Yolov8 license?

[tjasmin111]

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Question

So yolov8 has an agpl license. Does it mean if I don't modify the source code and only train a model, I can use it freely? Only if I modify the source code, I have to open source it. Is my impression correct?

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[glenn-jocher]

@tjasmin111 hello,

Thank you for your question regarding the YOLOv8 license. The AGPL-3.0 license applies to any usage of Ultralytics models, architectures, or code, regardless of whether you modify the source code or not. This means that any use of YOLOv8, including training a model, requires you to either fully open-source your entire project under the same AGPL-3.0 license or obtain an Ultralytics Enterprise License.

To clarify:

• If you use YOLOv8 in any capacity (training, inference, etc.), you must open-source your entire project under AGPL-3.0.
• If you prefer not to open-source your project, you will need to obtain an Ultralytics Enterprise License.

For more details on the licensing options and to apply for an Enterprise License, please visit Ultralytics Licensing.

If you have any further questions, feel free to ask. 😊

[JirkaTm]

Does this apply to the ByteTracker as well? I've noticed striking similarities between the original MIT implementation and the one used in this project. Should I use the MIT or AGPL-3.0 license for the tracker?

[pderrenger]

Hi @JirkaTm,

Great question! The ByteTracker implementation within the Ultralytics YOLO framework is indeed subject to the AGPL-3.0 license, just like the rest of the project. This means that any use of the tracker, whether it's training, inference, or integration, requires adherence to the AGPL-3.0 terms. If you prefer to use the original MIT-licensed ByteTracker, you'll need to source it directly from its original repository. Let me know if you have any other questions! 😊

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[glenn-jocher]

@JirkaTm the ByteTracker implementation in this project is subject to the AGPL-3.0 license. If you use it within the Ultralytics framework, you must comply with AGPL-3.0 or obtain an Enterprise License. For the original ByteTracker under MIT, you should refer to its respective repository.