Home / Legal practice / CoCounsel vs Lexis+ AI (Protégé)
CoCounsel vs Lexis+ AI (Protégé)
Both are for legal research. CoCounsel has a published monthly price; Lexis+ AI (Protégé) has a stronger GDPR profile.
CoCounselThomson Reuters Corporation (Toronto, CA)GDPR: Limitedfrom $340.85/mo (CoCounsel Essentials) · free trial
Stronger on 1 by 2 points with a clear margin
Lexis+ AI (Protégé)LexisNexis (New York, US)GDPR: Strongon request · free trial
Stronger on 1 by 2 points with a clear margin
The key differences
- Lexis+ AI (Protégé) has a stronger GDPR profile: Strong, against Limited for CoCounsel.
- CoCounsel lists a published monthly price ($340.85); for Lexis+ AI (Protégé) the price is on request.
- They run on a different AI model: ChatGPT, Gemini against ChatGPT, Gemini, Claude.
| Criterion | CoCounsel | Lexis+ AI (Protégé) |
|---|---|---|
| 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 | Limited | Strong |
| Price | from $340.85/month (CoCounsel Essentials) | on request |
| Free trial | Yes | Yes |
| Origin | Outside EU | Outside EU |
| Runs on | ChatGPT, Gemini | ChatGPT, Gemini, Claude |
| Tasks | AI for searching documents, AI for legal research | AI for legal research, AI for legal documents |
Choose CoCounsel if…
- you want to know the cost up front
- you are looking for: deep research on Westlaw content
- you are looking for: bulk document analysis with agentic AI
Choose Lexis+ AI (Protégé) if…
- GDPR and confidentiality weigh heavily
- what you're looking for: drafting contracts and motions
- what you're looking for: Shepard's citation validation of sources
Features of CoCounsel
- Deep Research on Westlaw content
- Bulk document analysis with agentic AI
- Customisable workflow plans
- Legal research with source citations
- Guided workflows from Practical Law
- Litigation Document Analyzer
- Agentic AI for task delegation
- Integration with Thomson Reuters products
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
Frequently asked questions
- Which is better: CoCounsel or Lexis+ AI (Protégé)?
- CoCounsel has a published monthly price; Lexis+ AI (Protégé) has a stronger GDPR profile. What matters more to you decides the choice; the table puts everything side by side.
- Which is cheaper: CoCounsel or Lexis+ AI (Protégé)?
- CoCounsel: from $340.85/month (CoCounsel Essentials). Lexis+ AI (Protégé): on request.
- Which is safer for your data: CoCounsel or Lexis+ AI (Protégé)?
- 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 CoCounsel Everything about Lexis+ AI (Protégé)
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.




