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ROOT pricing

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Code · Vendor site 2026-10-04

ROOT is CERN’s open-source data analysis framework for high-energy physics and large-scale scientific computing, processing petabyte-scale datasets with C++ and Python interfaces. It ships interpreters, I/O libraries, statistical tools, and Jupyter notebook support for reproducible analysis.

Updated 2026-10-04View sources
Official website
Category
Code
Free access
ROOT is open source and free to download under the project license.
API access
Python and C++ APIs are documented for analysis workflows; no commercial SaaS tier is sold on root.cern.ch.

Understand the total cost

ROOT pricing & plans

Free

Free

ROOT is open source and free to download under the project license.

Access
ROOT is open source and free to download under the project license.

Price history

No retained pricing changes yet. A current price alone does not establish a historical trend.

How this profile is supported

Facts apply to the named version and check date. Send a sourced correction if something changed.

ROOT pricing questions

Is ROOT free?

Yes. ROOT has an ongoing free plan. ROOT is open source and free to download under the project license.

How much does ROOT cost?

ROOT is listed as free. No paid plan with a published price was found.

Does ROOT have an API?

API or developer access is mentioned. Python and C++ APIs are documented for analysis workflows; no commercial SaaS tier is sold on root.cern.ch.

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