Lexis+ AI

Lexis+ AI

LexisNexis
+
+

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About

ArkLegal AI is a cloud-based U.S. legal research, document analysis and drafting platform for attorneys, law firms, legal teams, businesses and self-represented users. It supports jurisdiction-aware research across all 50 states and federal courts, citation checks and source links, document review, legal drafting and matter workspaces. Microsoft Word, OneDrive and Clio integrations are included in the Ark plan. Users can research questions, analyze uploaded documents and develop drafts in a browser. Free research and document tools are available alongside paid subscriptions. Founded on December 6, 2025 by practicing attorney Philippe Revah, ArkLegal AI is operated by ARK LEGAL AI LLC in Hallandale Beach, Florida. ArkLegal AI is software, not a law firm. Users should independently review sources, current treatment, citations and drafts before relying on results.

About

Lexis+ AI delivers trusted AI informed by your firm documents and authoritative LexisNexis content backed by Shepard’s® Citation Validation. Search, draft, summarize, and analyze using the fastest legal generative AI uniquely tailored to you, wherever you work. Collaborate with Lexis+ AI like you would a trusted colleague who intelligently and conversationally responds to your requests and refines answers. Go from blank page to arguments, contract clauses, and concise client communications, all grounded in authoritative content with remarkable speed, ease, and precision. Get the legal summary you need in seconds without clicking into a single search result. Extract and summarize key insights from firm documents in moments.

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Supported
iPad Supported
Android Supported
Chromebook Not Supported

Audience

Attorneys, law firms, in-house legal teams, businesses and self-represented users conducting U.S. legal research and drafting

Audience

Legal professionals looking for the leading AI tools and analytics

Support

Phone Support Not Supported
24/7 Live Support Supported
Online Supported

Support

Phone Support Supported
24/7 Live Support Not Supported
Online Not Supported

API

Offers API Not Supported

API

Offers API Not Supported

Screenshots and Videos

Screenshots and Videos

Pricing

$39.99/user/month
The Ark plan: $89 every 30 days with $89 of usage credit included each period. Covers all 50 states and federal courts, AI legal research, case agents, matter workspaces with 25 GB storage, citation verification, DOCX export, and the Clio, Microsoft Word and OneDrive integrations. Law Database + AI Doc Synthesizer: $39.99 per user per month for full case-law reading plus OCR, extraction and PDF tools. Free account with 2 free queries. No contract; cancel any time.
Free Version Supported
Free Trial Not Supported

Pricing

No information available.
Free Version Not Supported
Free Trial Supported

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Training

Documentation Not Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Company Information

ArkLegal AI
Founded: 2025
United States
arklegal.ai/

Company Information

LexisNexis
Founded: 1970
United States
www.lexisnexis.com/en-us/products/lexis-plus-ai.page

Alternatives

Alternatives

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LexisNexis

Categories

AI Legal Supported

ArkLegal AI combines multiple language models with citation-focused retrieval for U.S. legal work: research answers, case agents, matter workspaces with document uploads, drafting with DOCX export, and integrations with Clio, Microsoft Word and OneDrive. The running cost of every chat and matter is shown as you go.

Legal Research Supported

ArkLegal AI searches case law, statutes and regulations across all 50 states and federal courts, returning answers with source links and supporting passages. Its citation verification checks that each cited authority exists, is accurately cited and has not been flagged as overruled or superseded, with the citing court's passage shown behind each treatment flag.

Categories

AI Legal Supported

Integrations

Android Not Supported
Apple iOS Not Supported
Clio Supported
Lexis Not Supported
Microsoft OneDrive Supported
Microsoft Word Supported

Integrations

Android Supported
Apple iOS Supported
Clio Not Supported
Lexis Supported
Microsoft OneDrive Not Supported
Microsoft Word Not Supported
Claim ArkLegal AI and update features and information
Claim ArkLegal AI and update features and information
Claim Lexis+ AI and update features and information
Claim Lexis+ AI and update features and information