AI Contract Review that helps legal teams move faster and reduce reliance on outside counsel.



















Stop starting from scratch and start where your last good agreement left off.
Liability gaps, unfavorable indemnification terms, and missing clauses on third-party paper get flagged before they become problems after signing.
Handle agreements that currently go to outside counsel so routine work stops generating expensive invoices.

John Walker
Head of Global Commercial Legal, Dropbox




Review and draft in Microsoft Word, then pull from the document repositories your team already relies on.
Spellbook combines leading language models with deep legal context and contract-focused training.
You’ll meet with our team, get a step-by-step guide for your use case , and get set up for your free trial.
Explore the full product from day one. Your trial is built to show real value, fast.
Less repetitive review. Less manual redlining. More time for the work that actually needs your judgment.
Book a Demo
1. How legal teams compare on contract review time across industries
2. Where outside counsel spend is highest and how AI is changing the calculus
3. Why playbook adoption is the #1 driver of legal team efficiency in 2026
Legal Operations, Alturas Capital Partners
We've decreased our outside counsel spend by hundreds of thousands of dollars over a relatively short period of time.
Senior Legal Counsel, NEAR Foundation
Spellbook provides about a 30% lift in my efficiency, if not higher.
In-house Team
… [Spellbook] helps our lawyers speed through redlines and initial drafts right in Microsoft Word.
Your agreements end up in Word. Spellbook lives there too, making every review faster, more consistent, and less reliant on outside counsel.
Reduction in contract drafting and review time
Lift in efficiency reported by in-house legal teams
In-house teams and law firms trust Spellbook worldwide
Submission Received
Thank you for your interest!
Spellbook is built specifically for contract work. It works directly in Microsoft Word, understands legal drafting context, helps review and redline contracts, compares language to market, and lets your team save playbooks based on your standards. It is designed for legal workflows, not general-purpose prompting.
Yes. Spellbook is built with enterprise security in mind. It highlights SOC 2 Type II compliance, encryption in transit and at rest, and zero data retention agreements with OpenAI and Anthropic, meaning customer data sent to those providers is not persisted.
Getting started is straightforward. Spellbook works directly in Microsoft Word, so your team can stay in a familiar workflow instead of learning a whole new system. Trial users can get access quickly and start reviewing and drafting right away.
Spellbook offers custom pricing based on the number of team members on your license. That makes it flexible for teams of different sizes, from smaller legal departments to larger global teams.
Yes. Spellbook lets you create custom playbooks so your team can save and reuse specific review instructions, preferred language, and internal standards across contracts.
Submission Received
Thank you for your interest!
We're connecting you with the best rep