Home › AI Agents & Frameworks › LangChain
LangChain
Open-source framework and company for building LLM-powered applications and agents.
- Category
- AI Agents & Frameworks
- Pricing model
- Freemium Free tier plus paid plans. Source: https://www.langchain.com/pricing
- Official site
- https://www.langchain.com/
- Link checked
- 2026-10-31. Added 2026-10-31.
This entry gives the product's category, the pricing model as shown on the vendor's own pages when we could confirm it, and a link to the official site. It is not a review or an endorsement. Plans and prices change, so confirm on the vendor's site. Alternatives to LangChain. Compare: LangChain vs LlamaIndex.
Other AI Agents & Frameworks tools
| Tool | What it does | Pricing | Link |
|---|---|---|---|
| LangGraph | Framework for building stateful, controllable multi-step agents. | See site | Official site |
| Letta | Platform for building stateful agents with long-term memory. | Freemium | Official site |
| LlamaIndex | Framework and cloud services for building agents over your own data. | Freemium | Official site |
| Manus | General-purpose autonomous AI agent. | See site | Official site |
| Mastra | TypeScript framework for building AI agents and workflows. | Freemium | Official site |
| Mem0 | Memory layer for AI agents and applications. | See site | Official site |
| Microsoft Copilot Studio | Low-code platform for building custom copilots and agents. | See site | Official site |
| OpenAI Agents SDK | OpenAI's lightweight Python framework for multi-agent workflows. | Free | Official site |
All AI Agents & Frameworks tools · Best AI tools for building AI agents