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Harvey AI vs Spellbook: 2026 Comparison

Harvey AI is the enterprise generalist purpose-built for Am Law 100 — secure workflows across research, drafting, and diligence — while Spellbook is a Word-native add-in laser-focused on contract drafting and redlining for SMB transactional teams. Big Law buys Harvey for end-to-end coverage; small transactional shops get more value, faster, from Spellbook.

Last reviewed: 2026/05/25

Harvey AI

The most expensive legal AI in the market — Am Law 100 firms only.

Spellbook

AI contract drafting and review inside Microsoft Word for transactional lawyers.

5-Dimension Scorecard

Harvey AI
Dimension
Spellbook
4.5
Accuracy
4.5
4.0
Speed
4.5
3.5
Usability
5.0
2.0
Value
4.5
5.0
Security
4.0

Scores 1–5 with 0.1 precision. Bars highlight the higher score per dimension.

Last reviewed: 2026/05/25. Hands-on review pending. Scores reflect industry consensus. LawyerAI does not accept affiliate commissions; Featured placement is clearly labeled and does not influence editorial scores.

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