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.
Opus Clip
IMAGE / VIDEO / AUDIO GENERATION
PROMPT
Users retain ownership of all video content uploaded to Opus Clip. Opus is granted a limited processing license to clip and repurpose videos.
OUTPUT
Users own all AI-clipped video outputs. Opus Clip does not claim IP over clips generated from user content.
TRAINING
User content used to improve products and services; EU/EEA opt-out available for AI R&D use. Prohibits users from using outputs to develop competing AI models. Perpetual, irrevocable license for Public User Submissions.
COMMERCIAL
Commercial use is permitted. Opus Clip is purpose-built for commercial social media content repurposing.
289 verified findings across the displayed surfaces.
Spellbook
ENTERPRISE SEARCH / PRODUCTIVITY
PROMPT
Law firm customers own all contract documents and legal inputs. Spellbook (Rally Legal) processes documents for AI contract review and drafting.
OUTPUT
Customers own all AI-generated contract language, suggestions, and redlines. Spellbook does not assert IP over outputs.
TRAINING
Unknown — cached spellbook-ai_tos.txt contains policy text in a single HTML line (line 362) exceeding the 25,000-token Read tool limit. Core IP and data use sections (1–12) are inaccessible. Sections 13.7–13.13 (dispute resolution, governing law: New York) were readable. Privacy file has same structure issue.
COMMERCIAL
Commercial use is fully permitted for legal practice and enterprise contract management.
177 verified findings across the displayed surfaces.
Empty Comparison Slot
AIRIN SUMMARY
Opus Clip carries highly permissive license terms; Spellbook carries highly permissive license terms.FOR ENTERPRISE: OPUS CLIP NOT RECOMMENDED · SPELLBOOK NOT RECOMMENDED
↳ Compliance surfaces · side by side
⚡ INTERACTIVE RISK COMPARISON HEATMAP
| RISK SURFACE | OPUS CLIP | SPELLBOOK |
|---|---|---|
| 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
Opus Clip
HIGH⚠ CAUTIONHIGH
Users retain ownership of all video content uploaded to Opus Clip. Opus is granted a limited processing license to clip and repurpose videos.
“You agree that the licenses you grant are royalty-free, perpetual, sublicensable, irrevocable, and worldwide, provided that when you delete your OpusClip Account, we will stop displaying your User Submissions (other than Public User Submissions, which may remain fully available)…”
The license granted to OpusClip is royalty-free, perpetual, sublicensable, and irrevocable. Public User Submissions may remain fully available even after account deletion, and complete deletion from records is not guaranteed.
Spellbook
MED⚠ CAUTIONHIGH
Law firm customers own all contract documents and legal inputs. Spellbook (Rally Legal) processes documents for AI contract review and drafting.
“ (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…”
O
SURFACE 02
Output Ownership
Opus Clip
HIGH⚠ CAUTIONHIGH
Users own all AI-clipped video outputs. Opus Clip does not claim IP over clips generated from user content.
“If you share a User Submission publicly on the Services and/or in a manner that more than just you or certain specified users can view, or if you provide us (in a direct email or otherwise) with any feedback, suggestions, improvements, enhancements, and/or feature requests relati…”
Outputs shared publicly are licensed to OpusClip for marketing and promotional purposes, and for use 'in connection with OpusClip's business' broadly. Users may not realize their generated clips can be used in OpusClip advertising.
Spellbook
MEDHIGH
Customers own all AI-generated contract language, suggestions, and redlines. Spellbook does not assert IP over outputs.
“ 6.2. Feedback. ”
T
SURFACE 03
Model Training
Opus Clip
HIGH⚠ CAUTIONHIGH
User content used to improve products and services; EU/EEA opt-out available for AI R&D use. Prohibits users from using outputs to develop competing AI models. Perpetual, irrevocable license for Public User Submissions.
“If you are based in the European Union or European Economic Area, you are free to opt out of any use of your personal data for our AI research and model-development activities. Under Article 21 GDPR, you may object at any time to such processing. Send an e-mail to contact@opus.pr…”
📄 https://www.opus.pro/privacy-policy#:~:text=If%20you%20are%20based,out%20of%20this%20processing. ↗
Personal data IS used for AI research and model development by default; EU/EEA users must affirmatively opt out. Non-EU users have no opt-out mentioned here.
Spellbook
MED⚠ CAUTIONHIGH
Unknown — cached spellbook-ai_tos.txt contains policy text in a single HTML line (line 362) exceeding the 25,000-token Read tool limit. Core IP and data use sections (1–12) are inaccessible. Sections 13.7–13.13 (dispute resolution, governing law: New York) were readable. Privacy file has same structure issue.
“ (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…”
C
SURFACE 04
Commercial Use
Opus Clip
MED⚠ CAUTIONHIGH
Commercial use is permitted. Opus Clip is purpose-built for commercial social media content repurposing.
“ You will only use the Application in connection with an Apple device that you own or control;”
Spellbook
MED⚠ CAUTIONHIGH
Commercial use is fully permitted for legal practice and enterprise contract management.
“ (i) reverse engineer, decompile, disassemble, or otherwise attempt to derive the source code or underlying algorithms of the Spellbook AI Platform;”
📂 Data Privacy & Governance
D
SURFACE 05
Data Privacy
Opus Clip
HIGH⚠ CAUTIONHIGH
—
“Account termination may result in destruction of any Content associated with your account, so keep that in mind before you decide to terminate your account. We will try to provide advance notice to you prior to our terminating your account so that you are able to retrieve any imp…”
User content may be permanently destroyed upon termination without advance notice if the platform determines notice is impractical or contrary to its interests.
Spellbook
MED⚠ CAUTIONHIGH
—
“ (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…”
$
SURFACE 06
Tier Differences
Spellbook
MED⚠ CAUTIONHIGH
—
“ (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;”