[License-review] [2nd Resubmission] ModelGo Attribution License, Version 2.0
Moming Duan
duanmoming at gmail.com
Mon Dec 8 14:51:25 UTC 2025
Dear OSI License Review Community,
According to the previous discussions with Pam and McCoy, I have made quick updates to the MG0 and MG-BY licenses. The major modification is the exclusion of models created through distillation from the definition of Derivative Materials.
The newest text files are attached, and as suggested, I have included word-diff comparisons with the previous versions. As I mentioned in my last email, I intend to withdraw MG-BY-SA at this time because I cannot identify a clear gap that this license would fill, and also due to the “Preferred Form” concerns raised earlier by Carlo.
Please feel free to share any comments.
Word-diff:
MG0: https://www.diffchecker.com/f8OumPRF/
MG-BY: https://www.diffchecker.com/jVBWA9WF/
Best,
Moming

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ModelGo Zero License
Version 2.0, Dec 2025
By exercising the rights granted in Section 2.1, You acknowledge that You have read and
understood this License, including the Disclaimer in Section 3.
1. DEFINITIONS
"Complementary Materials" means the source code and scripts used to define, run, load,
benchmark and/or evaluate the Model, and prepare data for the purpose of training,
pretraining, fine-tuning and/or evaluation of the Model, and any tutorials, operating
manuals, user guides and/or documentation that guide users in using, operating,
implementing and/or customising the Model.
"Derivative Materials" means all improvements, modifications or derivative works to the
Licensed Materials or any part thereof that are created or developed by You (either by
Yourself or jointly with other third parties). The Derivative Materials do not include any
model developed by transferring patterns from Output, such as through distillation methods
or synthetic data generation techniques.
"Distribution" (or "Distribute") means any transmission, publication, sharing, or other
methods of making the Licensed Materials, Derivative Materials and/or Output available to
a third party, including providing the Licensed Materials or any part thereof as a hosted
service or remotely accessible service, such as API-based access or web access.
"Licensor" means the rights owner that is granting the License.
"Licensed Materials" means the Model and Complementary Materials that are Distributed
by the Licensor under this License. The Licensed Materials do not include any datasets
used for pretraining, training, adapting, or evaluating the Model, which may or may not be
made available under a separate license.
"Model" means the machine-learning constructs and/or assemblies licensed by the
Licensor under this License, including any checkpoints, learned weights, parameters
(including optimizer states) and the model architecture.
"Output" means any information, data, and/or content, including but not limited to images,
text, text effects, audio files, and/or video files, generated through operation of the Model.
"You" (or "Your") means you, or any other person or entity you are entering into this
license on behalf of, provided you have the legal authority to bind such person or entity.
2. LICENSE RIGHTS
2.1 Grant of Rights
(a) The Licensor hereby grants to You a non-exclusive, sublicensable, irrevocable,
royalty-free, worldwide license under the relevant copyrights, patent rights, database
rights, and any other intellectual property rights to:
(i) make, have made, use, reproduce, sell, offer to sell, import, publicly display,
publicly perform, and Distribute the Licensed Materials;
(ii) use the Licensed Materials to create Derivative Materials; and
(iii) make, have made, use, reproduce, sell, offer to sell, import, publicly display,
publicly perform, and Distribute Derivative Materials.
2.2 Reservation of Rights
You shall not refer to the Licensor or use the Licensor's trademarks, trade names, and
service marks, for any publicity, advertising or marketing purposes, without the Licensor's
prior written consent.
3. DISCLAIMER
TO THE MAXIMUM EXTENT PERMISSIBLE UNDER APPLICABLE LAW, THE LICENSED MATERIALS ARE
PROVIDED ON AN "AS IS" AND "AS AVAILABLE" BASIS WITHOUT ANY REPRESENTATION OR
WARRANTY OF ANY KIND (WHETHER EXPRESS, IMPLIED, STATUTORY OR OTHERWISE), INCLUDING
OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A PARTICULAR PURPOSE, TITLE,
ACCURACY, CORRECTNESS, ABSENCE OF ERROR, RELIABILITY, TIMELINESS, NON-INFRINGEMENT
OF OR COMPLIANCE WITH ANY LAWS, REGULATIONS AND/OR THIRD-PARTY RIGHTS, ALL OF WHICH
ARE EXPRESSLY DISCLAIMED BY THE LICENSOR.
4. LIMITATION OF LIABILITY
TO THE MAXIMUM EXTENT PERMISSIBLE UNDER APPLICABLE LAW, THE LICENSOR SHALL NOT BE
LIABLE FOR ANY CLAIMS, DAMAGES, OR ANY OTHER LIABILITIES, IN ANY WAY ARISING OUT OF OR IN
CONNECTION WITH THE LICENSED MATERIALS, DERIVATIVE MATERIALS, AND/OR OUTPUT,
WHETHER ON AN ACTION OR CLAIM IN CONTRACT, TORT (INCLUDING NEGLIGENCE), BREACH OF
STATUTORY DUTY OR OTHERWISE, EVEN IF THE LICENSOR HAS BEEN ADVISED OF THE POSSIBILITY
OF SUCH DAMAGES.
5. MODIFICATION OF THIS LICENSE
This License is Copyright © 2025 National University of Singapore. Permission is granted
to copy, distribute, or communicate this License without modification. Nothing in this
License permits You to modify this License as applied to the Licensed Materials. However,
You may modify the text of this License and copy, distribute or communicate Your modified
version and apply it to other original works of authorship, provided that You do not use the
name "ModelGo" for your version of the license and furnish a readable notice describing
Your modifications to this License.
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ModelGo Attribution License
Version 2.0, Dec 2025
By exercising the rights granted in Section 2.1, You acknowledge and agree that You have read,
understood, and agree to be bound by the terms and conditions of this License. If You do not
agree to any terms and/or conditions of this License, then the Licensor grants You no rights
under this License.
1. DEFINITIONS
"Complementary Materials" means the source code and scripts used to define, run, load,
benchmark and/or evaluate the Model, and prepare data for the purpose of training,
pretraining, fine-tuning and/or evaluation of the Model, and any tutorials, operating
manuals, user guides and/or documentation that guide users in using, operating,
implementing and/or customising the Model.
"Derivative Materials" means all improvements, modifications or derivative works to the
Licensed Materials or any part thereof that are created or developed by You (either by
Yourself or jointly with other third parties). The Derivative Materials do not include any
model developed by transferring patterns from Output, such as through distillation methods
or synthetic data generation techniques.
"Distribution" (or "Distribute") means any transmission, publication, sharing, or other
methods of making the Licensed Materials, Derivative Materials and/or Output available to
a third party, including providing the Licensed Materials or any part thereof as a hosted
service or remotely accessible service, such as API-based access or web access.
"Licensor" means the rights owner that is granting the License.
"Licensed Materials" means the Model and Complementary Materials that are Distributed
by the Licensor under this License. The Licensed Materials do not include any datasets
used for pretraining, training, adapting, or evaluating the Model, which may or may not be
made available under a separate license.
"Model" means the machine-learning constructs and/or assemblies licensed by the
Licensor under this License, including any checkpoints, learned weights, parameters
(including optimizer states) and the model architecture.
"Output" means any information, data, and/or content, including but not limited to images,
text, text effects, audio files, and/or video files, generated through operation of the Model.
"You" (or "Your") means you, or any other person or entity you are entering into this
license on behalf of, provided you have the legal authority to bind such person or entity.
2. LICENSE RIGHTS
2.1 Grant of Rights
(a) Subject to the conditions in Section 2.2 of this License, the Licensor hereby grants to
You a non-exclusive, sublicensable, irrevocable, royalty-free, worldwide license
under the relevant copyrights, patent rights, database rights, and any other
intellectual property rights to:
(i) make, have made, use, reproduce, sell, offer to sell, import, publicly display,
publicly perform, and Distribute the Licensed Materials;
(ii) use the Licensed Materials to create Derivative Materials; and
(iii) make, have made, use, reproduce, sell, offer to sell, import, publicly display,
publicly perform, and Distribute Derivative Materials.
2.2 Conditions
(a) If You Distribute any of the Licensed Materials or Derivative Materials, You shall:
(i) provide a copy of this License with the Licensed Materials or Derivative
Materials;
(ii) in the case of Distributing Derivative Materials, provide as part of the
Distribution, prominent notices stating that You have modified the Licensed
Materials and the relevant date of such modification;
(iii) retain as part of the Distribution any existing copyright notice, attribution notice,
and/or any notice identifying the authors of the Licensed Materials and any
Derivative Materials.
2.3 Reservation of Rights
You shall not refer to the Licensor or use the Licensor's trademarks, trade names, and
service marks, for any publicity, advertising or marketing purposes, without the Licensor's
prior written consent.
3. DISCLAIMER
TO THE MAXIMUM EXTENT PERMISSIBLE UNDER APPLICABLE LAW, THE LICENSED MATERIALS ARE
PROVIDED ON AN "AS IS" AND "AS AVAILABLE" BASIS WITHOUT ANY REPRESENTATION OR
WARRANTY OF ANY KIND (WHETHER EXPRESS, IMPLIED, STATUTORY OR OTHERWISE), INCLUDING
OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A PARTICULAR PURPOSE, TITLE,
ACCURACY, CORRECTNESS, ABSENCE OF ERROR, RELIABILITY, TIMELINESS, NON-INFRINGEMENT
OF OR COMPLIANCE WITH ANY LAWS, REGULATIONS AND/OR THIRD-PARTY RIGHTS, ALL OF WHICH
ARE EXPRESSLY DISCLAIMED BY THE LICENSOR.
4. LIMITATION OF LIABILITY
TO THE MAXIMUM EXTENT PERMISSIBLE UNDER APPLICABLE LAW, THE LICENSOR SHALL NOT BE
LIABLE FOR ANY CLAIMS, DAMAGES, OR ANY OTHER LIABILITIES, IN ANY WAY ARISING OUT OF OR IN
CONNECTION WITH THE LICENSED MATERIALS, DERIVATIVE MATERIALS, AND/OR OUTPUT,
WHETHER ON AN ACTION OR CLAIM IN CONTRACT, TORT (INCLUDING NEGLIGENCE), BREACH OF
STATUTORY DUTY OR OTHERWISE, EVEN IF THE LICENSOR HAS BEEN ADVISED OF THE POSSIBILITY
OF SUCH DAMAGES.
5. TERMINATION
This License shall terminate immediately if You breach any material term and/or condition
of this License, or if You initiate any legal action against the Licensor alleging that the
Licensed Materials and/or Derivative Materials infringe any patent worldwide. Sections 3, 4
and 6 shall survive the termination of this License.
6. MODIFICATION OF THIS LICENSE
This License is Copyright © 2025 National University of Singapore. Permission is granted
to copy, distribute, or communicate this License without modification. Nothing in this
License permits You to modify this License as applied to the Licensed Materials. However,
You may modify the text of this License and copy, distribute or communicate Your modified
version and apply it to other original works of authorship, provided that You do not use the
name "ModelGo" for your version of the license and furnish a readable notice describing
Your modifications to this License.
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