LangChain
LLM application development framework
San Francisco, CA, USA
Founded 2022
LangChain provides an open-source framework for building applications with large language models. It supports various integrations and tools for creating AI-driven applications efficiently.
Websites:
Last Updated: October 22, 2025
Current Valuation
$1.3B
as of October 21, 2025 (Source)
Funding Summary
$260M
Total reported funding
OSS News & Views
May 26, 2026
DEV Community: LangChain vs LlamaIndex vs Raw API Calls: What I Chose After 3 Production Projects - DEV Community
Media Mention
May 19, 2026
DEV Community: LangChain vs LlamaIndex: Which Python AI Framework to Choose (2026) - DEV Community
Announcement
May 18, 2026
VentureBeat: LangSmith Engine closes the agent debugging loop automatically — but multi-model enterprises still need a neutral layer | VentureBeat
Media Mention
May 14, 2026
DEV Community: How I cut my LangChain agent's token costs by 93% with one import - DEV Community
Media Mention
May 9, 2026
Digital Applied: LangChain 1 Deep Dive: Agent Protocol + Runtime 2026
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Key People
Core OSS Projects
LangChain provides an open-source framework for building applications with large language models. It supports various integrations and tools for creating AI-driven applications efficiently.
License: MIT
Business Information
Category
AI FrameworkIndustries
Software
Technologies
AI AppsLLMs
Sectors
Enterprise
Licenses
MIT
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