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Lexis+ AI

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Conversational AI legal research with Shepard's citation validation and access to the full LexisNexis database.

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About Lexis+ AI

Lexis+ AI brings conversational AI to LexisNexis's massive legal research database, allowing lawyers to conduct research using natural language queries instead of boolean searches. Every AI-generated response is grounded in the LexisNexis database and validated through Shepard's Citations, dramatically reducing hallucination risk. The platform provides access to models including GPT-5 and Claude Sonnet 4 through its Protege capability, giving researchers flexibility in their AI approach. Beyond basic research, Lexis+ AI can draft documents, analyze uploaded documents up to 300 pages, and provide jurisdiction-specific legal analysis with proper citations. Priced at $80-135 per user per month plus add-ons, Lexis+ AI is positioned for firms of all sizes. The combination of a trusted legal database with modern AI capabilities makes it one of the most comprehensive legal research tools available. LexisNexis also offers a partner program for referrals.

Key Features

  • Conversational AI research
  • Shepard's citation validation
  • Multi-model AI (Protege)
  • Document analysis (300+ pages)
  • Jurisdiction-specific research
  • Natural language queries
  • Document drafting

Pros

  • Shepard's citation validation reduces hallucinations
  • Massive LexisNexis database backing
  • Multi-model access (GPT-5, Claude Sonnet 4)
  • Document analysis up to 300 pages

Cons

  • Expensive for solo practitioners
  • Add-on pricing can escalate costs
  • Learning curve for AI features alongside traditional research
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Details

Pricing
$80-135/user/month plus add-ons. Volume discounts available.
Tags
legal-researchcitationslexisnexisshepardsall-firm-sizes

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