# LangChain Deep Agents

Batteries-included agent harness with planning, sub-agents and a virtual file system. LangChain Deep Agents is free, with no paid plan attached, at github.com.

## Facts

- **Pricing tier:** Free
- **Works on:** API, Self-hosted, CLI
- **Works in browser:** No

## Capabilities

- Batteries-included agent harness with planning, sub-agents and a virtual file system
- Built on LangGraph, model-agnostic
- Open source

## FAQ

### What is LangChain Deep Agents?

LangChain Deep Agents is listed under Agent Frameworks (Developers), in the AI Agents & Automation category on Flocci AI Tools. Batteries-included agent harness with planning, sub-agents and a virtual file system. It is free, with no paid plan attached, and it lives at github.com.

### Is LangChain Deep Agents free?

LangChain Deep Agents is listed as fully free — there is no paid tier attached to it in the catalog. That makes it one of the 397 entries on Flocci AI Tools with no upgrade path built in.

### Can I use LangChain Deep Agents in a browser, or is there an app?

LangChain Deep Agents needs to be installed or self-hosted — it doesn't run in a browser tab. It is available on an API, self-hosting and the command line.

### What can LangChain Deep Agents do?

LangChain Deep Agents does 3 things the catalog singles out: Batteries-included agent harness with planning, sub-agents and a virtual file system; built on langgraph, model-agnostic; open source.

### What is the best free alternative to LangChain Deep Agents?

Agno is the closest free alternative: it sits in the same Agent Frameworks (Developers) sub-category and is free. AWS Strands Agents, CAMEL and Claude Agent SDK also start free. The full list is on the alternatives page.

## Related

- [LangChain Deep Agents alternatives](https://aitools.flocci.in/alternatives/langchain-deep-agents)
- [Agent Frameworks (Developers)](https://aitools.flocci.in/category/ai-agents-automation/agent-frameworks-developers)
- [Best free AI agent frameworks for developers](https://aitools.flocci.in/best/best-agent-frameworks-developers)
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Source: Flocci AI Tools — https://aitools.flocci.in/tool/langchain-deep-agents

Facts last verified: October 2026