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