DeepSeek updated its DeepSeek-R1 model license on May 25, 2026 to add clarifying language about the MIT License terms. The updated version now includes a summary statement that licensed works, modifications, and larger works may be distributed under different terms without requiring source code, along with a structured list of permissions (commercial use, modification, distribution, private use) and limitations (liability, warranty). The core MIT License text and copyright notice requirements remain unchanged, but the document now provides more explicit summary information alongside the original license terms.
The updated license documentation now explicitly states that the DeepSeek-R1 model is distributed under the MIT License and clarifies that licensed works, modifications, and larger works may be distributed under different terms without requiring source code. The core MIT License text remains unchanged, establishing that commercial use, modification, distribution, and private use are permitted, while liability and warranty are limited. No material change to the actual rights or obligations has occurred; this is a clarification of existing MIT License terms.
The updated license documentation makes explicit that DeepSeek-R1 is distributed under the MIT License and clarifies that derivative works and larger projects may be distributed under different terms. This clarification helps developers and organizations understand the scope of permissible use and distribution rights without requiring disclosure of modifications or source code.
Added explicit statement that licensed works, modifications, and larger works may be distributed under different terms without requiring source code.
Added structured summary of MIT License permissions (commercial use, modification, distribution, private use) and limitations (liability, warranty).
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
This change represents a clarification and formatting update to the license metadata for the DeepSeek-R1 model, not a substantive change to license terms. The underlying MIT License text is unchanged. The added summary language makes explicit what the MIT License already permits: derivative works, commercial use, and distribution under different terms. No new compliance obligations are created. Organizations already using the model under MIT License terms are unaffected.
Full compliance analysis
Obligation analysis, escalation trigger, board language, and recommended action.
Monitor: regulatory citations + obligations. Compliance: full compliance memo.
ConductAtlas provides verified policy intelligence sourced directly from platform documents. All analysis is intended to support, not replace, legal and compliance review. Record CA-C-002339.
See the full side-by-side comparison of every sentence added, removed, and modified.
🔒 Full diff — MonitorDeepSeek updated the LICENSE file for its DeepSeek-R1 model on May 27, 2026, adding explanatory language about the MIT License. …
DeepSeek modified its DeepSeek-R1 model LICENSE file on May 26, 2026 by removing three sentences of supplementary guidance text. The …
The detected change shows only a minor, non-substantive difference in the GitHub repository metadata: the pull request count increased from …
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