Case & CodeA FIELD GUIDE TO AI
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Intermediate

Open source

Also: open-source

In plain words

Software whose code is published for anyone to use, study, and change.

The fuller definition

Open-source software is distributed under a license that grants rights to use, study, modify, and redistribute its source under the license's conditions.

How it fits together
  1. Source code

    Available implementation

  2. License

    Defined rights and conditions

  3. Community

    Can inspect and adapt

A simplified relationship, not a screenshot or a complete design.

A concrete example

An inference runtime publishes source code under a recognized open-source license.

The distinction that matters

A model labelled open may expose only weights; inspect the actual license and released components.

Related terms

Where it is taught

Understand the hardware a local model needs

Source and further reading

Open Source Initiative · Definition

The definition and example are written for this library. The link gives background, official documentation or legal authority as labelled. Legal scope depends on the jurisdiction and current text; product features depend on release and settings.

Lessons, terms, practical guides and sources ESC