Which AI contract review tools can a small law firm buy, and what do they cost?

Six tools in Contract Review & Drafting AI are sold to solo attorneys and small firms, and three post a price: Macro from a free tier and $20/user/mo, Gavel Exec at $160/user/mo, and Law Insider SimpleAI at $1,790/user/yr. Spellbook, LegalOn and Lexis Create+ are priced by quote. All six post that client data is not used to train their AI models and name SOC 2 Type II; Macro, LegalOn and Lexis Create+ also name ISO 27001. Prices were read on the vendor's own site on October 31, 2026.

Posted prices

• Macro: macro-sm Free (1GB, 100 files, 100k APU); macro-md $20/user/mo; macro-lg $50/user/mo. A legal workspace with all features in every plan, including AI playbooks for contract review, redline summaries, key-term extraction, precedent-based drafting and AI Citations that link every output to its source; iManage and NetDocuments listed.
• Gavel Exec: $160/user/mo, or $1,740 per user billed yearly, with 25 free queries per user to start and no credit card; paid plans include 1,000 queries per user per month. A Microsoft Word add-in and web app that redlines whole agreements, flags missing terms, benchmarks provisions against market and applies the firm's playbooks.
• Law Insider SimpleAI: $1,790/user/yr after a 7-day trial (annual billing shown). Drafting, review and redlining inside Word and the browser, with clause generation and playbooks drawn from a database of 20M+ contracts and 200M+ clauses; the FAQ positions SimpleAI for solo users.

Priced by quote

• Spellbook: quote-based, by the number of team members on the license, with a 7-day free trial. A Word add-in with Review, Draft, Ask, Benchmarks and Playbooks, plus Spellbook Associate, a multi-document agent; Google Docs, OneDrive, SharePoint, Dropbox and iManage listed.
• LegalOn: quote-based, per seat with no per-contract charges. Review and redlining in Word with attorney-built playbooks; its Core Review tier is written for solo attorneys and fractional GCs.
• Lexis Create+: quote-based. The Protégé assistant inside Word and Outlook, with Shepard's citation validation, Table of Authorities building, proofreading and redaction.

Contract review inside other tools

• LawY: $89/user/mo all-in-one, with contract review and redlining and a Word add-in alongside research and first drafts.
• Vincent AI: quote-based. Analyze a Contract and Redline Analysis workflows on the vLex/Fastcase library, with a page written for solo practitioners and small firms; Clio listed.
• Clio Work: quote-based, with a free trial. Reviews contracts and pleadings, extracts terms and drafts, inside Word through Clio for Word.
• Bloomberg Law: quote-based. Draft Analyzer and Clause Adviser inside a research subscription sold as one platform, one price.
• Legito: free workspace, paid plans quote-based. Document automation and lifecycle management whose Kedy AI builds templates from Word documents.

How to read this

The three posted prices use three units: Macro per user per month, Gavel Exec per user per month with a yearly option, and Law Insider per user per year. Gavel Exec counts queries and Macro counts files and APU; the listing for each carries the full plan table. For the quote-based three, Spellbook's FAQ says it supports individuals, LegalOn names solo attorneys in its Core Review tier, and Lexis Create+ carries testimonials from a solo practitioner and small-firm lawyers.

Quick answers

Which AI contract review tool has a free plan?

Macro's macro-sm tier is free with 1GB, 100 files and 100k APU and every feature included. Gavel Exec gives 25 free queries per user with no credit card, and Spellbook and Law Insider SimpleAI offer 7-day trials.

Which of these work inside Microsoft Word?

Gavel Exec, Law Insider SimpleAI, LegalOn, Lexis Create+ and Spellbook all run as Word add-ins, and LawY has a Word add-in for contract review. Macro is a workspace of its own that connects to iManage and NetDocuments.

Do these vendors say client contracts are not used to train their models?

Yes, all six in the category: Gavel Exec, Law Insider SimpleAI and Spellbook name SOC 2 Type II; Macro and LegalOn name SOC 2 Type II and ISO 27001; Lexis Create+ names SOC 2 Type 2 and ISO/IEC 27001.