
Feb 28, 2026	128,498

GitHub Forks

Forks indicate active developer engagement and contribution interest.

21,100

Commit Velocity(weekly)

Weekly commit activity indicates ongoing development momentum and team productivity.

52commits/week

steady

90-day trend↑ +26.8%

github commits grew from 41 to 52 (+26.8%) over the last 90 days.

View data table

Date	github commits
Mar 8, 2025	41
Mar 15, 2025	99
Mar 22, 2025	94
Mar 29, 2025	91
Apr 5, 2025	61
Apr 12, 2025	64
Apr 19, 2025	54
Apr 26, 2025	46
May 3, 2025	35
May 10, 2025	79
May 17, 2025	37
May 24, 2025	66
May 31, 2025	57
Jun 7, 2025	31
Jun 14, 2025	39
Jun 21, 2025	49
Jun 28, 2025	55
Jul 5, 2025	86
Jul 12, 2025	75
Jul 19, 2025	88
Jul 26, 2025	48
Aug 2, 2025	39
Aug 9, 2025	97
Aug 16, 2025	34
Aug 23, 2025	34
Aug 30, 2025	19
Sep 6, 2025	161
Sep 13, 2025	46
Sep 20, 2025	59
Sep 27, 2025	100
Oct 4, 2025	122
Oct 11, 2025	104
Oct 18, 2025	34
Oct 25, 2025	54
Nov 1, 2025	74
Nov 8, 2025	44
Nov 15, 2025	22
Nov 22, 2025	24
Nov 29, 2025	30
Dec 6, 2025	96
Dec 13, 2025	50
Dec 20, 2025	46
Dec 27, 2025	21
Jan 3, 2026	120
Jan 10, 2026	40
Jan 17, 2026	27
Jan 24, 2026	23
Jan 31, 2026	57
Feb 7, 2026	74
Feb 14, 2026	6
Feb 21, 2026	25
Feb 28, 2026	52

Docker Pulls(total)

Total container image pulls indicate infrastructure-level adoption.

96,052langchain/langchain →

Recent News

LangChain vs OpenAI: New PyPI Data Shows Adoption Shift

See how LangChain vs OpenAI adoption on PyPI signals a key shift in the AI stack, as developers prioritize application frameworks over direct model access.

Mar 6, 2026•ai-buzz.com

LangChain vs OpenAI: Python Adoption Data Reveals Shift

LangChain's Python download lead over OpenAI reveals a major shift in developer adoption, showing tooling's rising dominance in the AI stack.

Mar 5, 2026•ai-buzz.com

Products & Tools

LangChain

An open-source framework for developing applications powered by large language models, enabling chaining of components and integration with external data sources.

LangSmith

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

LangServe

A library designed to easily deploy LangChain runnables and chains as a REST API, simplifying the process of making LLM applications accessible.

Related Categories

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Primary Domains

Foundation Models33 companies

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Data Confidence

Excellent

96/ 100

Reflects profile completeness, metric freshness, and signal coverage.

How we calculate this

Open Source

128.6K

Stars

21.1K

Forks

●ActivePython

Last commit: 1 day ago

View on GitHub →

Embed Badge

LangChain vs OpenAI: New PyPI Data Shows Adoption Shift

LangChain 's Python package recorded 222.9 million downloads on PyPI over the last 30 days, outpacing the OpenAI library by 18.3%, according to AI-Buzz tracking data . That's a framework built on top of OpenAI's models being installed more often than OpenAI's own client library....

Mar 6, 2026

LangChain vs OpenAI: Python Adoption Data Reveals Shift

LangChain 's Python packages were downloaded 222,983,646 times in the past 30 days. OpenAI 's came in at 188,363,691. That 18% gap, drawn from AI-Buzz's proprietary package tracking data, puts an open-source application framework ahead of the company whose models it largely...

Mar 5, 2026

Pydantic vs OpenAI Adoption: The Real AI Infrastructure

Pydantic, a data validation library most developers treat as background infrastructure, was downloaded over 614 million times from PyPI in the last 30 days - more than OpenAI, LangChain, and Hugging Face combined. That combined total sits at 507 million. The gap isn’t close. This single data point exposes one of the most persistent blind

Feb 25, 2026

Linux Foundation Adopts AgentGateway for AI Agent Governance

The Linux Foundation has officially accepted AgentGateway, an open-source project initiated by AI infrastructure firms Zilliz, MyScale, and Metis, into its AI & Data sandbox. This development signals a significant industry move to standardize the burgeoning, yet chaotic, ecosystem of autonomous AI agents. As enterprises increasingly deploy networks of agents to handle complex tasks, AgentGateway

Aug 26, 2025

AgentRise Platform Solves AI Integration for Enterprise

Digital engineering firm Apexon has launched AgentRise, a new platform designed to help businesses build and manage autonomous AI agents. The announcement positions AgentRise as a direct response to documented enterprise challenges in deploying agentic AI, focusing on a specific architecture to manage complex, multi-step workflows. This development enters a market that, while promising, faces

Aug 1, 2025

View all articles about LangChain

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Weekly AI Intelligence

Which AI companies are developers actually adopting? We track npm and PyPI downloads for 262+ companies. Get the biggest shifts weekly - before they show up in the news.

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LangChain

Developer Adoption

Active Contributors Trend

npm Dependents Trend

npm Download Trend

PyPI Download Trend

Developer Community Metrics

Category Benchmark

30-Day Trends

npm Downloads

PyPI Downloads

GitHub Stars

HN Mentions

Funding Rounds

Investors

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About

Details

Developer Signals

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Products & Tools

LangChain

LangSmith

LangServe

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Open Source

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