Harvey vs Spellbook
Which should you use? A side-by-side look at what each one does, who it suits, what it costs, how hard it is to set up, and where each falls short.
AI tool · Paid
A generative AI platform for law firms and legal teams for research, drafting and document review.
AI tool · Paid
An AI contract drafting and review assistant that works inside Microsoft Word.
The short answer
Choose Harvey if you need…
- Law firms
- In-house legal teams
Choose Spellbook if you need…
- Contract review in Word
- Small legal teams
Side-by-side
| Harvey | Spellbook | |
|---|---|---|
| Type | Business & finance · Contracts & legal | Business & finance · Contracts & legal |
| Price | Paid | Paid |
| Platforms | Web | Windows, macOS, Web |
| Works with | Microsoft 365 | Microsoft 365 |
| Hands-on tested by us | Not yet | Not yet |
| Last checked | 2026-10-29 | 2026-10-29 |
What each one is
Harvey
A generative AI platform for law firms and legal teams for research, drafting and document review. Purpose-built for legal professionals. Enterprise-only, and outputs require lawyer review.
Spellbook
An AI contract drafting and review assistant that works inside Microsoft Word. Convenient where lawyers already work. Not a substitute for legal judgement.
Best for
Harvey
- Law firms
- In-house legal teams
Spellbook
- Contract review in Word
- Small legal teams
Strengths
Harvey
- Legal research assistant
- Document review vaults
- Drafting
- Workflows
Spellbook
- Clause suggestions
- Risk review
- Benchmarks against market terms
- Word add-in
Frequently asked questions
What is the difference between Harvey and Spellbook?
Harvey: A generative AI platform for law firms and legal teams for research, drafting and document review. Spellbook: An AI contract drafting and review assistant that works inside Microsoft Word. Harvey suits law firms, while Spellbook suits contract review in word.
Are Harvey and Spellbook free?
Harvey: Paid. Spellbook: Paid.
What are other alternatives to Harvey and Spellbook?
Other options people compare them with include Docusign.
Keep comparing
Built from our catalogue entries for both products: open-source details come from each project's README (AI-assisted, refreshed weekly) and GitHub data; AI-tool details are editorial. Spotted something wrong? Let us know from either product's page.