langchain

An open-source Python library you import to build agents and LLM-powered applications, providing a standard interface for models, embeddings and tools.

Our description, from the pages we read, as of 2026-10-14; reasoned from those pages, not observed running.

Rendered 2026-10-28

Key facts

Fact	Answer
Layer	Agent frameworks and runtimes (main layer), Company knowledge for agents
Forms	library

Data and compliance

Compliance: Set by whoever runs it, for their own deployment.
Data: Set by whoever runs it, with telemetry not checked yet.
Model and where it runs: Run by its operator.
Details: What the project's own pages state, not a compliance determination.

What the maker's own pages said on the dates shown, not a compliance determination.

Sources

GitHub page: langchain (the product's own site, from our list of products; not read for these lines)

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Our reading of vendors' pages, as of the dates shown. Confirm on the vendor's page before relying on any line that cites it. To report an error write to report@crinaro.ai