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LangChain
productAI Framework
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Overview
Developed byHarrison Chase
Maintained byLangChain AI
Founded2022
LicenseMIT License
Open source✓ Open Source
Primary languagePython
Use casebuilding applications with large language models
Also see
Alternative to
LlamaIndex
Based onPython
Competes with
LlamaIndexSemantic Kernel
Knowledge graph stats
Claims75
Avg confidence93%
Avg freshness100%
Last updatedUpdated 22 days ago
Trust distribution
100% unverified
Governance
EU Risknot classified
Training data disclosure

LangChain

product

Python framework for building applications with large language models and agent-based systems

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programming language

ValueTrustConfidenceFreshnessSources
Python○UnverifiedHighFresh1
JavaScript○UnverifiedHighFresh1

open source

ValueTrustConfidenceFreshnessSources
true○UnverifiedHighFresh1

requires

ValueTrustConfidenceFreshnessSources
Python○UnverifiedHighFresh1
Python 3.8+○UnverifiedHighFresh1

based on

ValueTrustConfidenceFreshnessSources
Python○UnverifiedHighFresh1

package manager

ValueTrustConfidenceFreshnessSources
PyPI○UnverifiedHighFresh1
pip○UnverifiedHighFresh1
npm○UnverifiedHighFresh1

license type

ValueTrustConfidenceFreshnessSources
MIT License○UnverifiedHighFresh1

supports feature

ValueTrustConfidenceFreshnessSources
vector databases○UnverifiedHighFresh1
Document loaders○UnverifiedHighFresh1
prompt templates○UnverifiedHighFresh1
document loading and processing○UnverifiedHighFresh1
agent workflows○UnverifiedHighFresh1
retrieval augmented generation○UnverifiedHighFresh1
Agent frameworks○UnverifiedHighFresh1
Memory management○UnverifiedHighFresh1

primary use case

ValueTrustConfidenceFreshnessSources
building applications with large language models○UnverifiedHighFresh1

supports model

ValueTrustConfidenceFreshnessSources
text embedding models○UnverifiedHighFresh1
OpenAI GPT○UnverifiedHighFresh1
OpenAI GPT models○UnverifiedHighFresh1
Hugging Face Transformers○UnverifiedHighFresh1
GPT-3.5○UnverifiedHighFresh1
GPT-4○UnverifiedHighFresh1
Anthropic Claude○UnverifiedHighFresh1
vector databases○UnverifiedHighFresh1

has javascript version

ValueTrustConfidenceFreshnessSources
true○UnverifiedHighFresh1
LangChain.js○UnverifiedHighFresh1

integrates with

ValueTrustConfidenceFreshnessSources
OpenAI○UnverifiedHighFresh1
OpenAI GPT models○UnverifiedHighFresh1
OpenAI API○UnverifiedHighFresh1
Anthropic○UnverifiedHighFresh1
Anthropic Claude○UnverifiedHighFresh1
Hugging Face Transformers○UnverifiedHighFresh1
Vector databases○UnverifiedHighFresh1
ChromaDB○UnverifiedHighFresh1
Hugging Face○UnverifiedHighFresh1
Pinecone vector database○UnverifiedHighFresh1
Pinecone○UnverifiedHighFresh1
Chroma○UnverifiedHighFresh1
Hugging Face models○UnverifiedModerateFresh1

pricing model

ValueTrustConfidenceFreshnessSources
Free open source○UnverifiedHighFresh1
Open source with commercial LangSmith platform○UnverifiedModerateFresh1
Free open source with paid enterprise features○UnverifiedModerateFresh1
free open source with commercial services○UnverifiedModerateFresh1
freemium○UnverifiedModerateFresh1
Free open source with commercial cloud offering○UnverifiedModerateFresh1

written in

ValueTrustConfidenceFreshnessSources
Python○UnverifiedHighFresh1

developed by

ValueTrustConfidenceFreshnessSources
Harrison Chase○UnverifiedHighFresh1

maintained by

ValueTrustConfidenceFreshnessSources
LangChain AI○UnverifiedHighFresh1
LangChain AI Inc○UnverifiedHighFresh1
LangChain Inc.○UnverifiedHighFresh1
LangChain Inc○UnverifiedHighFresh1

primary feature

ValueTrustConfidenceFreshnessSources
Chain composition for LLM workflows○UnverifiedHighFresh1

programming language support

ValueTrustConfidenceFreshnessSources
JavaScript○UnverifiedHighFresh1

supports vector store

ValueTrustConfidenceFreshnessSources
Chroma○UnverifiedHighFresh1
Pinecone○UnverifiedHighFresh1

supports protocol

ValueTrustConfidenceFreshnessSources
vector databases○UnverifiedHighFresh1
REST APIs○UnverifiedHighFresh1
REST API○UnverifiedModerateFresh1

supports language

ValueTrustConfidenceFreshnessSources
JavaScript○UnverifiedHighFresh1

supports framework

ValueTrustConfidenceFreshnessSources
LangSmith○UnverifiedHighFresh1
Streamlit○UnverifiedModerateFresh1

founded year

ValueTrustConfidenceFreshnessSources
2022○UnverifiedHighFresh1

provides feature

ValueTrustConfidenceFreshnessSources
prompt templates○UnverifiedHighFresh1
retrieval augmented generation○UnverifiedModerateFresh1

competes with

ValueTrustConfidenceFreshnessSources
LlamaIndex○UnverifiedModerateFresh1
Semantic Kernel○UnverifiedModerateFresh1

alternative to

ValueTrustConfidenceFreshnessSources
LlamaIndex○UnverifiedModerateFresh1

Alternatives & Similar Tools

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Semantic Kernel
competes with
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Commonly Used With

OpenAIOpenAI GPT modelsOpenAI APIAnthropicAnthropic ClaudeHugging Face TransformersVector databasesChromaDBHugging FacePinecone vector databasePineconeChromaHugging Face models

Related entities

Graph Insights

51 entities depend on LangChain
MongoDB Atlas VectorReActLlamaIndexOpenLLMetryAgent MemoryDeepEvalLangsmithVector Databases
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Top sources (70 claims traced)
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supports_modelhighsource
integrates_withhighsource
pricing_modelhighsource
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Claim count: 75Last updated: 4/23/2026Edit history