Two platforms.
Same questions.

“ We and our affiliates own all rights, title, and interest in and to the Services. You may only use our name and logo in accordance with our Brand Guidelines⁠ ⁠ . ”

“ 4.1 You are responsible for all Inputs you submit to our Services and corresponding Outputs. By submitting Inputs to our Services, you represent and warrant that you have all rights, licenses, and permissions that are necessary for us to process the Inputs under our Terms. Y…”

“ Similarity of content. Due to the nature of our Services and artificial intelligence generally, output may not be unique and other users may receive similar output from our Services. Our assignment above does not extend to other users’ output or any Third Party Output. ”

“we grant you a revocable, non-transferable, and non-exclusive right to legally use this product and related services. All other rights not expressly authorized by these Terms are reserved by DeepSeek, and before exercising such rights, you must obtain written permission from…”

The terms do not explicitly assign ownership of generated outputs to users. Combined with DeepSeek's broad reservation of all non-expressly-granted rights, there is no clear statement that users own or receive an unrestricted license to their outputs.

“ For information about how we collect and use training information to develop our language models that power ChatGPT and other Services, and your choices with respect to that information, please see this policy as well as this help center article ⁠ (opens in a new window) . ”

“To improve and develop the Services and to train and improve our technology, such as our machine learning models and algorithms. Including by monitoring interactions and usage across your devices, analyzing how people are using it, and training and improving our technology.”

User inputs and interactions are explicitly used to train AI models with no opt-out mechanism described in this section.

“ What you can do. Subject to your compliance with these Terms, you may access and use our Services. In using our Services, you must comply with all applicable laws as well as our Sharing & Publication Policy⁠ ⁠ , Usage Policies⁠ ⁠ , and any other documentation, guidelines, or pol…”

“ (4) Without DeepSeek's authorization, copying, transferring, leasing,”

“ Respect privacy . People are entitled to privacy. So, we don’t allow attempts to compromise the privacy of others, including to aggregate, monitor, profile, or distribute individuals’ private or sensitive information without their authorization. And, you may never use our servic…”

“the right to delete Personal Data you’ve provided to us, or that we’ve obtained about you;”

The policy mentions a deletion right but provides no information on actual retention periods, deletion timelines, or whether model weights trained on user data can be 'deleted'.

“ Our Business Terms⁠ ⁠ govern use of ChatGPT Enterprise, our APIs, and our other services for businesses and developers. ”

“and **Payment Personal Data** are not applicable to DeepSeek App.”