Spellbook
AI contract review and drafting for lawyers, right in Microsoft Word
AI-Powered Summary
Spellbook is a legal AI assistant that integrates directly into Microsoft Word to help lawyers review, draft, and negotiate contracts faster. It uses large language models including GPT-5 to redline contracts, surface risks, draft clauses, and compare contract terms to market benchmarks. Used by over 4,000 legal teams across 80+ countries including enterprises like Nestlé, eBay, and Crocs.
Key Features
What makes Spellbook stand out
Contract Review
Automatically redlines contracts and flags risks directly in your Word document.
Contract Drafting
Generates tailored contract clauses matching your document's formatting and defined terms.
Ask Questions
Ask questions about your contracts and get instant AI-powered answers with context.
Market Benchmarks
Compare contract terms against real market data to understand how your terms stack up.
Word Integration
Works as a Microsoft Word add-in so you never have to leave your document.
Risk Detection
Identifies potential legal risks and explains consequences if terms aren't changed.
AI Associate
An AI assistant that acts like a junior associate to support your legal workflow.
What's Great
- Works directly in Microsoft Word, eliminating copy-paste workflows between tools
- Compares contract terms against real market data with benchmarking features
- Compliant with GDPR, CCPA, PIPEDA, and serves teams in 80+ countries
- Helps reduce outside counsel spend significantly according to customer testimonials
- Combines review, drafting, research, and benchmarking in a single platform
Things to Know
- No transparent public pricing — requires contacting sales for a demo
- Tied to Microsoft Word, which may not suit teams using Google Docs or other editors
- Primarily focused on transactional/contract law — limited utility for litigation-heavy practices
Real Cost Breakdown
Hidden Costs
- Pricing is entirely opaque — requires a sales conversation to learn any cost details
- May require Microsoft 365 subscription for Word integration
Cost Saving Tips
- Start with a free trial to evaluate before committing
- Customer testimonials suggest it can offset hundreds of thousands in outside counsel spend
Pricing is not publicly available, which suggests enterprise-level pricing that may be negotiable based on team size and usage.
Price Comparison
Compare Spellbook with similar tools
Spellbook offers enterprise pricing. Contact their sales team for a custom quote based on your needs.
Best For
Transactional lawyers and in-house legal teams who draft and review contracts in Word
Who Should NOT Use This
- Litigators focused on court filings and brief writing — Spellbook is tuned for transactional contract work, not litigation workflows like brief writing, case research, or court document preparation.
- Solo practitioners on a tight budget — Spellbook does not publish pricing and targets law firms and legal teams, suggesting it may be cost-prohibitive for individual lawyers with limited budgets.
- Legal teams using Google Docs or other non-Word editors — Spellbook only works as a Microsoft Word add-in, so teams that rely on Google Workspace or other document editors cannot use it.
- Non-legal professionals looking for general document review — Spellbook is specifically designed for legal contracts and requires legal domain knowledge to use effectively.
Competitive Position
Spellbook combines AI contract review, drafting, and real market benchmarking data directly within Microsoft Word, removing the need to switch between tools.
When to Choose Spellbook
- You need contract review and drafting AI that works directly in Microsoft Word
- You want to benchmark contract terms against real market data
- Your legal team handles high volumes of transactional contracts and needs faster turnaround
- You operate internationally and need a tool compliant with GDPR, CCPA, and PIPEDA
When to Look Elsewhere
- You primarily do litigation work and need case law research tools
- Your team uses Google Docs instead of Microsoft Word
- You need transparent, self-serve pricing without talking to sales
- You want a general-purpose AI writing tool rather than a legal-specific one
Strongest alternative: CoCounsel (by Thomson Reuters / Casetext)
Learning Curve
Prerequisites
Common Challenges
- Learning to trust and verify AI-generated contract language
- Understanding how to effectively use benchmarking against market data
- Integrating AI suggestions into existing legal review workflows
Frequently Asked Questions
Common questions about Spellbook
Compare Spellbook
See how Spellbook stacks up against alternatives
Ready to try Spellbook?
Join thousands of users who are already using Spellbook to supercharge their workflow.
Get Started Free