Best AI Legal Assistant Software with Legal Due Diligence Capabilities

How Many AI Legal Assistant Software Products Does G2 Track?

Total Products under this Category: 183

Category Stats (Oct 2026)

  • Average Rating: 4.68/5 (↑0.01 vs Sep 2026) The average rating of products in this category, based on all submitted ratings
  • Top Trending Product: Clio Work (+2.64%) - Among all products in this category, Clio Work recorded the largest rating increase compared to last month

Last updated: October 07, 2026

How Does G2 Rank AI Legal Assistant Software Products?

Why You Can Trust G2's Software Rankings:

  • 30 Analysts and Data Experts
  • 4,400+ Authentic Reviews
  • 183+ Products
  • Unbiased Rankings

G2's software rankings are built on verified user reviews, rigorous moderation, and a consistent research methodology maintained by a team of analysts and data experts. Each product is measured using the same transparent criteria, with no paid placement or vendor influence. While reviews reflect real user experiences, which can be subjective, they offer valuable insight into how software performs in the hands of professionals. Together, these inputs power the G2 Score, a standardized way to compare tools within every category.

G2 Grid® for AI Legal Assistant Software

G2 Grid® for AI Legal Assistant Software plotting products by satisfaction and market presence

Highlighted products: Rev, CoCounsel Legal, Supio, Harvey AI, Eve Legal, Relativity, Everlaw, and Clio Work.

Underlying data: [Grid® JSON](https://www.g2.com/categories/ai-legal-assistant/grids.json?focus%5B%5D=rev&focus%5B%5D=cocounsel-legal&focus%5B%5D=supio&focus%5B%5D=harvey-ai&focus%5B%5D=eve-legal&focus%5B%5D=relativity&focus%5B%5D=everlaw&focus%5B%5D=clio-work)

Legal-Grade™ AI

Luminance’s Legal-Grade™ AI automates and augments every touchpoint a business has with its contracts. Its Mixture of Experts approach - known as the “Panel of Judges” - uses probabilistic consensus to ensure legal-grade accuracy during contract generation, negotiation and post-execution analysis. Trusted by over 700 customers in 70+ countries including a quarter of the world’s largest law firms and multinational organisations across industries, from AMD and National Grid to LG Chem and DHL, Luminance’s end-to-end platform brings specialist AI to wherever computer meets contract.

Average Rating: 4.6/5.0

Total Reviews: 10

Who Is the Company Behind Legal-Grade™ AI?

Who Uses This Product?

  • Company Size: 60% Large, 40% Small

What Are Recent G2 Reviews of Legal-Grade™ AI?

Litera Kira

Kira is an AI-powered contract intelligence platform, enabling legal teams to analyze contracts with proven accuracy, flexible governance controls, and purpose-built workflows for high-volume review. Built on 30 years of legal expertise and refined through a decade of AI innovation, Kira delivers battle-tested precision with hybrid AI architecture.​ In Contract Review, “Close Enough Isn’t Good Enough” 90%+ accuracy with hybrid AI across 1,400+ proprietary AI fields End-to-end contract review with built-in legal collaboration Governance-first AI, with GenAI controls you can toggle on or off One connected legal tech ecosystem for drafting, transactions, and knowledge Contract Intelligence That Scales with Your Team Enterprise and Large Law Firms Accelerate high‑volume, high‑stakes contract review with 90%+ accuracy, collaborative workflows, and governance controls that help large firms reduce risk and deliver results faster​ Corporate Legal Departments Streamline corporate contract review with simple, accurate hybrid AI and intuitive workflows that reduce risk, speed deal cycles, and support compliance‑ready governance Small Law Firms Work like big firms by delivering fast, accurate contract review through intuitive, scalable AI workflows, without adding headcount

Average Rating: 4.3/5.0

Total Reviews: 10

Who Is the Company Behind Litera Kira?

  • Seller: Litera
  • Year Founded: 1995
  • HQ Location: Chicago, Illinois
  • Twitter: @Litera_AI
    1,659 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    1,558 employees on LinkedIn®

Who Uses This Product?

  • Company Size: 400% Small, 300% Medium

What Are Recent G2 Reviews of Litera Kira?