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Pricing sourced from Lexis+ AI · Last verified March 2026
Lexis+ AI uses a retrieval-augmented generation (RAG) architecture that anchors every response to verifiable sources within LexisNexis's proprietary database of over 80 billion legal documents. Rather than generating answers purely from training data, the system retrieves relevant case law, statutes, and secondary sources, then synthesizes an answer with direct, clickable citations back to those authorities. In internal LexisNexis benchmarks conducted in 2024, this approach demonstrated a significant reduction in hallucinated legal citations compared to general-purpose large language models. Additionally, the integration with Shepard's Citations Service allows users to immediately verify whether cited cases remain good law.
Lexis+ is the base legal research platform that provides access to LexisNexis's comprehensive content library, including case law, statutes, regulations, Practical Guidance, and Shepard's Citations. Protégé is an AI assistant layer introduced in 2025 that upgrades the Lexis+ experience with enhanced conversational AI capabilities—it anticipates user intent, surfaces the most relevant authority faster, and provides a more intuitive research workflow. Think of Lexis+ as the research engine and content library, while Protégé is the intelligent assistant that makes interacting with that library more efficient. Protégé is available as an upgrade to existing Lexis+ subscriptions.
LexisNexis has implemented multiple safeguards for handling confidential legal information. The platform holds SOC 2 Type II certification, encrypts data both at rest and in transit, and offers configurable data retention policies so organizations can control how long uploaded documents are stored. Critically, LexisNexis states that user queries and uploaded documents are not used to train or fine-tune the underlying AI models—a key assurance for law firms bound by attorney-client privilege and ethical obligations. Organizations can also configure access controls and audit logging to maintain compliance with internal data governance policies.
LexisNexis does not publicly list pricing for Lexis+ or the AI add-on, as rates are negotiated based on firm size, content modules selected, and contract terms. Based on our analysis of 870+ AI tools and industry benchmarks, the base Lexis+ subscription typically ranges from $150–$400/user/month, with the AI add-on adding approximately $100–$150/user/month, bringing the total to roughly $250–$550/user/month for individual seats. Volume discounts are available for larger firms. LexisNexis does offer free trial periods—commonly 7 to 30 days—so solo practitioners can evaluate the platform before committing. Contacting LexisNexis directly at 1-888-285-3947 is the best way to get a customized quote.
Yes, LexisNexis serves users in over 150 countries and has been expanding Lexis+ AI's jurisdiction coverage since its 2023 launch. The platform includes international legal materials and has added multilingual research capabilities through 2025–2026 updates. However, the depth of AI-powered features and content coverage is strongest for U.S. federal and state law. For practitioners who need deep multi-jurisdictional international research, alternatives like vLex Vincent AI (which covers 130+ countries) may offer broader global coverage, though Lexis+ AI's U.S. content library remains among the most comprehensive available.
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