Two platforms.
Same questions.

“ The Services are owned, operated, and provided by us and our affiliates, licensors, distributors, and service providers (collectively “ Providers ”). We and our Providers retain all of our respective rights, title, and interest, including intellectual property rights, in and to…”

“ 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…”

“ We appreciate feedback, including ideas and suggestions for improvement or rating an Output in response to an Input (“ Feedback ”). If you rate an Output in response to an Input—for example, by using the thumbs up/thumbs down icon—we will store the related conversation as part o…”

“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.

“We may use your Inputs and Outputs to train our models and improve our Services, unless you opt out through your account settings. Even if you opt-out, we will use Inputs and Outputs for model improvement when: (1) your conversations are flagged for safety review to improve our a…”

Opt-out is available but has significant carve-outs: flagged conversations and explicitly reported content are always used for training regardless of opt-out preference. Users may not realize that reporting content or triggering safety review nullifies their opt-out.

“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.

“Human-in-the-loop: When using our products or services to provide advice, recommendations, or in subjective decision-making directly affecting individuals or consumers , a qualified professional in that field must review the content or decision prior to dissemination or finalizat…”

For high-risk use cases (legal, healthcare, finance, employment, etc.), a qualified professional must review AI outputs before they reach end users. This imposes significant operational cost and legal responsibility on the operator, who bears full accountability for accuracy and appropriateness.

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

“Retention period The period necessary to process your request”

Retention period for data shared with Korean subprocessor is defined only as 'the period necessary to process your request'—no specific timeframe is given, leaving duration indeterminate.

“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'.

“Except as expressly provided in these Terms or where required by law, all payments are non-refundable. Please check your order carefully before confirming it, and see below for additional information about recurring charges for our subscriptions. Additional fees.  We may increas…”

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