CoCounsel (Westlaw AI) vs Lexis+ AI
legal research comparison · Updated June 2026
CoCounsel (Westlaw AI)
legal research · paid
Thomson Reuters AI legal assistant powered by Westlaw
Lexis+ AI
legal research · paid
AI-enhanced legal research from LexisNexis with Protege assistant
Quick Comparison
| Feature | CoCounsel (Westlaw AI) | Lexis+ AI |
|---|---|---|
| Category | legal research | legal research |
| Pricing Model | paid | paid |
| Price Range | Paid | Paid |
| Free Tier | ✗ No | ✗ No |
| Target Market | SMB / Mid-market | SMB / Mid-market |
| Affiliate Program | ✗ No | ✗ No |
In-Depth Look
CoCounsel (Westlaw AI)
AI legal assistant from Thomson Reuters integrated with Westlaw. Performs legal research, document review, deposition preparation, contract analysis, and timeline creation. Verified citations from Westlaw's authoritative database.
Visit CoCounsel (Westlaw AI) →Lexis+ AI
Next-generation legal research platform powered by AI. Uses NLP and machine learning to analyze legal documents, provide case summaries, generate citations, and draft legal memos. Includes Protege AI assistant for conversational research.
Visit Lexis+ AI →Used by These Professions
The Bottom Line
Both CoCounsel (Westlaw AI) and Lexis+ AI are strong options in the legal research space. Neither offers a free tier, so request demos from both to evaluate which fits your workflow.
Both are accessible to SMB and mid-market teams with transparent pricing.
The best choice depends on your team size, budget, and specific workflow requirements. We recommend trying CoCounsel (Westlaw AI) first, then evaluating Lexis+ AI if it doesn't meet your needs.