Spellbook
Contracts at the speed of commerce
Overview
Spellbook is an AI contract review and drafting tool for legal teams that works directly inside Microsoft Word instead of a separate app. It reviews contracts for risky or nonstandard language, drafts clauses and full agreements from precedent, and benchmarks terms against thousands of comparable deals so lawyers can quickly tell if a clause is market-standard. Its Ask feature answers cited questions about the document currently open.
More than 4,500 legal teams across 80+ countries use it, including in-house teams at Dropbox, eBay, ASICS, and Fender, and it holds a 4.7/5 rating on G2 per Spellbook's own homepage. Playbooks let firms encode their own review standards, and Spellbook Associate extends that to multi-document work like M&A due diligence. Pricing isn't published; it's quoted per organization by team size, with only a 7-day free trial and free academic access offered at no cost.
Key Features
Review — redlines contracts and flags risky or missing terms directly in Word
Draft — generates clauses and full documents from scratch or saved precedents
Compare — benchmarks contract language against thousands of similar deals
Ask — answers cited questions about the document currently open
Playbooks — encodes a firm's own standards so every review follows the same rules
Spellbook Associate — AI agent for multi-document drafting/review (e.g. M&A due diligence)
Integrates with Salesforce and Slack
Pricing
Starting price
Custom, quote-based (not publicly disclosed) — 7-day free trial available
Spellbook does not publish set pricing. Plans are quoted per organization based on team size, covering the Word add-in and Spellbook Associate, for both law firms and in-house teams. A 7-day free trial is offered, and academic institutions can request free access. An exact quote requires booking a demo.
Pros
Works natively inside Microsoft Word, no separate app to learn
Compare-to-market feature gives an instant read on whether contract terms are standard
Playbooks help smaller teams apply consistent review standards across recurring contract types
Strong adoption and reputation: 4,500+ legal teams, 80+ countries, 4.7/5 on G2, customers include Dropbox, eBay, ASICS, Fender
7-day free trial and free access for academic institutions
Cons
No published pricing anywhere on the site, you have to book a demo just to learn the cost
Scope is limited to commercial contracts; no help with employment law, regulatory monitoring, or board matters
Ask only answers questions about the document open in Word, not broader legal research across statutes or case law
Being Word-centric, it can leave gaps in contract lifecycle management, reporting, or collaboration outside the editor
Reviewer reports mention some formatting inconsistencies in AI output and a learning curve to write good prompts and configure playbooks well
What Makes It Unique
Unlike broader legal-AI platforms that try to cover research, compliance, and drafting all at once, Spellbook stays narrowly focused on commercial contracts and lives entirely inside Microsoft Word, where most lawyers already draft and redline. Its Compare feature benchmarks language against a large base of comparable deals in real time, and Spellbook Associate extends that same focus to multi-document work like M&A diligence, rather than trying to be a general-purpose legal assistant.
Kay Score
7.5
/ 10
Tool Information
Pricing
Custom, quote-based (not publicly disclosed) — 7-day free trial available
Category
Writing & Content
Platform
Web / iOS / Android
Last Updated
