CoCounsel Legal vs Definely
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
Definely
www.definely.com
Structured review tools for lawyers working on complex contracts
Best forLaw firm and in-house lawyers handling complex contract review
What it doesDefinely is AI-powered software that helps lawyers read and review intricate contracts inside Microsoft Word without losing their place. It surfaces related definitions, provisions and cross-references, and flags the cascading effects of edits across clauses and schedules.
Capabilities
Visit Definely →- Navigate definitions, provisions and cross-references in-document while reviewing
- Audit documents and identify errors with the Proof feature
- Highlight cascading effects of an edit across clauses, definitions and schedules
- Secure precedent indexing and searching via Vault
- Integrations with Microsoft Word, iManage, NetDocuments and SharePoint
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 Definely if you are law firm and in-house lawyers handling complex contract review. Both sit in Legal; the right pick depends on your exact workflow and budget.
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