Turn this comparison into procurement-ready diligence
Free shows today's risk. A Stack Audit gives you a citable, verbatim-sourced PDF across your whole AI stack — and flags the moment a vendor's terms change.
SIDE-BY-SIDE · 2 OF 3
Two platforms.
Same questions.
Napkin AI
WORKFLOW & AUTOMATION
PROMPT
Under review.
OUTPUT
Under review.
TRAINING
Under review.
COMMERCIAL
Under review.
130 verified findings across the displayed surfaces.
Perplexity AI
ENTERPRISE SEARCH / PRODUCTIVITY
PROMPT
Users retain ownership of their queries and uploaded content per Perplexity's Terms.
OUTPUT
Perplexity does not claim ownership of AI-generated answers. Output IP status is not explicitly addressed.
TRAINING
Privacy Policy (effective February 5, 2026) states Perplexity uses data 'to improve the Services (including our AI models).' Opt-out is explicitly available in settings. Email/calendar integration data is explicitly excluded from AI training: 'we do not use or disclose Email Service Information to create, train, improve or fine-tune AI models.'
COMMERCIAL
Commercial use governed by plan tier. API use is explicitly commercial-use-permitted.
118 verified findings across the displayed surfaces.
Empty Comparison Slot
AIRIN SUMMARY
Napkin AI has moderate defaults; Perplexity AI carries the most permissive license terms of the set.FOR ENTERPRISE: NAPKIN AI ENTERPRISE TIER ACCEPTABLE · PERPLEXITY AI NOT RECOMMENDED
↳ Compliance surfaces · side by side
⚡ INTERACTIVE RISK COMPARISON HEATMAP
| RISK SURFACE | NAPKIN AI | PERPLEXITY AI |
|---|---|---|
| PPrompt Ownership | ||
| OOutput Ownership | ||
| TModel Training | ||
| CCommercial Use | ||
| DData Privacy | ||
| $Tier Differences |
* Click any cell in the heatmap matrix to scroll directly to its verbatim policy citations below.
📂 Intellectual Property & Model Training
P
SURFACE 01
Prompt Ownership
Napkin AI
LOWMED
Under review.
“ User-generated content , such as input text, visuals, generated text, and other content or information that you generate, transmit, or otherwise make available on the Service, as well as associated metadata.”
Perplexity AI
MEDHIGH
Users retain ownership of their queries and uploaded content per Perplexity's Terms.
“- Your input and output, such as questions, prompts and other content that you input, upload or submit to the Services, and the output that you create, and any collections or pages that you generate using the Services (“ **Service Interaction Information**”). Service Interaction…”
O
SURFACE 02
Output Ownership
Napkin AI
MED
Under review.
No citation available
Perplexity AI
HIGH
Perplexity does not claim ownership of AI-generated answers. Output IP status is not explicitly addressed.
No citation available
T
SURFACE 03
Model Training
Napkin AI
MED⚠ CAUTIONMED
Under review.
“ Account data (name, email, job title, company); Content data (diagrams, visuals, documents created or uploaded by users); Usage data (feature interactions, session identifiers) – processed in identifiable form solely for service delivery; only de-identified and aggregated deriva…”
Perplexity AI
LOW⚠ CAUTIONHIGH
Privacy Policy (effective February 5, 2026) states Perplexity uses data 'to improve the Services (including our AI models).' Opt-out is explicitly available in settings. Email/calendar integration data is explicitly excluded from AI training: 'we do not use or disclose Email Service Information to create, train, improve or fine-tune AI models.'
“You may also have the ability to sync your third party email account or calendar (such as Gmail and Google Calendar) with the Services. If you choose to sync these accounts, we will have access to your contacts and information from the email messages and calendar appointments in…”
C
SURFACE 04
Commercial Use
Napkin AI
MED
Under review.
No citation available
Perplexity AI
HIGH
Commercial use governed by plan tier. API use is explicitly commercial-use-permitted.
No citation available
📂 Data Privacy & Governance
D
SURFACE 05
Data Privacy
Napkin AI
MEDMED
—
“ 2.4 This DPA shall remain in effect for the duration of the Agreement and shall terminate automatically upon expiry or termination of the Agreement, subject to the survival provisions set out in Section 11.”
Perplexity AI
MED⚠ CAUTIONHIGH
Standard plan: personal, non-commercial use only. Enterprise terms at perplexity.ai/hub/legal/enterprise-terms-of-service. Email/calendar integration data explicitly excluded from AI model training.
“We retain your information for as long as is reasonably necessary for the purposes specified in this Privacy Policy. When determining the length of time to retain your information, we consider various criteria, including whether we need the information to continue to provide you…”
No fixed retention schedules are provided; retention is effectively open-ended tied to broad business purposes.
$
SURFACE 06
Tier Differences
Napkin AI
MED
—
No citation available
Perplexity AI
LOWHIGH
Standard plan: personal, non-commercial use only. Enterprise terms at perplexity.ai/hub/legal/enterprise-terms-of-service. Email/calendar integration data explicitly excluded from AI model training.
“ This Privacy Policy describes how Perplexity AI, Inc. (“ we ”, “ us ,” “ our ”) collects, uses and discloses information about individuals who use our websites ( www.perplexity.ai and https://labs.perplexity.ai ) to access the free version of our product or Perplexity Pro or Per…”