Home / Legal practice / Lexis+ AI (Protégé) vs Luminance
Lexis+ AI (Protégé) vs Luminance
Both are professional tools for legal practice. Lexis+ AI (Protégé) has a stronger GDPR profile and a free trial.
Lexis+ AI (Protégé)LexisNexis (New York, US)GDPR: Strongon request · free trial
Stronger on 2 by 2 points with a clear margin
LuminanceLuminance Technologies Ltd (Cambridge, UK)GDPR: Limitedon request
Stronger on 0 by 2 points with a clear margin
The key differences
- Lexis+ AI (Protégé) has a stronger GDPR profile: Strong, against Limited at Luminance.
- Lexis+ AI (Protégé) has a free trial; we have not found one at Luminance.
| Criterion | Lexis+ AI (Protégé) | Luminance |
|---|---|---|
| GDPR profileOur summary of what the provider itself publishes about your data. For a professional tool: whether the data is stored in the EU, whether there is a certification or GDPR guarantee, and whether the provider is based in the Netherlands or the EU. For a general model: EU hosting, no training on your data and self-hosting. From Strong to Unknown; Caution only for a model with a documented problem. How we measure | Strong | Limited |
| Free trial | Yes | Not found |
| Origin | Outside EU | Outside EU |
| Runs on | ChatGPT, Gemini, Claude | Not public |
| Tasks | AI for legal research, AI for legal documents | AI for contract analysis |
Choose Lexis+ AI (Protégé) if…
- GDPR and confidentiality weigh heavily
- you want to try it for free first
- what you're looking for: drafting contracts and motions
Choose Luminance if…
- you are looking for: draft: drafting contracts automatically
- you are looking for: negotiate: AI redlining in Microsoft Word
- you are looking for: auto-negotiate: AI that negotiates for you
Features of Lexis+ AI (Protégé)
- Drafting contracts and motions
- Shepard's citation validation sources
- Document Vault with 50 storage spaces
- Pre-built due diligence workflows
- Conversational research on LN data
- DMS integration with iManage/SharePoint
- Agentic AI with multi-step workflows
- Generating document summaries
Features of Luminance
- Draft: drafting contracts automatically
- Negotiate: AI redlining in Microsoft Word
- Auto-negotiate: AI that negotiates for you
- Checklists per negotiating position
- Analyse: contract insight and obligations
- Comply: monitoring compliance requirements
- Investigate: discovery and litigation support
- Ask Lumi: chatbot for summaries
Frequently asked questions
- Which is better: Lexis+ AI (Protégé) or Luminance?
- Lexis+ AI (Protégé) has a stronger GDPR profile and a free trial. What weighs heaviest for you decides the choice; the table sets everything side by side.
- Which is safer for your data: Lexis+ AI (Protégé) or Luminance?
- Lexis+ AI (Protégé) has the stronger GDPR profile (Strong versus Limited). The profile summarises what the provider publishes; always sign a data processing agreement. See the GDPR check for law firms.
Everything about Lexis+ AI (Protégé) Everything about Luminance
Every Friday: what changed in AI for law firms
New models, prices, oversight and tools, with sources and what it means for you. One email a week, unsubscribe with one click.




