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Spellbook is a popular AI contract review tool focused on drafting and redlining inside Microsoft Word. AtlasAI is a full-spectrum legal AI platform deployed on your infrastructure — covering contract review, legal research, document analysis, enterprise search, and more. Here’s how they compare.
See AtlasAI in Action| Feature | AtlasAI | Spellbook |
|---|---|---|
| Scope | Full legal AI platform — chat, research, drafting, review, search, knowledge graphs, agent workflows | Contract review and drafting focused |
| Deployment | Private on-premise deployment inside your Azure tenant | Cloud-hosted SaaS |
| Data Privacy | Zero data exposure. Full attorney-client privilege preserved. | Data processed on external cloud servers |
| Contract Review | AI playbooks, clause extraction, risk assessment, bulk document comparison | Redlines, risk detection, benchmarks against market standards |
| Legal Research | 100+ jurisdictions with agent-driven research workflows | Not available |
| Document Analysis | Upload any document type — contracts, pleadings, agreements — get structured analysis | Contract-focused only |
| Enterprise Search | Federated search across DMS, databases, and structured data | Not available |
| Knowledge Graph | Structured intelligence connecting documents, entities, and matters | Not available |
| Word Integration | Full AI sidebar with drafting, redlining, and playbook enforcement | Native Word add-in with drafting and review |
| Pricing Model | Enterprise subscription. Unlimited users. | Per-seat pricing with free trial |
Why Firms Choose AtlasAI
AtlasAI handles the full spectrum of legal work — research, analysis, drafting, search, and automation — not just contracts.
Deploy inside your Azure tenant. No data leaves your environment. Your security team controls the perimeter.
Every answer is grounded in your firm’s own documents, precedent, and knowledge — not generic training data.
Analyze thousands of documents simultaneously. Unlimited users. Built for AmLaw 100 complexity.
Schedule a demo tailored to your firm’s practice areas and workflows.
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