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…”

“ 6.1 Ownership of the Services. The Services, including their “look and feel” (e.g., text, graphics, images, logos), proprietary content, information and other materials, are protected under copyright, trademark and other intellectual property laws. You agree that the Company and…”

“ 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…”

“ In connection with your use of the Services, you may be able to post, upload, or submit content to be made available through the Services (collectively with Input, “Your Content”). As between the Company and you, the Company does not claim any ownership in Your Content; provided…”

“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.

“In addition to the specific uses described above, we may use most of the above information to provide you with and improve the Services (including our AI models) and to maintain our business relationship, including by enhancing the safety and security of our Services (e.g., troub…”

User data — which includes 'most' categories described above (including Service Interaction Information, i.e., prompts and outputs) — may be used to improve AI models. No opt-out mechanism is described here.

“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.

“ exploit the Services for any commercial purpose, including without limitation communicating or facilitating any commercial advertisement or solicitation; ”

“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.

“To the extent the laws in your jurisdiction do not recognize the legal basis of legitimate interest or another legal basis specified above for a particular purpose, you consent to the processing of your personal information for that purpose through using the Services.”

Perplexity uses mere use of the Services as implied consent for processing where 'legitimate interests' is not recognized as a valid legal basis. This is a broad fallback consent mechanism that may not be valid under GDPR or other strict privacy regimes.

“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…”

“ 2.4 No Subscription Refunds. Except as expressly set forth in these Terms or in any country-specific billing and consumer information pages, payments for any subscriptions to the Services are nonrefundable and there are no credits for partially used periods. Following any cance…”