Legal AI · Copilot / assistant
Spellbook
Contract drafting and review, inside Microsoft Word.
Spellbook sits in Word and redlines, drafts and negotiates contracts in the place lawyers already work. Notable time-to-value for mid-market and specialist firms that live in Word rather than a new workspace.
Facts above are from the public file. The view is ours. We do not publish a numeric score. Methodology
- Practice
- Contracts, Corporate / M&A, In-house / legal ops, Employment, Finance / markets
- Jurisdictions
- United States, Canada, England & Wales, Australia
- Autonomy
- Copilot / assistant
- LLM family
- OpenAI GPT-class
- Evals
- Clause-level regression, playbook tests
- Pricing
- Per seat · From ~£80 / user / month
- HQ
- Toronto
- Last checked
- 13 Sept 2026
- Last updated
- 13 Sept 2026
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Evidence
Source-backed items on file. Coverage is not a quality score. Not paid placement.
Evidence file
3 independent · 1 vendor (1 historic)
Well documented · weight 3.2Last checked 13 Sept 2026
31 Jul 2025 · Artificial Lawyer
Spellbook launches Library so drafts learn from a firm’s own precedents
Artificial Lawyer reported Library / Smart Clause Drafting, which retrieves clauses from a lawyer’s own document history instead of generic model language.
Independent reporting · Independent source · Source ↗
9 Oct 2025 · Artificial Lawyer
Spellbook raises $50 million Series B led by Khosla Ventures
Artificial Lawyer reported a $50 million Khosla-led Series B at a $350 million valuation, with Keith Rabois leading and total funding above $80 million.
Independent reporting · Independent source · Source ↗
7 Jun 2026 · Modern Law Office
Independent review: Spellbook as a Word contract copilot for transactional lawyers
A practitioner review of Spellbook as a Microsoft Word add-in that drafts and reviews contract language in document context, aimed at solos and small transactional firms.
Independent reporting · Independent source · Source ↗
Date not stated · Spellbook
Spellbook product: contract drafting and review inside Word
Vendor product page for the Word add-in covering review, draft, playbooks and Associate multi-document workflows, claiming 10 million-plus contracts reviewed.
Product documentation · Vendor source · Historic · Source ↗