LexisNexis® Legal & Professional has announced that Lexis+ AI™ is now available to U.S. customer’s Given the legal market skittishness about both the security and reliability of Generative AI, (GAI) the Lexis + AI launch meeting for the legal press focused on how Lexis+ AI will deliver encrypted, secure and reliable results. Jeff Pfeifer, Chief Product Officer, North America and UK, provided the overview an demo.
Reliable research results. Pfeifer explained that the new AI solution is designed to deliver trusted results because the system relies on Lexis authoritative primary and secondary materials combined with Shepard’s citations which provides direct links to supporting authorities for all GAI based answers.
Lexis announced its commercial preview program back in May 2023. This provided a living laboratory where Lexis could get feedback from users across all segments of the legal market (global law firms, corporate legal departments, small law firms, and U.S. courts).
The Lexis+ AI press release asserts that Lexis+ AI answers offer the fastest GAI “answers” solution in the market.” The “conversational dialog” can respond to up to five sequential questions.

Hallucination Free At the time of launch Lexis+ AI is the only legal generative AI solution with citations linked in its responses, “providing trusted legal results backed by verifiable authority.” This minimizes the risk of invented content, or hallucinations, and checks all citations against Shepard’s to ensure citation validation. The solution also offers users the ability to input specific citations to verify accuracy and flag when a citation might be wrong. Customers can give instant feedback within the product to continually improve product performance, content relevance, and overall product accuracy.
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