LangChain
Engineering platform and open-source frameworks to build, test, and deploy reliable AI agents.
Visit websitelangchain.com
Overview
LangChain offers an engineering platform and open-source frameworks designed to help developers build, test, and deploy reliable AI agents. It provides tools to observe, evaluate, and improve agent performance, connecting large language models (LLMs) to data sources and enabling complex interactions. Targeting developers and data scientists, LangChain facilitates the creation and robust deployment of LLM-powered applications.
Plans & Pricing
DeveloperFree
$0/mo
Up to 5k base traces/month for solo users.
Team
$39/mo
Unlimited seats, custom trace volume per seat.
Enterprise
Custom
Advanced hosting, security, and support for large teams.
Last checked: 2026-03-24
What's New with LangChain
Latest news, updates, and media coverage
17h ago·95
Anthropic's Claude AI gains desktop control capabilities
Yesterday·90
Luma AI Uni-1 Challenges Image Dominance; OpenAI Enhances Sora Safety; Gimlet Labs Raises $80M
Yesterday·90
GitAgent Unifies AI Agent Development Amidst New Platform Launches
Yesterday·93
Gan.ai selected to utilize funding for advanced AI model development
2 days ago·90
Andrej Karpathy says AI agents write 80% of his code, speeding development
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Frequently asked questions about LangChain
Yes, LangChain offers a freemium plan. Engineering platform and open-source frameworks to build, test, and deploy reliable AI agents.
LangChain offers an engineering platform and open-source frameworks designed to help developers build, test, and deploy reliable AI agents. It provides tools to observe, evaluate, and improve agent pe...
Key features of LangChain include: SDKs available for Python, TypeScript, Go, and Java, Analytics and AI-driven insights for trace pattern analysis, Reusable LLM-as-judge and multi-turn evaluations with human feedback, Supports human-in-the-loop interactions and scalable agent runtime.
LangChain is primarily designed for businesses and professionals. Engineering platform and open-source frameworks to build, test, and deploy reliable AI agents.
Popular alternatives to LangChain include Google Gemini, Meta AI Studio, Siri. Compare their features on Decod.tech to find the best fit.
LangChain remains relevant in 2026. LangChain offers an engineering platform and open-source frameworks designed to help developers build, test, and deploy reliable AI agents. It provide The pricing model is freemium. Check reviews and comparisons on Decod.tech to decide.
LangChain offers a freemium plan. You can start for free and upgrade as your needs grow. Visit the official pricing page for details.