The diff shows a GitHub repository interface displaying DeepSeek's MIT License for the DeepSeek-R1 model. The BEFORE state contained an error message ('Uh oh!' and 'There was an error while loading'). The AFTER state displays the complete MIT License text, which permits free use, modification, distribution, and sublicensing of the software without restriction, provided the copyright notice and license text are included in copies. This change represents the successful loading or publication of the license file rather than a substantive modification to the license terms themselves.
Developers: If you use or distribute DeepSeek-R1, you must include the copyright notice and license text with your copies.
The updated license establishes that DeepSeek-R1 is available under the MIT License, which permits users to use, copy, modify, merge, publish, distribute, sublicense, and sell copies of the software without restriction, provided the copyright notice and license text are included. This is a permissive open-source license that imposes minimal obligations on users beyond attribution and license preservation.
Copyright notice and license text must be included in all copies or substantial portions of the software.
This change record describes what was added, removed, or modified in the document. Analysis reflects what the updated agreement states or permits. It does not constitute a legal determination about enforceability. Applicability may vary by jurisdiction. Methodology
Wording edits to this record that do not change what it claims. Changes to a claim are published as corrections.
DeepSeek has published the DeepSeek-R1 model under the MIT License, a standard permissive open-source license. Organizations using this model should note that the MIT License permits broad commercial and derivative use with minimal restrictions, requiring …
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