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.
AI21 Labs
DEVELOPER / CODING
PROMPT
API customers own all prompts and inputs submitted to AI21 Labs models. AI21 Labs processes inputs to generate text outputs.
OUTPUT
API customers own the outputs generated by AI21 models. AI21 Labs does not assert IP over API outputs.
TRAINING
The AI21 Labs Website ToS grants AI21 a 'worldwide, irrevocable, non-exclusive, royalty-free, perpetual, sublicensable (through multiple tiers), and transferable right and license' to use 'Your Content' for AI21's business. However, the Privacy Policy explicitly states: 'not use data obtained from these APIs to develop, improve, or train any machine learning or AI models beyond the user's own personalized experience.' This API-specific no-training commitment materially limits the broad website ToS license for API customers. The website ToS covers non-commercial personal use of the website; enterprise API governed by separate agreements.
COMMERCIAL
Commercial use is fully permitted for API customers. AI21's Jurassic models and Wordtune are used commercially.
128 verified findings across the displayed surfaces.
Napkin AI
WORKFLOW & AUTOMATION
PROMPT
Under review.
OUTPUT
Under review.
TRAINING
Under review.
COMMERCIAL
Under review.
130 verified findings across the displayed surfaces.
Empty Comparison Slot
AIRIN SUMMARY
Napkin AI has moderate defaults; AI21 Labs carries the most permissive license terms of the set.FOR ENTERPRISE: AI21 LABS NOT RECOMMENDED · NAPKIN AI ENTERPRISE TIER ACCEPTABLE
↳ Compliance surfaces · side by side
⚡ INTERACTIVE RISK COMPARISON HEATMAP
| RISK SURFACE | AI21 LABS | NAPKIN 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
AI21 Labs
MEDHIGH
API customers own all prompts and inputs submitted to AI21 Labs models. AI21 Labs processes inputs to generate text outputs.
“ 8.1. Ownership of AI21 Technology . Notwithstanding anything in this Agreement to the contrary, AI21 (and/or its licensors and suppliers, as applicable) is, and shall be, the sole and exclusive owner of all right, title and interest (including without limitation all Intellectual…”
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.”
O
SURFACE 02
Output Ownership
AI21 Labs
MEDHIGH
API customers own the outputs generated by AI21 models. AI21 Labs does not assert IP over API outputs.
“ 4.12. Documentation . Customer shall use the AI21 Solutions and the Output in accordance with the Documentation. For such purposes, the Documentation is hereby incorporated by reference into this Agreement.”
Napkin AI
MED
Under review.
No citation available
T
SURFACE 03
Model Training
AI21 Labs
MEDHIGH
The AI21 Labs Website ToS grants AI21 a 'worldwide, irrevocable, non-exclusive, royalty-free, perpetual, sublicensable (through multiple tiers), and transferable right and license' to use 'Your Content' for AI21's business. However, the Privacy Policy explicitly states: 'not use data obtained from these APIs to develop, improve, or train any machine learning or AI models beyond the user's own personalized experience.' This API-specific no-training commitment materially limits the broad website ToS license for API customers. The website ToS covers non-commercial personal use of the website; enterprise API governed by separate agreements.
“ 7.8. License to Customer Content and Output . Customer hereby grants to AI21 and its Affiliates a worldwide, non-exclusive, royalty-free, paid-up, sublicensable (to AI21’s data subprocessors, Hosting Providers, as well as to third party service providers engaged by AI21 in…”
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…”
C
SURFACE 04
Commercial Use
AI21 Labs
MED⚠ CAUTIONHIGH
Commercial use is fully permitted for API customers. AI21's Jurassic models and Wordtune are used commercially.
“ remove, alter, or conceal any copyright, trademark, or other proprietary rights notices displayed on or in any AI21 Technology; ”
Napkin AI
MED
Under review.
No citation available
📂 Data Privacy & Governance
D
SURFACE 05
Data Privacy
AI21 Labs
MED⚠ CAUTIONHIGH
Website/consumer: perpetual irrevocable license; personal non-commercial use only. API customers: explicit no-training commitment — data not used to train AI/ML models beyond user's own personalized experience. Enterprise API governed by separate agreement with DPA.
“ Downloading, exfiltrating, copying, or otherwise retaining AI21 Labs data or AI21 Labs client data that does not belong to you;”
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.”
$
SURFACE 06
Tier Differences
AI21 Labs
MED⚠ CAUTIONHIGH
Website/consumer: perpetual irrevocable license; personal non-commercial use only. API customers: explicit no-training commitment — data not used to train AI/ML models beyond user's own personalized experience. Enterprise API governed by separate agreement with DPA.
“ 4.5. Subscription Scope . For the avoidance of doubt: (a) the Subscription is subject to the applicable Subscription Scope, and Customer shall not use any technical or other means within, or external to, the AI21 Solution to exceed or circumvent the Subscription Scope, and (b) t…”
Napkin AI
MED
—
No citation available