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SIDE-BY-SIDE · 2 OF 3
Two platforms.
Same questions.
Ahrefs AI
MARKETING / CONTENT
PROMPT
Users retain full ownership of submitted prompt characters and keywords.
OUTPUT
Outputs are assigned fully to users under standard commercial parameters.
TRAINING
Data is kept secure within tenant spaces. Model training on enterprise work boards is contractually excluded.
COMMERCIAL
Commercial use of all workflow priorities and prioritizations is fully permitted.
348 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
Ahrefs AI has moderate defaults; Spellbook carries the most permissive license terms of the set.FOR ENTERPRISE: AHREFS AI ENTERPRISE TIER ACCEPTABLE · SPELLBOOK NOT RECOMMENDED
↳ Compliance surfaces · side by side
⚡ INTERACTIVE RISK COMPARISON HEATMAP
| RISK SURFACE | AHREFS AI | 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
Ahrefs AI
MED⚠ CAUTIONMED
Users retain full ownership of submitted prompt characters and keywords.
“ (c) is intended to generate output that is substantially similar to works that are subject to third party intellectual property rights, unless you own the necessary rights in such work;”
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
Ahrefs AI
MED⚠ CAUTIONMED
Outputs are assigned fully to users under standard commercial parameters.
“ c) reproducing, duplicating, copying, using or publishing any portion of Content or User Content to an infringing extent under any laws and regulations applicable to you under the Terms.”
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
Ahrefs AI
HIGHMED
Data is kept secure within tenant spaces. Model training on enterprise work boards is contractually excluded.
“ 13.2. You agree to our use of a third-party payment processor to process payments made for and in relation to Ahrefs Services. By submitting payment information such as your credit card details to us, you authorise the third-party payment processor to store such information and/…”
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
Ahrefs AI
MED⚠ CAUTIONMED
Commercial use of all workflow priorities and prioritizations is fully permitted.
“ e) modify, copy, prepare derivative works of, decompile, reverse engineer, disassemble, or reduce Ahrefs Services to human-readable form, or attempt to discover the source code or underlying components of models or algorithms of Ahrefs Services (unless legally compelled to by ap…”
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
Ahrefs AI
HIGHMED
—
“ We have set out below categories of personal information about California residents we have collected, and as applicable disclosed, for a business purpose in the preceding 12 months. The table is followed by a description of the purposes for which we collected personal informati…”
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
Ahrefs AI
MEDMED
—
“ 7. Subscription Plans and Payments ”
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;”