Draft contracts
10x faster with AI

Spellbook uses GPT-4 to review and suggest language for your contracts, right in Microsoft Word.

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3,000+ legal teams use Spellbook to automate legal work

Trained on billions of lines of legal text, Spellbook suggests language for your contracts instantly.

You've never seen legal AI like this before.

Understands the World

Aside from law, Spellbook is trained on the entire Internet, books, and Wikipedia.

Powered by GPT-4.5 & LLMs

Powered by OpenAI's GPT-4o and other large language models (LLMs).

Tuned for Contracting

The #1 LLM-powered tool that's tuned for contracting & integrated with Word.

Detect aggressive terms

Immediately bubble up sneaky or unusual terms.

Find risks buried in your contracts

Automatically highlight risks and non-market terms.

List missing clauses and definitions

Suggest important language and clauses that may be missing from the contract.

Negotiation suggestions

Suggest common points of negotiation.

Tuned for contracting

Trained on billions of lines of legal text, Spellbook understands contracting in-depth.

Works in Word

Integrated directly into Word so you have it when you need it, where you need it.

Draft and review 10x faster with Spellbook