LangChain / LangGraph

Agents & AutomationDev FrameworkOpen source

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Open-source frameworks for building LLM applications and agents.

Agent framework
LangSmith monitoring

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Pricing & Plans

Pricing model

Open source

Paid plans

Plus: US$39/mo (Auto-extracted from the website; may be an annual plan's monthly equivalent; needs manual confirmation)
Free: US$39/mo (Auto-extracted from the website; may be an annual plan's monthly equivalent; needs manual confirmation)

Free tier

Framework is free and open source; LangSmith billed separately

Pricing page

https://www.langchain.com/pricing

Company info

Company: LangChain (US)
Last verified: 2026-10-07
Released: Unknown

⚠️ This page is compiled automatically from public web pages. Prices and plans may have changed, so check the official website. “Live AI Diagnosis” is an automated AI analysis for reference only. User reviews are personal opinions.

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