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Use the latest AI models to check contracts against custom rulesets, get clear answers, and add preferred language — all in Word.
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Trusted by 2,700 law firms and in-house teams worldwide
Playbooks instantly flags issues, suggests fixes, and ensures nothing gets missed
“I love Spellbook. I use it every day. It saves me at least one hour, sometimes two hours, a day.”
Diego Alvarez-Miranda,
Estate Planning Lawyer, CunninghamLegal
The most used AI suite for commercial lawyers
Understands the World
Aside from law, Spellbook is trained on the entire Internet, books, and Wikipedia.
Powered by GPT-4 & 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.
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Apply Playbooks to contracts instantly in Word
Your team’s legal knowledge, applied automatically to every document.