LangChain is an open-source framework for building applications with large language models, providing abstractions for chains, agents, memory, and tool use that simplify complex LLM application development.
Category
Coding
Subcategory
API Development
Free Tier
Paid Plans
API Cost
LangChain Trust & Security Report
Certifications, AI-training posture, and security controls, with sourced proof.
Verified against LangChain's own trust and security pages. See the full report for sourced proof →
Region
Multi-region hosting: US (GCP US, AWS US), EU (GCP EU), and APAC (GCP EU/APAC per docs), selectable per organization at signup; a single org cannot currently split workspaces across regions. Primary personal-information processing occurs in the United States per the general privacy policy; DPA available via DocuSign for customers needing one.
Trains on Data
No
Self-hostable
Yes
