H
HLexis+ AI vs Luminance
Pricing, features, platforms and who each one suits — side by side.
L
Choose Lexis+ AI if…
- you're in its core audience: law firm attorneys, in-house counsel
L
Choose Luminance if…
- you're in its core audience: in-house legal teams, procurement teams
Side by side
Feature Lexis+ AI Luminance
Pricing modelContact for pricingContact for pricing
Starting price——
Free plan
Free trial
API
Open source
Security and compliance—ISO 27001, SOC 2 Type II
Custom playbooks—
Contract repository—
PlatformsWebWeb
CategoryLegalLegal
CompanyLexisNexisLuminance
Based inGermany—
Founded1973—
Part ofReed Elsevier—
Key features
L Lexis+ AI
- Protégé AI assistant built for legal professionals
- Legal research summaries grounded in LexisNexis content
- Drafts motions, briefs and transactional documents
- Step-by-step refinement of drafted documents
- Summarizes and analyzes large legal documents
- Secure Vault for uploading documents for AI review
- Connects firm knowledge bases, iManage and SharePoint
- General AI mode with leading AI models
L Luminance
- Playbook and precedent-based contract review
- AI-assisted contract negotiation
- Portfolio-wide search of risk, obligations and renewals
- Contract repository
- Connected workflows from intake to signature
- Document search engine for contracts
- Luna assistant for contract questions
- Detection of auto-renewals and commercial opportunities
Plans and prices
From each vendor's site. Prices change — confirm before buying.
Lexis+ AI
Contact for pricing. Plan details aren't published.
Luminance
Contact for pricing. Plan details aren't published.
Strengths and limitations
Lexis+ AI
- Answers grounded in LexisNexis's own legal content
- Vendor states customer data is never used to train AI models
- Integrates with iManage and SharePoint
- No public pricing; sales contact required
- Product has been renamed Lexis+ with Protégé, which may cause confusion
- Features vary by region
Luminance
- ISO 27001 certified and SOC 2 Type II examined
- Built for use across many departments, not only legal
- Covers negotiation, repository and workflows in one platform
- Says it is trusted by more than 1,000 enterprises
- No public pricing; demo request required
- No free plan or trial listed
- Aimed at enterprises rather than individuals or small teams
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R
REvidence analysis, legal transcription and drafting for legal and investigative teams
Free, from $25.49/mo
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Free, from $25.49/mo
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Evidence analysis, legal transcription and drafting for legal and investigative teams
LegalFree planAPI
Built from each vendor's public website; we haven't tested them hands-on. Editorial policy