Version history

DeepSeek simplified its public-facing DeepSeek-R1 repository license documentation by removing supplementary explanatory text. The repository continues to be licensed under the MIT License, which permits commercial use, modification, distribution, and sublicensing. The change removed a disclaimer note and a link to additional license learning resources, but the core MIT License grant and liability limitation clause remain in place.

DeepSeek's MIT License repository page was updated on July 31, 2026 to include additional metadata and descriptive text about the license terms. The updated page now displays a summary stating that 'Licensed works, modifications, and larger works may be distributed under different terms and without source code,' along with a structured breakdown of permissions (commercial use, modification, distribution, private use), limitations (liability, warranty), and conditions (license and copyright notice). The underlying MIT License text itself remains unchanged; the modifications appear to be UI and documentation enhancements to the GitHub repository display.

The detected change on July 30, 2026 shows minor metadata updates to DeepSeek's DeepSeek-R1 repository page (pull requests changed from 24 to 16, Issues changed from 14 to 16). The underlying MIT License text itself remains unchanged. This appears to be a repository statistics update rather than a substantive policy or license term modification.

DeepSeek's MIT License file was restructured in an update detected on July 28, 2026. The license removed supplementary explanatory text that described permitted uses, limitations, and conditions in plain language, as well as a disclaimer that the summary was not legal advice. The core MIT License text itself remains unchanged, but the supporting documentation and metadata navigation elements were simplified or removed.

DeepSeek updated its DeepSeek-R1 repository license documentation in an update detected on July 26, 2026. The change added a structured summary of the MIT License terms, including explicit enumeration of permitted uses (commercial use, modification, distribution, private use) and limitations (liability, warranty). The license itself remains MIT, but the updated documentation now includes a disclaimer that 'This is not legal advice' and notes that 'Licensed works, modifications, and larger works may be distributed under different terms and without source code.' This clarifies the scope of what users may do with the software and how derivative works may be licensed.

A change was detected in DeepSeek's repository file metadata on July 25, 2026. The GitHub interface shows a minor update to issue tracking metadata: the issue count changed from 17 to 18. This appears to be a routine repository activity change rather than a substantive modification to the MIT License terms themselves.

DeepSeek's MIT License file was updated in an update detected on July 24, 2026. Three sentences were removed, including language stating that 'Licensed works, modifications, and larger works may be distributed under different terms and without source code,' a permissions and limitations summary table, and a 'Learn more about repository licenses' link. The MIT License text itself remained substantively unchanged, preserving the core grant of rights to use, modify, distribute, and sublicense the software, along with the liability disclaimer.

DeepSeek updated its DeepSeek-R1 repository license documentation in an update detected on July 22, 2026. The change added clarifying language about the MIT License permissions and limitations, explicitly stating that 'Licensed works, modifications, and larger works may be distributed under different terms and without source code.' The underlying MIT License terms themselves remained substantively unchanged, but the updated page now includes structured summaries of permissions (commercial use, modification, distribution, private use), limitations (liability, warranty), and conditions (license and copyright notice), along with a disclaimer that 'This is not legal advice.'

DeepSeek's MIT License file was updated in an update detected on July 20, 2026. Three sentences were removed from the repository display, including language describing how licensed works could be distributed under different terms, a summary of permissions and limitations, and a note that the information was not legal advice. The core MIT License text itself—granting rights to use, modify, distribute, and sublicense the software, and disclaiming liability—remains unchanged. The practical effect is that the GitHub repository page no longer displays supplementary information about how the license operates, though the underlying license grant and liability disclaimer remain in effect.

DeepSeek's MIT License repository page was updated to include standard license summary information and disclaimers. The change adds a summary statement that licensed works and modifications may be distributed under different terms without source code, displays standard license permissions and limitations, and includes a notice stating 'This is not legal advice.' The underlying MIT License text itself remains unchanged.

DeepSeek updated their DeepSeek-R1 model license on July 17, 2026. The update removed supplementary guidance text that explained license permissions, limitations, and conditions in simplified language, as well as a disclaimer stating 'This is not legal advice.' The core MIT License text itself—which grants free use, modification, distribution, and sublicensing rights while disclaiming liability—remained unchanged. The practical effect is that users now encounter only the formal MIT License statement without the accompanying explanatory framework.

The detected change appears to be a technical update to a GitHub repository page for DeepSeek-R1, with minor metadata adjustments (Issues count changed from 21 to 22, Pull requests from 24 to 23). The core licensing language—stating that DeepSeek-R1 is licensed under the MIT License with conditions requiring preservation of copyright and license notices—remains unchanged. No material alteration to the terms, conditions, or operational requirements appears in this update.

DeepSeek updated its DeepSeek-R1 model license on July 11, 2026 by adding clarifying language about the MIT License terms under which the model is distributed. The updated license now explicitly states that licensed works, modifications, and larger works may be distributed under different terms and without source code, and includes a summary table of permissions (commercial use, modification, distribution, private use), limitations (liability, warranty), and conditions (license and copyright notice). The practical effect is that the license terms remain substantively unchanged (MIT License has always permitted these uses), but the updated document provides more transparent disclosure of what the MIT License permits and restricts.

DeepSeek's DeepSeek-R1 repository LICENSE file was updated on July 6, 2026. The document continues to be published under the MIT License with standard copyright and permission language. The detected change appears to reflect only a minor metadata update (Issues count changed from 22 to 21), with no material modification to the actual license terms or conditions governing use of the DeepSeek-R1 software.

The detected change shows a single metadata update to the DeepSeek-R1 LICENSE file on GitHub: the issue count changed from 23 to 22. This is a repository metadata change, not a modification to the actual MIT License terms that govern use of the DeepSeek-R1 software. The license language itself remains unchanged.

The detected change shows a minor metadata update in DeepSeek's public repository interface: the pull request count changed from 25 to 23. This appears to be a repository housekeeping update, not a substantive change to the underlying MIT License terms that govern the DeepSeek-R1 software. The license itself, which permits use, modification, and distribution with attribution, remains unchanged.

DeepSeek modified the MIT License file documentation on its DeepSeek-R1 repository on June 29, 2026. The change removed supplementary explanatory text that described common permissions and limitations of the MIT License, such as the ability to use the software commercially, modify it, and distribute it. The core MIT License text itself—which grants broad permissions to use, modify, and distribute the software subject only to preserving copyright and license notices—remains unchanged. This is a documentation simplification that does not alter the actual licensing terms.

DeepSeek updated its DeepSeek-R1 model license file on June 28, 2026 to add summary language clarifying that the MIT License permits commercial use, modification, distribution, and private use, with conditions requiring preservation of copyright and license notices. The change added a statement that 'licensed works, modifications, and larger works may be distributed under different terms and without source code,' and included a disclaimer that the summary is not legal advice. The underlying MIT License text itself remains unchanged; the update adds interpretive summary material to make the license terms more accessible to users viewing the repository.

DeepSeek's GitHub repository page for the DeepSeek-R1 model experienced a technical display error on June 25, 2026, causing the LICENSE file view to show an error message rather than the actual license text. The underlying MIT License file itself remains intact and unchanged, containing the standard MIT terms authorizing commercial use, modification, distribution, and private use. The operational impact is that users attempting to view the license terms through the GitHub web interface encounter an error rather than readable license text, though the raw license file and its actual terms remain accessible through alternative GitHub viewing methods.

DeepSeek updated the LICENSE file for DeepSeek-R1 on June 21, 2026 by adding clarifications to the MIT License display. The updated document now includes a statement that licensed works, modifications, and larger works may be distributed under different terms and without source code, alongside a structured summary of permissions (commercial use, modification, distribution, private use), limitations (liability, warranty), and conditions (license and copyright notice). The change does not alter the underlying MIT License text itself, which remains standard open-source boilerplate, but adds explanatory metadata and contextual language around how the license operates.

The provided diff context shows identical MIT License text in both the before and after versions. No substantive change to the DeepSeek Model License terms was detected in the available comparison data. The document metadata indicates 1 sentence was modified, but the actual license language presented does not reveal what that modification was. Without visibility into the specific sentence-level change, operational impact cannot be determined.

The provided diff context shows nearly identical MIT License text before and after the detected change on June 16, 2026. The only observable difference appears to be a metadata change in the GitHub repository statistics (Pull requests count changed from 23 to 24), not an alteration to the actual license terms themselves. The MIT License language permitting use, modification, and distribution of the DeepSeek-R1 software remains unchanged.

DeepSeek removed supplementary explanatory text from their MIT License file on June 13, 2026. The license itself—a standard open-source permissive license granting rights to use, modify, and distribute the software—remains unchanged. The removed text included a note stating that licensed works and modifications may be distributed under different terms without requiring source code, as well as a summary of permissions and limitations. The operational effect is that the license file now displays only the core MIT License text without supplementary guidance or interpretation.

DeepSeek updated the public repository display of its MIT License for the DeepSeek-R1 model on June 11, 2026. The change added informational text to the GitHub license page clarifying that the software is released under the MIT License with standard permissions (commercial use, modification, distribution, private use) and conditions (requiring preservation of copyright and license notices). The operational difference is minimal: the underlying MIT License terms remain unchanged, but the repository now displays a summary of permissions and limitations alongside the full license text.

DeepSeek updated its MIT License file on June 11, 2026 by removing supplementary documentation and clarifications that previously appeared alongside the standard MIT license text. The change removes three sentences that described permitted uses (commercial use, modification, distribution, private use), limitations (liability, warranty), and conditions (license and copyright notice), along with a disclaimer stating 'This is not legal advice.' The core MIT License text granting rights to use, modify, and distribute the software remains unchanged. The practical effect is that users now encounter only the standard MIT License language without the prior explanatory framework.

DeepSeek updated its GitHub repository license page on June 9, 2026 to add clarifying language about the MIT License terms. The changes added three sentences stating that licensed works and modifications may be distributed under different terms without source code, and listed key permissions (commercial use, modification, distribution, private use) and conditions (license and copyright notice preservation). The underlying MIT License itself remains unchanged; the update clarifies how the existing license terms apply in practice.

DeepSeek removed three sentences from their DeepSeek-R1 license file on June 8, 2026. The removed text included a statement that licensed works and modifications may be distributed under different terms without source code, a summary of permissions and limitations, and a disclaimer that the license summary was not legal advice. The license file now contains only the core MIT License text without these explanatory materials.

DeepSeek updated its DeepSeek-R1 model license on June 2, 2026 by adding clarifying language on GitHub describing the MIT License terms. The updated license now includes explicit statements that licensed works may be distributed under different terms without source code, and adds a summary of permissions (commercial use, modification, distribution, private use) and limitations (liability, warranty). The substantive MIT License text itself remains unchanged; the additions consist of explanatory metadata and GitHub-generated license summaries that clarify the scope of rights and restrictions already inherent in the MIT License.

The detected change in the diff context shows only a metadata change in the GitHub repository: the pull request count changed from 18 to 20. The actual MIT License text itself—which governs use of the DeepSeek-R1 model—remains unchanged. No modification to the substantive license terms, permissions, or conditions was made.

DeepSeek updated the DeepSeek-R1 LICENSE file on May 29, 2026 by removing supplementary educational text and maintaining the core MIT License terms. The change removed a disclaimer note ('This is not legal advice'), a summary table listing permissions and conditions, and explanatory language about distribution terms. The operative MIT License grant and liability waiver remain unchanged, meaning users retain the same legal permissions and protections under the MIT License itself.

DeepSeek updated the LICENSE file for its DeepSeek-R1 model on May 27, 2026, adding explanatory language about the MIT License. The update inserted a summary stating that 'licensed works, modifications, and larger works may be distributed under different terms and without source code,' along with a breakdown of permissions (commercial use, modification, distribution, private use) and conditions (license and copyright notice required). The practical effect is that the license file now includes GitHub's standard MIT License summary card, which clarifies permitted uses and conditions, without changing the underlying MIT License terms themselves.

DeepSeek modified its DeepSeek-R1 model LICENSE file on May 26, 2026 by removing three sentences of supplementary guidance text. The removed text included a statement about licensing flexibility ('Licensed works, modifications, and larger works may be distributed under different terms and without source code') and a disclaimer ('This is not legal advice'). The updated license now contains only the core MIT License text without the additional explanatory sentences, though the operative MIT License permissions and conditions remain unchanged.

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 detected change shows only a minor, non-substantive difference in the GitHub repository metadata: the pull request count increased from 14 to 15 in the file view interface. The core MIT License text itself remains identical across both versions. This is a repository activity update, not a change to the licensing terms or legal permissions that govern the DeepSeek-R1 software.

DeepSeek updated the LICENSE file for its DeepSeek-R1 model on May 15, 2026. The change removed three sentences that previously appeared in the GitHub repository's LICENSE display: one sentence clarifying that licensed works and modifications may be distributed under different terms without source code, and two sentences describing permissions and limitations. The core MIT License text and liability disclaimer remain unchanged. The practical effect is that the repository's LICENSE file now displays only the standard MIT License text without the supplementary explanatory language that was previously visible.

DeepSeek updated the GitHub repository page for its DeepSeek-R1 model license on May 14, 2026 to add summary language describing the MIT License terms. The update added three new sentences explaining that the software may be distributed under different terms and listing the permissions (commercial use, modification, distribution, private use) and conditions (license and copyright notice preservation) that apply. The underlying MIT License text itself remains unchanged; the modification adds explanatory metadata and GitHub's standard license summary feature to the repository page.

The detected change appears to be a metadata update in the GitHub repository interface (issue count changed from 17 to 16), not a substantive modification to the MIT License text itself. The license content remained identical between versions. No material operational change to the license terms occurred.

DeepSeek updated the DeepSeek-R1 repository LICENSE file on May 13, 2026, removing three sentences of supplementary text while retaining the core MIT License terms. The removed text included a statement about distributing modifications under different terms, a summary of permissions and limitations, and a disclaimer that the text was not legal advice. The operative MIT License language—granting rights to use, modify, distribute, and sublicense the software—remains unchanged.