LexisNexis / lexisnexis.com
AI legal research assistant integrated into LexisNexis's legal database, providing conversational legal research, document drafting assistance, and AI-powered legal analysis for law firms and corporate legal.
Pricing
Free
Free plan
No
Category
Developer Tools
Platforms
2
Free plan
No
API access
No
Open source
No
Platforms
2
Lexis+ AI is LexisNexis's AI legal research and drafting assistant, competing directly with Thomson Reuters CoCounsel within the two dominant legal research database providers. For law firms and corporate legal departments already subscribing to LexisNexis's legal database, Lexis+ AI provides AI capabilities grounded in the same authoritative legal research database they already use.
The conversational research capability allows posing legal questions in natural language and receiving research-backed answers with citations to authoritative LexisNexis sources — case law, statutes, regulations, and secondary legal sources like law review articles and practice guides. This mirrors the CoCounsel approach but grounded in LexisNexis's database rather than Westlaw's.
Draft+ provides AI contract drafting and review within the LexisNexis environment, suggesting language, identifying issues, and generating initial drafts of standard legal agreements. The Brief Analysis feature reviews litigation briefs for persuasiveness, completeness, and citation accuracy.
LexisNexis has also integrated generative AI into its Practical Guidance product, which provides how-to guidance, checklists, and model documents for specific practice areas — the AI layer makes this guidance more interactive and searchable.
As with all AI legal tools, attorney review of all AI outputs is essential, and Lexis+ AI is positioned as a productivity tool for legal professionals rather than a replacement for legal judgment.
Lexis+ AI runs as document analysis llm software built around text and document workflows. Users typically start with a prompt, upload, or connected data source, and the underlying model handles the heavy lifting before returning a result you can refine or export. It's available on web and lexisnexis integrated.
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The capabilities that matter most for teams evaluating Lexis+ AI.
Natural language legal questions answered with citations to authoritative LexisNexis case law, statutes, regulations, and secondary legal sources.
AI contract drafting and review within the LexisNexis environment, generating initial drafts and identifying issues in existing contracts.
Reviews litigation briefs for persuasiveness, completeness, and citation accuracy as a first-pass review before attorney review.
Enterprise subscription through LexisNexis. Pricing by seat and feature set. No public pricing or individual consumer access.
Model
Enterprise
Starting price
Free
Free trial
No
Thomson Reuters CoCounsel is the direct alternative for Westlaw subscribers. Harvey AI offers broader legal task coverage without database dependency. Clio AI is better for small firm practice management. Spellbook AI is accessible for individual lawyers needing contract assistance.
A side-by-side look at the closest alternative in this category.
Key facts about model providers, platforms, and team support.
Model Provider
LexisNexis, Microsoft
Platforms
Web, LexisNexis integrated
Deployment
Enterprise, SaaS
Integrations
LexisNexis products, Microsoft 365, API
Team Collaboration
Yes
Launch Year
2023
Compliance signals and data-handling notes as reported by the vendor.
SOC 2 Type II. ISO 27001. GDPR compliant. Attorney-client privilege and legal confidentiality in enterprise agreements.
Legal documents processed under enterprise data handling agreements with attorney-client privilege protections. Customer data not used to train AI models per LexisNexis enterprise terms.
Editorial Verdict
Lexis+ AI is the natural choice for law firms and corporate legal departments already subscribing to LexisNexis who want AI legal research capabilities within their existing database workflow.
Last verified July 24, 2026.
Enterprise subscription through LexisNexis. Pricing by seat and feature set. No public pricing or individual consumer access.
Enterprise licensing through Thomson Reuters legal product subscriptions. Integrated into Westlaw subscriptions. No standalone consumer purchase.
SOC 2 Type II. ISO 27001. GDPR compliant. Attorney-client privilege and legal confidentiality in enterprise agreements.
SOC 2 Type II. ISO 27001. GDPR compliant. Attorney-client privilege and legal confidentiality in enterprise agreements. FedRAMP authorised.
Legal documents processed under enterprise data handling agreements with attorney-client privilege protections. Customer data not used to train AI models per LexisNexis enterprise terms.
Legal documents processed under enterprise data handling agreements with attorney-client privilege protections. Customer data not used to train AI models per Thomson Reuters terms.
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