Harvey vs Spellbook
Side-by-side comparison of features, pricing, and ratings
At a glance
| Dimension | Harvey | Spellbook |
|---|---|---|
| Pricing | Custom (contact sales) | Custom (7-day free trial) |
| Target User | Large law firms & in-house teams | Transactional lawyers & in-house counsel |
| Core Integration | Microsoft 365, Slack, Teams, Relativity, iManage, NetDocuments | Microsoft Word, iManage |
| Best For | End-to-end task automation & multi-domain research | Contract drafting & review in Word |
| Key Recent Feature | Fable 5 model, Visualize Legal Data on Demand (June 2026) | Proofread, Spicy Mode, Compare to Market (2026) |
| Mobile Access | Harvey Mobile (web-based) | No dedicated mobile |
For large firms needing broad workflow automation and multi-domain research, Harvey is the more comprehensive platform with deeper integrations and an enterprise-grade AI model (Fable 5). For transactional lawyers focused on contract drafting and review within Microsoft Word, Spellbook offers a more specialized, hands-on copilot with features like Spicy Mode and Compare to Market—backed by a free trial. Choose Harvey if you want end-to-end task agents and analytics; choose Spellbook if you need a nimble, Word-native contract assistant.
Agentic legal AI platform for law firms and in-house teams that automates complex workflows end-to-end.
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Who should pick which
- Large law firm with multiple practice areasPick: Harvey
Harvey's broad suite (including Agents, Knowledge, and Command Center) handles diverse workflows from litigation to corporate, plus cross-organization collaboration via Shared Spaces.
- Transactional lawyer drafting contracts dailyPick: Spellbook
Spellbook's Word-native copilot with Spicy Mode, Directed Draft, and Compare to Market directly accelerates contract drafting and negotiation, the core need.
- In-house team needing contract analytics and governancePick: Harvey
Harvey's Command Center provides analytics, benchmarking, and AI governance, plus Contract Intelligence for negotiation insights—ideal for in-house oversight.
- Solo practitioner focused on contractsPick: Spellbook
Spellbook's free trial and simpler Word integration are more accessible for solo users, and its features cover core drafting/review needs without enterprise overhead.
- Litigation team requiring document analysis and researchPick: Harvey
Harvey's Vault for bulk document analysis and Knowledge for multi-domain research are built for litigation, whereas Spellbook is contract-focused.
Frequently Asked Questions
Harvey vs Spellbook: which should you choose?
For large firms needing broad workflow automation and multi-domain research, Harvey is the more comprehensive platform with deeper integrations and an enterprise-grade AI model (Fable 5). For transactional lawyers focused on contract drafting and review within Microsoft Word, Spellbook offers a more specialized, hands-on copilot with features like Spicy Mode and Compare to Market—backed by a free trial. Choose Harvey if you want end-to-end task agents and analytics; choose Spellbook if you need a nimble, Word-native contract assistant.
Does Harvey integrate with Microsoft Word like Spellbook?
Yes, Harvey embeds legal intelligence directly within Microsoft 365 (including Word) as of June 2026, in addition to its broader ecosystem integrations.
Can Spellbook analyze entire documents without token limits?
Yes, Spellbook analyzes contracts holistically without token limits, a key feature for large documents.
Which tool has mobile access?
Harvey offers Harvey Mobile (web-based mobile access). Spellbook does not have a dedicated mobile offering.
Are there free trials available?
Spellbook offers a 7-day free trial. Harvey does not advertise a free trial; pricing requires contacting sales.
Which tool is better for multi-document workflows?
Harvey's Vault allows bulk document analysis, and Agents can automate end-to-end tasks across documents. Spellbook's Associate is a multi-document AI agent, but overall Harvey is more suited for large-scale multi-document work.
Does Spellbook support document management systems beyond iManage?
Currently, Spellbook only integrates with iManage, while Harvey supports iManage, NetDocuments, SharePoint, Google Drive, and others.
Which AI model powers each tool?
Harvey uses its proprietary Fable 5 model (June 2026). Spellbook is powered by GPT-4.
Can these tools be used for litigation?
Harvey is better suited for litigation with features like Vault, Knowledge, and Agents for discovery and brief drafting. Spellbook is primarily transactional, though its review features could assist in litigation document review.
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Last reviewed: May 12, 2026