Overview
LangChain provides the engineering platform and open-source frameworks for developers to build, test, and deploy reliable AI agents. It offers SDKs in Python, TypeScript, Go, and Java, along with tools for analytics, AI-driven insights, and reusable evaluation methods. The platform supports human-in-the-loop interactions and scalable, distributed runtimes for complex agent swarms.
Plans & Pricing
FreeFree
$0/mo
Up to 5k base traces
Pay As You Go
Custom
Pay as you go after 5k base traces
SoloFree
$0/mo
Free for solo users
Team
$39/mo
Add unlimited seats
Last checked: 2026-04-06
What's New with LangChain
Latest news, updates, and media coverage
Mar 24·95
Anthropic's Claude AI gains desktop control capabilities
Mar 24·90
Luma AI Uni-1 Challenges Image Dominance; OpenAI Enhances Sora Safety; Gimlet Labs Raises $80M
Mar 23·90
GitAgent Unifies AI Agent Development Amidst New Platform Launches
Mar 23·93
Gan.ai selected to utilize funding for advanced AI model development
Mar 23·90
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. Observe, Evaluate, and Deploy Reliable AI Agents
LangChain provides the engineering platform and open-source frameworks for developers to build, test, and deploy reliable AI agents. It offers SDKs in Python, TypeScript, Go, and Java, along with tool...
Key features of LangChain include: SDKs for Python, TypeScript, Go, and Java, Analytics and AI-driven insights, Reusable LLM-as-judge and multi-turn evals, Supports human-in-the-loop interactions and scalable runtimes.
LangChain is primarily designed for businesses and professionals. Observe, Evaluate, and Deploy Reliable AI Agents
Popular alternatives to LangChain include Cursor, Google AI Studio, Cohere. Compare their features on Decod.tech to find the best fit.
LangChain remains relevant in 2026. LangChain provides the engineering platform and open-source frameworks for developers to build, test, and deploy reliable AI agents. It offers SDKs in 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.