Open Deep Research (LangChain)
Our verdict
The best starting point if you want your own deep-research agent with your choice of models and search tools. Expect to tune prompts and costs. Not a consumer product.
- Who it's for
- Developers building research features
- Leverage
- Own and customise the research pipeline
- Effort
- High
- Date added
What it does
Open Deep Research is LangChain's open-source deep research agent built on LangGraph, configurable across model providers, search tools and MCP servers.
How builders use it
- Run it locally to compare against hosted deep research.
- Swap in your internal search or MCP tools for private research.
- Embed it as a step in a larger workflow.
What to expect
A deep research capability you can inspect, extend and host.
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Want more like this?
Practical discoveries, without the noise.