Technology · Framework

LangChain

Framework · Catalog tech@1

Framework for building LLM applications.

Matched as
  • langchain

Momentum

Each signal is ranked as a percentile among the technologies that have it. A signal without enough history is not counted, and never shown as zero. How momentum works

Momentum

Collecting1 of 5 signals

No score yet. Momentum is published only when at least 2 of the 5 signals have history. LangChain has 1, so there is no single number: each signal is shown on its own below. It is not a zero, and nothing is estimated in its place.

Snapshot OCT 24, 2026 · Scoring tech@1

Official repository stars
Collecting
Star growth needs repository snapshots 30 days apart.165,632 stars now
Member repository stars
Collecting
Star growth needs repository snapshots 30 days apart.0 new members in 30 days
Package adoption
+3.9% · 30d
31st percentile among technologies with this signalnpm, in its own unit
Open models
No official models
No official model on Hugging Face, so this signal does not apply.
News
Collecting
News counts once there are 3 events across the last 60 days; it has 1.1 in the last 30 days · 0 in the 30 before

Adoption by registry

The growth of LangChain’s own packages, one row per registry in that registry’s own unit. Registries count different things over different windows, so they are never added together.

RegistryFigureAbout 30 days ago → latestGrowthPackages
npmDownloads (30 days)122.2M → 127Mdownloads / 30 days+3.9% · 30d36

News activity

Events · 7 days
1published events that mention it
Events · 30 days
1published events that mention it
Previous 30 days
0events in the 30 days before

Momentum history

Momentum history starts OCT 8, 2026. A chart appears once two daily snapshots carry a score; none does so far.

Repositories

Official 2

Members 96repositories tagged with one of its aliases, most-starred first

  • microsoft/markitdown

    Python tool for converting files and office documents to Markdown.

    Tagged langchainPython

    188K stars

  • bytedance/deer-flow

    An open-source long-horizon SuperAgent harness that researches, codes, and creates. With the help of sandboxes, memories, tools, skill, subagents and message gateway, it handles different levels of tasks that could take minutes to hours.

    Tagged langchainPython

    83.3K stars

  • headroomlabs-ai/headroom

    Compress tool outputs, logs, files, and RAG chunks before they reach the LLM. 20% fewer tokens for coding agents, 60-95% fewer tokens for JSON, same answers. Library, proxy, MCP server.

    Tagged langchainPython

    74.3K stars

  • BerriAI/litellm

    The fastest, litest AI Gateway. Rust core with Python SDK. Call 100+ LLM APIs in OpenAI (or native) format with cost tracking, guardrails, load balancing, and logging [Bedrock, Azure, OpenAI, Anthropic, OpenAI, VertexAI, vLLM, Nvidia NIM]

    Tagged langchainPython

    60K stars

  • langchain-ai/langgraph

    Build resilient agents.

    Tagged langchainPython

    42.6K stars

  • chatchat-space/Langchain-Chatchat

    Langchain-Chatchat(原Langchain-ChatGLM)基于 Langchain 与 ChatGLM, Qwen 与 Llama 等语言模型的 RAG 与 Agent 应用 | Langchain-Chatchat (formerly langchain-ChatGLM), local knowledge based LLM (like ChatGLM, Qwen and Llama) RAG and Agent app with langchain

    Tagged langchainPython

    38.7K stars

  • langfuse/langfuse

    🪢 Open source agent evals & observability: Trace, evaluate, and improve LLM applications with one open platform.

    Tagged langchainTypeScript

    35.3K stars

  • langchain-ai/deepagents

    The batteries-included agent harness.

    Tagged langchainPython

    29.9K stars

  • mlflow/mlflow

    The open source AI engineering platform for agents, LLMs, and ML models. MLflow enables teams of all sizes to debug, evaluate, monitor, and optimize production-quality AI applications while controlling costs and managing access to models and data.

    Tagged langchainPython

    28.2K stars

  • 1Panel-dev/MaxKB

    🔥 MaxKB is an open-source platform for building enterprise-grade agents. 强大易用的开源企业级智能体平台。

    Tagged langchainPython

    22.9K stars

  • comet-ml/opik

    Debug, evaluate, and monitor your LLM applications, RAG systems, and agentic workflows with comprehensive tracing, automated evaluations, and production-ready dashboards.

    Tagged langchainPython

    22.3K stars

  • GoogleCloudPlatform/generative-ai

    Sample code and notebooks for Generative AI on Google Cloud, with Gemini Enterprise Agent Platform

    Tagged langchainJupyter Notebook

    17.8K stars

Packages

“Is” packages are LangChain itself; ecosystem packages depend on them. The two are counted separately and never added together. Adoption is each registry’s own figure, with its percentile within that registry.

Is 59the technology itself, most-adopted first

  • @langchain/google-gauth

    Google auth based authentication support for Google services

    Matches @langchain/*npm

    1.7Mdownloads / 30 daysLower half on npm
  • @langchain/google-vertexai

    LangChain.js support for Google Vertex AI

    Matches @langchain/*npm

    1.5Mdownloads / 30 daysLower half on npm
  • @langchain/weaviate

    Weaviate integration for LangChain.js

    Matches @langchain/*npm

    915.4Kdownloads / 30 daysLower half on npm
  • @langchain/langgraph-ui

    Contains the logic for creating Generative UI bundles served via LangGraph API.

    Matches @langchain/*npm

    719.9Kdownloads / 30 daysLower half on npm
  • @langchain/langgraph-api

    In-memory implementation of the LangGraph.js API.

    Matches @langchain/*npm

    706.4Kdownloads / 30 daysLower half on npm
  • @langchain/langgraph-cli

    The official command-line interface for LangGraph.js, providing tools to create, develop, and deploy LangGraph.js applications.

    Matches @langchain/*npm

    669.4Kdownloads / 30 daysLower half on npm
  • @langchain/google

    Google integrations for LangChain.js

    Matches @langchain/*npm

    490.5Kdownloads / 30 daysLower half on npm
  • @langchain/xai

    xAI integration for LangChain.js

    Matches @langchain/*npm

    458.2Kdownloads / 30 daysLower half on npm
  • @langchain/langgraph-checkpoint-mongodb

    LangGraph

    Matches @langchain/*npm

    424Kdownloads / 30 daysLower half on npm
  • @langchain/openrouter

    OpenRouter integration for LangChain.js

    Matches @langchain/*npm

    390.7Kdownloads / 30 daysLower half on npm
  • @langchain/deepseek

    Deepseek integration for LangChain.js

    Matches @langchain/*npm

    353.4Kdownloads / 30 daysLower half on npm
  • @langchain/react

    React integration for LangGraph & LangChain

    Matches @langchain/*npm

    319.7Kdownloads / 30 daysLower half on npm

Ecosystem 181packages that depend on it, most-adopted first

  • @posthog/ai

    PostHog Node.js AI integrations

    Depends on @langchain/corenpm

    3.4Mdownloads / 30 daysTop 50% on npm
  • @ag-ui/langgraph

    Implementation of the AG-UI protocol for LangGraph.

    Depends on @langchain/corenpm

    1.7Mdownloads / 30 daysLower half on npm
  • @copilotkit/runtime

    <img src="https://github.com/user-attachments/assets/0a6b64d9-e193-4940-a3f6-60334ac34084" alt="banner" style="border-radius: 12px; border: 2px solid #d6d4fa;" />

    Depends on @langchain/awsnpm

    1.7Mdownloads / 30 daysLower half on npm
  • deepagents

    Deep Agents - a library for building controllable AI agents with LangGraph

    Depends on @langchain/corenpm

    1.4Mdownloads / 30 daysLower half on npm
  • mem0ai

    The Memory Layer For Your AI Apps

    Depends on @langchain/corenpm

    577.4Kdownloads / 30 daysLower half on npm
  • openevals

    Much like tests in traditional software, evals are an important part of bringing LLM applications to production. The goal of this package is to help provide a starting point for you to write evals for your LLM applications, from which you can write more c

    Depends on @langchain/corenpm

    541.1Kdownloads / 30 daysLower half on npm
  • n8n-core

    Core functionality of n8n

    Depends on @langchain/corenpm

    313.5Kdownloads / 30 daysLower half on npm
  • @arizeai/openinference-instrumentation-langchain

    OpenInference Instrumentation for LangChain.js

    Depends on @langchain/corenpm

    288.8Kdownloads / 30 daysLower half on npm
  • @n8n/ai-utilities

    Utilities for building AI nodes in n8n

    Depends on @langchain/classicnpm

    266.7Kdownloads / 30 daysLower half on npm
  • @novu/framework

    The Code-First Notifications Workflow SDK.

    Depends on @langchain/corenpm

    238.8Kdownloads / 30 daysLower half on npm
  • @n8n/ai-workflow-builder

    Depends on @langchain/anthropicnpm

    196.1Kdownloads / 30 daysLower half on npm
  • langwatch

    LangWatch TypeScript/JavaScript SDK. Interact with the full LangWatch API and use the LangWatch OpenTelemetry SDK to instrument your application. For more information, see https://docs.langwatch.ai/integration/typescript/guide

    Depends on @langchain/corenpm

    193.2Kdownloads / 30 daysLower half on npm

Latest news the latest event that mention it