Harvey vs Spellbook: Which Legal AI Tool Should Lawyers Use?

Harvey is a broad legal AI platform for law firms, in-house teams, and professional services. Spellbook is focused on contract review and drafting inside Microsoft Word for transactional lawyers.

Tagline
AI platform for legal and professional services.
AI contract review and drafting inside Microsoft Word.
Pricing
PaidCustom pricing
PaidCustom pricing
Open source
No
No
API available
Yes
No
Platforms
Web, Enterprise cloud
Microsoft Word, Web
Key features
  • Legal research
  • Contract analysis
  • Due diligence
  • Litigation support
  • Enterprise legal workflows
  • Contract review
  • Contract drafting
  • Word add-in
  • Market term guidance
  • Legal Q&A

Harvey

AI platform for legal and professional services.

Pros

  • + Purpose-built for legal work
  • + Strong enterprise adoption
  • + Good for high-value document workflows

Cons

  • Custom pricing
  • Requires legal oversight
  • Enterprise implementation effort

Spellbook

AI contract review and drafting inside Microsoft Word.

Pros

  • + Works inside Word
  • + Focused on contracts
  • + Good fit for transactional lawyers

Cons

  • Legal review still required
  • Contract-specific focus
  • Pricing requires sales contact

Which should you choose?

Choose Harvey if…

  • You need legal research
  • You need due diligence
  • You need contract review

Choose Spellbook if…

  • You need contract drafting
  • You need contract review
  • You need transactional legal work

The verdict

Choose Harvey for broad legal research, due diligence, litigation, and professional-services workflows. Choose Spellbook if your primary need is contract drafting and review directly inside Word.