Legal Research
Lexis+ AI
Editor rating4.6
AI-powered legal research assistant grounded in the LexisNexis case law database.
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Quick facts
- Pricing
- Contact sales; typically $200+/month per user
- Free tier
- No free tier; trial available via LexisNexis
- Best for
- Practicing lawyers who need faster, verified case researchLegal teams building memos and briefsLaw students and academics doing doctrinal research
Key features
- Ask legal questions in plain language and get cited answers
- Search case law, statutes, and secondary sources with AI
- Draft research memos with automatically inserted citations
- Verify citations and Shepardize with AI assistance
- Summarize long opinions and compare holdings
Pros
- Answers come with real case citations you can verify
- Built on the trusted LexisNexis corpus
- Memo drafting saves hours of manual work
- Purpose-built for legal workflows, not general chat
Cons
- Expensive — priced for firms, not solo users
- Still requires verification of every citation
- US-centric coverage; weaker for other jurisdictions
- Requires training to get good prompts
The dealbreaker
If you're a solo practitioner or in a non-US jurisdiction, the cost and coverage make Lexis+ AI hard to justify — check coverage for your practice area first.
Our review
Lexis+ AI is the first legal AI we'd actually trust with research. It found cases we missed with traditional Boolean searches, and every answer came with citations we could verify. The price is real, but for firms billing research time it pays for itself quickly.