LangChain
LangChain provides the engineering platform (LangSmith) and open source frameworks developers use to build, test, and deploy reliable AI agents.
Where LangChain ranks
Current edition · updated Oct 20, 2026About LangChain
LangChain provides the engineering platform (LangSmith) and open source frameworks developers use to build, test, and deploy reliable AI agents.
Products
Purpose-built infrastructure for deploying and managing long-running agent workloads with durable execution, real-time streaming, and horizontal scaling.
Surface and diagnose undetected issues autonomously to improve agents faster; clusters production failures into prioritized issues, finds the root cause in traces and code, and...
Complete visibility into agent behavior; debug failures by tracing full conversations and agent runs, identify what matters with Insights Agent, and monitor cost, latency, and e...
Iteratively improve agent quality with evals; test and calibrate LLM-as-judge, code-based, or multi-turn evaluators on real production traces and compare results side-by-side.
Ephemeral, isolated environments for running agent-generated code safely.
Bring agent capabilities to non-technical teams; describe what you need in plain language and Fleet builds the agent, learns from feedback, and asks permission before taking sen...
Framework-agnostic agent engineering platform for observing, evaluating, and deploying agents.
Build intelligent agents for open-ended work; for highly autonomous, long-running agents.
Low-level agent orchestration framework for building controllable, reliable agents with support for human-in-the-loop, customizable workflows, persistent memory, and first-class...
Quick start agents with any model provider; for building agents fast with templates.
Security and compliance
As reported by LangChain. Ask for audit reports before you buy.
- SOC 2 Type IICompliant
- ISO/IEC 27001Compliant
- HIPAACompliant
- Encryption at transit
- Encryption at rest
- Penetration testing performed at least annually
SubprocessorsConveo, Fieldguide, Frizzle, Pendo, Seals AI, Ezra AI Labs
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