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SIDE-BY-SIDE · 2 OF 3
Two platforms.
Same questions.
Lexis+ AI
ENTERPRISE SEARCH / PRODUCTIVITY
PROMPT
Customer data and queries are not used to train public AI models. LexisNexis processes content via a private, closed-loop AI implementation.
OUTPUT
Users retain rights to generated legal research, drafts, and analysis. LexisNexis does not claim IP ownership over outputs generated.
TRAINING
Explicit contractual prohibition on using Materials to train LLMs. Section 4.3(b) warrants that Subscriber inputs and Subscriber Files will not be used to train any LLM. Section 4.4 confirms LN does not claim IP rights in AI outputs. Opt-out of AI cloud failover available via 30 days written notice (Section 4.6).
COMMERCIAL
Full commercial use in legal practice is the core use case. Generated research and drafts may be used in client matters and legal workflows.
120 verified findings across the displayed surfaces.
Luminance
ENTERPRISE SEARCH / PRODUCTIVITY
PROMPT
Law firm and enterprise customers own all legal documents processed by Luminance. Luminance AI processes documents for due diligence and contract review.
OUTPUT
Customers own all AI-generated legal analyses, extractions, and review outputs. Luminance does not assert IP over outputs.
TRAINING
Luminance's public-facing privacy policy states it retains 'results, learning and tagging data from the usage of our tools and/or products for the purposes of improving the tools and/or product, provided no Personal Data is contained in the retained data.' This indicates anonymized learning/tagging data from document processing is retained for product improvement. Enterprise customers' data processing is governed by separate contracts not reviewed.
COMMERCIAL
Commercial use is fully permitted for legal practice and enterprise legal departments.
94 verified findings across the displayed surfaces.
Empty Comparison Slot
AIRIN SUMMARY
Lexis+ AI carries highly permissive license terms; Luminance carries highly permissive license terms.FOR ENTERPRISE: LEXIS+ AI NOT RECOMMENDED · LUMINANCE NOT RECOMMENDED
↳ Compliance surfaces · side by side
⚡ INTERACTIVE RISK COMPARISON HEATMAP
| RISK SURFACE | LEXIS+ AI | LUMINANCE |
|---|---|---|
| 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
Lexis+ AI
MEDHIGH
Customer data and queries are not used to train public AI models. LexisNexis processes content via a private, closed-loop AI implementation.
“(e) submit Materials into a Compliant AI Tool solely for incidental use in the ordinary course of your business (such as summarization, drafting assistance, or research synthesis), provided that: (i) no Restricted Data or Regulated Data is submitted; (ii) the submission does not…”
Luminance
HIGH
Law firm and enterprise customers own all legal documents processed by Luminance. Luminance AI processes documents for due diligence and contract review.
No citation available
O
SURFACE 02
Output Ownership
Lexis+ AI
MEDHIGH
Users retain rights to generated legal research, drafts, and analysis. LexisNexis does not claim IP ownership over outputs generated.
“4.5 You acknowledge and agree that Output may include content subject to third party intellectual property rights, including rights that may limit your use of such Output, and LN offers no representation or warranty to the contrary, express or implied.”
Luminance
HIGH
Customers own all AI-generated legal analyses, extractions, and review outputs. Luminance does not assert IP over outputs.
No citation available
T
SURFACE 03
Model Training
Lexis+ AI
LOW⚠ CAUTIONHIGH
Explicit contractual prohibition on using Materials to train LLMs. Section 4.3(b) warrants that Subscriber inputs and Subscriber Files will not be used to train any LLM. Section 4.4 confirms LN does not claim IP rights in AI outputs. Opt-out of AI cloud failover available via 30 days written notice (Section 4.6).
“(b) LN represents and warrants that Subscriber inputs (including Prompts as defined in Section 4.10) and Subscriber Files (as defined in Section 4.9) submitted by Subscriber into the AI Services (i) will not be used by LN to train any large language model(s) and (ii) shall be tre…”
Luminance
MEDHIGH
Luminance's public-facing privacy policy states it retains 'results, learning and tagging data from the usage of our tools and/or products for the purposes of improving the tools and/or product, provided no Personal Data is contained in the retained data.' This indicates anonymized learning/tagging data from document processing is retained for product improvement. Enterprise customers' data processing is governed by separate contracts not reviewed.
“ The retention of results, learning and tagging data from the usage of our tools and/or products for the purposes of improving the tools and/ product, provided no Personal Data is contained in the retained data ”
C
SURFACE 04
Commercial Use
Lexis+ AI
LOW⚠ CAUTIONHIGH
Full commercial use in legal practice is the core use case. Generated research and drafts may be used in client matters and legal workflows.
“(j)use Restricted Data or Regulated Data for any marketing purposes;”
Luminance
HIGH
Commercial use is fully permitted for legal practice and enterprise legal departments.
No citation available
📂 Data Privacy & Governance
D
SURFACE 05
Data Privacy
Lexis+ AI
MEDHIGH
Enterprise subscribers covered by separate Master Service Agreement. Section 2.4 specifies country-specific contracting entities. HIPAA-eligible configurations may be available for regulated industries.
“We retain your personal information for as long as necessary to provide the Service and fulfill the transactions you have requested, or for other essential purposes such as complying with our legal obligations, maintaining business and financial records, resolving disputes, maint…”
Luminance
MED⚠ CAUTIONHIGH
Enterprise customers: data processing governed by separate Luminance customer agreement, not the public privacy policy. Public privacy policy covers website visitors and prospective customers only.
“If you are making a job application or inquiry, you may provide us with a copy of your CV or other relevant information. We may use this information for the purpose of considering your application or inquiry. Except when you explicitly request otherwise, we may keep this informat…”
CV and job application data may be retained indefinitely for 'future reference' unless the applicant explicitly requests otherwise. No retention period is specified.
$
SURFACE 06
Tier Differences
Lexis+ AI
HIGH
Enterprise subscribers covered by separate Master Service Agreement. Section 2.4 specifies country-specific contracting entities. HIPAA-eligible configurations may be available for regulated industries.
No citation available
Luminance
HIGH
Enterprise customers: data processing governed by separate Luminance customer agreement, not the public privacy policy. Public privacy policy covers website visitors and prospective customers only.
No citation available