| # | ALTERNATIVE | BEST FOR | SCORE | FROM | RANKED |
|---|---|---|---|---|---|
| 1 |  HarveyGenerative AI for elite legal practice | Large law firms | 95.0 | Custom | #1 in Top 10 AI Legal-Document AssistantsOn 2 of Spellbook's rankings |
| 2 |  LawGeexAutomated contract review for enterprises | Enterprise legal operations | 83.3 | Custom | #6 in Top 10 AI Legal-Document AssistantsOn 2 of Spellbook's rankings |
| 3 |  LegalOnAttorney intelligence for enterprise legal departments seeking fastest time-to-value. | In-house legal teams and corporate legal departments | 95.0 | $550/month | #1 in Top 10 AI Contract-Review Tools |
| 4 |  CoCounselYour AI legal assistant for complex tasks | Litigation and research | 92.7 | $500/month | #2 in Top 10 AI Legal-Document Assistants |
| 5 |  LinkSquaresFaster contracting and deeper insights | Legal teams prioritising analytics | 92.5 | Custom | #2 in Top 10 AI Contract-Review Tools |
| 6 |  CoCounsel LegalThomson Reuters integrated research and analysis for Westlaw firms | Mid-to-large firms using Westlaw | 91.5 | $110–$400 per month (billed annually) | #2 in Top 10 AI Research Assistants for Lawyers |
| 7 |  LEGALFLYGDPR-certified all-in-one platform for compliance-heavy contract management. | In-house teams managing high volume, complex jurisdictions, and strict compliance requirements | 90.0 | Contact for pricing | #3 in Top 10 AI Contract-Review Tools |
| 8 |  Lexis+ with ProtégéLexisNexis integrated AI drafting, research and analysis | Firms invested in LexisNexis ecosystem | 88.0 | $12 per month | #3 in Top 10 AI Research Assistants for Lawyers |
| 9 | CasetextSmart legal research and case law analysis | Case law research | 88.0 | $115/month | #4 in Top 10 AI Legal-Document Assistants |
| 10 |  Paxton AICitation-accurate research assistant for litigation and personal injury | Small-to-mid law firms focused on litigation, personal injury and employment | 84.5 | $499 per month or $2,999 per year | #4 in Top 10 AI Research Assistants for Lawyers |
FROM LISTER RANKINGS · UPDATED HOW WE RANK → | |||||
Start from what you need it for. Where each fits best, as Lister records it:
Closest to Spellbook by the rankings they share: Harvey (2 rankings) and LawGeex (2 rankings).
Stated starting prices: LegalOn ($550/month), CoCounsel ($500/month), CoCounsel Legal ($110–$400 per month (billed annually)), Lexis+ with Protégé ($12 per month), Casetext ($115/month) and Paxton AI ($499 per month or $2,999 per year).
Custom or quote-based pricing: Harvey, LawGeex, LinkSquares and LEGALFLY.
Each Lister Score is the alternative's score on the ranking named in its row, so compare scores within one ranking rather than across rankings. How the score is made.
#1 in Top 10 AI Legal-Document Assistants: An advanced generative AI platform built on custom large language models for elite law firms and corporate legal departments.
#6 in Top 10 AI Legal-Document Assistants: An automated contract review and approval platform powered by artificial intelligence and legal playbooks.
#1 in Top 10 AI Contract-Review Tools: In-house legal teams and corporate legal departments seeking fastest time-to-value with pre-built attorney intelligence and automated contract analysis.
#2 in Top 10 AI Legal-Document Assistants: An AI legal assistant powered by GPT-4 designed to perform document review, legal research, deposition preparation, and contract analysis.
#2 in Top 10 AI Contract-Review Tools: Mid-market and enterprise organisations managing 2,000+ contracts with AI-assigned A-F risk scores allowing legal to approve low-risk agreements without manual review.
#2 in Top 10 AI Research Assistants for Lawyers: Developed by Thomson Reuters, CoCounsel integrates authoritative Westlaw primary law with Practical Law guidance and AI-driven analysis, tailored for firms already embedded in the Westlaw ecosystem.
#3 in Top 10 AI Contract-Review Tools: In-house teams managing high volume, complex jurisdictions, and strict compliance requirements with mandatory data anonymization built into core architecture.
#3 in Top 10 AI Research Assistants for Lawyers: Formerly known as Lexis+ AI and rebranded in February 2026, Protégé integrates AI-powered drafting, legal research and document analysis workflows directly into the LexisNexis ecosystem for firms seeking comprehensive AI assistance.
#4 in Top 10 AI Legal-Document Assistants: A comprehensive legal research platform that uses advanced AI to find relevant case law and statutes quickly.
#4 in Top 10 AI Research Assistants for Lawyers: Paxton AI prioritises citation accuracy with zero hallucinated citations, offering specialised workflows for litigation, personal injury and employment law at affordable monthly and annual pricing.