Langroid
Python framework for multi-agent programming with LLMs.
Updated
✨ Try AgentScout's free AI image generator →Good for: writing code, building AI agents, building multi-agent systems
Use cases
About Langroid
Langroid is listed in our frameworks category and is aimed at builders. Python framework for multi-agent programming with LLMs. Pricing, as the maker states it: Open source. Maturity: Active. We last checked the official link on 2026-10-16.
What is Langroid?
Langroid is a lightweight, extensible Python framework for building LLM-powered applications, from researchers at CMU and UW-Madison. You set up agents, equip them with optional components such as an LLM, a vector store and tools, assign them tasks and have them collaborate.
Its maintainers note that pull requests are by invitation, for changes motivated by real use of Langroid in an organization.
Sources: the official README and our directory listing, checked 2026-10-18. Official site: langroid.github.io/langroid.
Who is Langroid for?
Python developers who want a principled multi-agent framework built around agents and tasks.
Langroid at a glance
- Open source: Yes (MIT License)
- GitHub: langroid/langroid · 4,119 stars (as of Oct 21, 2026)
Key features
- Agents with optional LLM, vector store and tools
- Task-based multi-agent collaboration
- Lightweight and extensible
Langroid FAQ
What is Langroid?
Langroid is a lightweight, extensible Python framework for building LLM-powered applications, from researchers at CMU and UW-Madison. You set up agents, equip them with optional components such as an LLM, a vector store and tools, assign them tasks and have them collaborate.
Who is Langroid for?
Python developers who want a principled multi-agent framework built around agents and tasks.
Is Langroid free?
Langroid's pricing, as the maker states it: Open source. Open-source tools are free to use, though you may still pay for model API usage or a hosted plan. Check the official site for current plans.
Is Langroid open source?
Yes. Langroid is released under the MIT License, according to its GitHub repository.
What are alternatives to Langroid?
Similar tools include CrewAI, Agno, Pydantic AI, BotSharp, AG2 and MetaGPT.
Langroid ratings and reviews
Be the first to rate Langroid: tap 1 to 5 stars below. A written review is optional.
Langroid alternatives
Other frameworks tools in our directory. See all frameworks tools →
CrewAI
Framework for role-based multi-agent crews.
Agno
Python framework and runtime for building, running and managing multi-agent systems with memory, knowledge and tools.
Pydantic AI
Type-safe Python agent framework from the Pydantic team.
BotSharp
Multi-agent framework for .NET.
AG2
AG2, the community continuation of AutoGen, an open-source framework for multi-agent systems.
MetaGPT
Multi-agent framework that assigns roles like product manager and engineer to LLM agents to build software.
Popular searches with this tool
🏆 Ranked in: ChatDev alternatives
🔁 Listed in: ChatDev alternatives
🧭 Task guides: Multi-agent orchestration tools for building AI agents
💲 Estimate API cost: compare per-request and monthly costs for GPT, Claude, Gemini and Grok models.
Badge for makers
Built Langroid? Add this badge to your README or site. It links back to this page. About badges
