CoCounsel Legal vs Spellbook
Two Legal AI tools, side by side. Both are verified against their own live sites. Here is what each does well and who it is for, so you can choose what fits.
CoCounsel Legal
legal.thomsonreuters.com
AI legal assistant for research, document analysis, and drafting
Best forLaw firms, corporate legal departments, and government agencies that want research and drafting in one assistant.
What it doesCoCounsel Legal combines legal research, document analysis, and drafting in one workflow using generative and agentic AI alongside authoritative legal content. It can generate jurisdiction-aware drafts and review large document sets, and integrates with Westlaw, Practical Law, and Microsoft 365.
Capabilities
Visit CoCounsel Legal →- Multistep deep legal research
- Tabular review across many documents
- Jurisdiction-aware drafting from precedents
- Westlaw and Microsoft 365 integration
Spellbook
spellbook.com
AI contract review and drafting inside Microsoft Word
Best forIn-house legal teams and law firms that handle commercial contracts and want AI inside their existing Word workflow.
What it doesSpellbook is an AI legal assistant that works directly inside Microsoft Word for commercial contract work. It can review and redline contracts, draft clauses and documents, answer contract questions with citations, and benchmark agreements against market standards.
Capabilities
Visit Spellbook →- Review and redline contracts to identify risks
- Draft clauses and documents from scratch or precedents
- Answer contract questions with citations
- Compare contracts against market standards
- Works directly in Microsoft Word
How to choose
Choose CoCounsel Legal if you are law firms, corporate legal departments, and government agencies that want research and drafting in one assistant. Choose Spellbook if you are in-house legal teams and law firms that handle commercial contracts and want ai inside their existing word workflow. Both sit in Legal; the right pick depends on your exact workflow and budget.
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