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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.
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400 verified findings across the displayed surfaces.
177 verified findings across the displayed surfaces.
Empty Comparison Slot
Dify carries highly permissive license terms; Spellbook carries highly permissive license terms.FOR ENTERPRISE: DIFY NOT RECOMMENDED · SPELLBOOK NOT RECOMMENDED
| RISK SURFACE | DIFY | SPELLBOOK |
|---|---|---|
| PPrompt Ownership | ||
| OOutput Ownership | ||
| TModel Training | ||
| CCommercial Use | ||
| DData Privacy | ||
| $Tier Differences |
“ 5.1 The Service is made available on a limited access basis, and no ownership rights are conveyed to you. Notwithstanding anything to the contrary in these Terms, we and our licensors have and retain all right, title, and interest, including all intellectual property rights, in…”
“ (b) This Agreement does not grant Customer any intellectual property license or rights in or to the Spellbook AI Platform or any of its components, except to the limited extent that such rights are necessary for Customer's use of the Spellbook AI Platform as specifically au…”
“ You retain ownership of your Customer Content, including Customer Content from your accounts with Third-Party Services that are transmitted, processed, and/or stored in the Service. By transmitting, processing, and/or storing Customer Content in the Service, you hereby grant Dif…”
“ 6.2. Feedback. ”
“Operate, maintain and improve our internal operations, systems, Sites, and Products”
The policy does not explicitly address whether user content is used for AI/ML model training. 'Improve Products' could encompass training use, but this is not confirmed or denied.
“ (iv) No Third Party LLM Model Training. Customer Data transmitted to Third Party LLMs via the Spellbook AI Platform will not be used to train, improve, or develop the AI models of those Third Party LLMs. Accordingly, Spellbook will ensure that all Third Party LLMs are prohibited…”
“ 2.1.1 LangGenius (and its Affiliates, as applicable) will make the Services available to you, including those described in the applicable Services Terms 2.1.2 You may use your Dify.AI Account and the Service only (i) for lawful purposes; and (ii) in accordance with these Terms…”
“ (i) reverse engineer, decompile, disassemble, or otherwise attempt to derive the source code or underlying algorithms of the Spellbook AI Platform;”
“We use this information to reshare content created through the use of the Service. The processing is necessary for our legitimate interests (to develop our service and inform our marketing strategy).”
Information from social network interactions can be reshared by LangGenius for marketing strategy purposes under a 'legitimate interests' basis without explicit user consent.
“ (a) Spellbook collects and uses categories of Personal Data from the Customer and its Users that are required to administer Customer's Spellbook account, including payment records and credit cards. Otherwise, Spellbook only collects and uses Personal Data as necessary to pr…”
“Dify is free for students and educators.”
No terms or conditions are specified for the student/educator free tier—it is unclear whether it matches the Sandbox tier, has separate restrictions, or requires verification. Users cannot assess their rights or obligations from this statement alone.
“ (b) Spellbook reserves the right to discontinue or modify its provision of any Beta Features to the Customer at any time, with or without notice;”