Agent Frameworks (Developers)free

LangChain Deep Agents

Batteries-included agent harness with planning, sub-agents and a virtual file system

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What LangChain Deep Agents does

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

LangChain Deep Agents — straight answers

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.

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LangChain Deep Agents alternatives

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LangGraph

Agent Frameworks (Developers)
free
  • Build stateful, multi-agent apps as graphs
  • Human-in-the-loop and durable execution
  • Works with any LLM
  • Open-source with a hosted platform
Visit

CrewAI

Agent Frameworks (Developers)
freemium
  • Role-based multi-agent 'crews'
  • Simple Python API for collaboration
  • Tasks, tools and flows
  • Open-source core
Visit

OpenAI Agents SDK

Agent Frameworks (Developers)
free
  • Lightweight agent orchestration from OpenAI
  • Agent handoffs, guardrails and tracing
  • Tool and function calling built in
  • Open-source, pay only for model usage
Visit

Microsoft AutoGen

Agent Frameworks (Developers)
free
  • Multi-agent conversation framework
  • Event-driven, async agent design
  • Studio UI for prototyping
  • Fully open-source
Visit

LlamaIndex

Agent Frameworks (Developers)
freemium
  • Leading framework for RAG and data agents
  • Connect LLMs to your documents & APIs
  • Agentic document workflows
  • Open-source with a hosted cloud
Visit

Google Agent Development Kit (ADK)

Agent Frameworks (Developers)
free
  • Open-source Python/Java framework from Google for building multi-agent systems
  • Native integration with Vertex AI Agent Engine and Gemini models
  • Model-agnostic — works with non-Google LLMs via LiteLLM
Visit

Head-to-head comparisons

LangChain Deep Agents vs LangGraphLangChain Deep Agents vs CrewAILangChain Deep Agents vs OpenAI Agents SDKLangChain Deep Agents vs Microsoft AutoGenLangChain Deep Agents vs LlamaIndexLangChain Deep Agents vs Google Agent Development Kit (ADK)