Spellbook is an AI contract drafting tool that lives inside Microsoft Word as an add-in — it uses GPT-4 to suggest clauses, review contract language and draft entire sections without ever leaving your document. For lawyers who spend their days in Word, it's the most frictionless way to add AI to contract work.
It suggests missing clauses, flags aggressive or unusual terms, explains complex provisions in plain English and drafts alternative language on demand. Spellbook is trained on millions of legal contracts, so its suggestions are grounded in market-standard language rather than generic AI output.
Unlike enterprise CLM platforms, Spellbook is designed for individual lawyers and small teams — it's quick to set up, affordable relative to enterprise tools and immediately useful for anyone doing regular contract work.
Key Features
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Clause Suggestions
Suggests relevant clauses you may have missed — trained on millions of contracts to know what belongs in each agreement type.
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Contract Review
Flags aggressive terms, one-sided language and unusual provisions — with plain-English explanations of the risk.
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Draft on Demand
Ask Spellbook to draft any clause or section — it generates market-standard language instantly.
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Plain English Explanations
Explains complex legal language in plain English — useful for client communications and understanding counterparty positions.
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Works in Word
Lives as a Word add-in — no new platform, no copy-pasting. Works where you already draft contracts.
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Fast Setup
Install in minutes — no IT team, no enterprise procurement. Start using it same day.
Pros & Cons
What we love
Works inside Microsoft Word — zero friction
Fast setup — no enterprise procurement
Affordable relative to CLM platforms
Trained on real commercial contracts
Great for solo and small firm lawyers
Watch out for
Word only — no Google Docs support
Less powerful than full CLM platforms
No obligation tracking or storage
Frequently Asked Questions
Spellbook installs as a Word add-in — once installed, a Spellbook panel appears in your Word ribbon. Highlight any contract text and ask Spellbook to review it, suggest alternatives or explain it. You can also ask it to draft new clauses from scratch. Everything happens inside Word without switching platforms.
Yes — Spellbook is one of the most accessible AI contract tools for solo practitioners and small firms. At $99/month, it's significantly cheaper than enterprise platforms while delivering real value for regular contract drafting and review. The Word integration means there's almost no learning curve.
Spellbook works across commercial contract types — NDAs, MSAs, SaaS agreements, employment contracts, asset purchase agreements and more. It's trained on a wide range of commercial agreements. It's less suited to highly specialised documents like complex financing agreements or court filings where domain-specific expertise matters more.