Harvey vs Spellbook
A side-by-side comparison of Harvey and Spellbook, two Legal tools, drawn from Ignaite's continuously-verified listings.
Compared from listings verified as of
At a glance
| Attribute | Harvey | Spellbook |
|---|---|---|
| Category | Legal | Legal |
| Pricing | PAID | PAID |
| License | Proprietary | Proprietary |
| Deployment | Cloud | Cloud |
| Platforms | Web | Web |
| Model support | Multi-model | Multi-model |
| Vendor (differs) | Harvey AI | Rally Legal (Spellbook) |
| Capabilities (differs) |
|
|
The honest brief
Harvey
The default general-purpose legal AI at scale: Vault analyzes up to ~100K-doc collections, used across AmLaw 100 firms.
- Adopted by most AmLaw 100 firms
- Bulk doc analysis via Vault
- Grounds answers in firm's own materials
- Operates across 60 countries
- No public pricing, sales-only
- ~$1,000+/lawyer/mo, 20-seat minimum
- Tuned to big-firm billable workflows
- Heavy enterprise onboarding
Spellbook
Runs entirely as a Microsoft Word add-in, so drafting and redlining happen in the document lawyers already work in.
- Native Microsoft Word add-in
- Clause benchmarking + playbook review
- Early generative-AI legal tool (2022)
- Multi-model (GPT, Claude)
- Paid-only, no free tier
- Tied to the Word workflow
- Less suited to litigation/research
When to pick which
Both cover Legal research, Contract review, and Contract drafting.
Pick Harvey if you need Chat with documents.
- Chat with documents (secondary capability)
Pick Spellbook if you need Cited answers.
- Cited answers (secondary capability)
They share capabilities, but each leads with different ones as a headline job:
Harvey is built around Legal research.
- Legal research (primary capability)
Spellbook is built around Contract review and Contract drafting.
- Contract review (primary capability)
- Contract drafting (primary capability)