CoCounsel score factors
Editorial quality82
Practical utility90
Trust & transparency85
Freshness88
Engagement quality0
Momentum50
Decision guide · Reviewed Sep 8, 2026 · AI Legal & Contracts, AI Legal Research
CoCounsel
76.7
Harvey
78.5Choose CoCounsel when you need law firms and enterprise legal departments requiring cited legal research, automated brief preparation, and high-volume document review grounded in Westlaw. Choose Harvey when you need large law firms and corporate legal departments that need governed AI workflows across research, drafting, and document review.
At a glance
The practical differences
| Decision factor | CoCounsel | Harvey |
|---|---|---|
| Best for | law firms and enterprise legal departments requiring cited legal research, automated brief preparation, and high-volume document review grounded in Westlaw | large law firms and corporate legal departments that need governed AI workflows across research, drafting, and document review |
| Not ideal for | non-legal general business users or teams seeking low-cost, off-the-shelf generative text tools without legal database integration | small practices or individuals without enterprise budgets |
| Pricing | Thomson Reuters does not publish fixed list prices on its public website. Pricing is provided via sales quotes tailored to organization size and chosen content libraries as of September 2026. Prospective buyers should contact sales to verify current terms. | Harvey is sold to firms and legal departments on enterprise contracts with no public pricing at the review date. Contact the vendor for details. |
| Key difference | Unlike generic language models, CoCounsel Legal reasons directly over authoritative Westlaw case law and Practical Law editorial resources, validating citations, surfacing KeyCite flags, and maintaining enterprise governance with SOC 2 and ISO 42001 compliance without training models on customer data. | A legal-specific enterprise platform with workflow depth and firm-level governance, adopted by many large law firms. |
| Overall rank | #118 | #58 |
| Review verdict | CoCounsel is best suited for law firms and in-house counsel who prioritize citation veracity, deep litigation analysis, and seamless integration with Westlaw and Practical Law resources. It is not designed for solo operators or businesses seeking a generic, self-serve writing assistant outside of legal practice. | A leading option for large firms and departments with the budget and governance requirements to match. Small practices should consider Word-native or general tools first. |
Harvey score factors
Editorial quality84
Practical utility84
Trust & transparency83
Freshness86
Engagement quality3
Momentum100
CoCounsel strengths
- Direct integration with proprietary Westlaw primary law and Practical Law editorial guidance
- Generates linked, verifiable citations and flags potentially hallucinated legal citations
- High-capacity tabular analysis capable of scanning up to 10,000 files across 100 questions
- Tight integration inside Microsoft Word, Outlook, Teams, and Claude via MCP
- Enterprise data protections backed by SOC 2 and ISO 42001 certifications with a zero model-training policy
Harvey strengths
- Legal-domain depth
- Enterprise governance
- Workflow templates
- Wide adoption among large firms
Frequently asked
CoCounsel vs Harvey
Should I choose CoCounsel or Harvey?+
Choose CoCounsel when you need law firms and enterprise legal departments requiring cited legal research, automated brief preparation, and high-volume document review grounded in Westlaw. Choose Harvey when you need large law firms and corporate legal departments that need governed AI workflows across research, drafting, and document review. ToolsRank scores CoCounsel 76.7 and Harvey 78.5; the gap reflects editorial quality, utility, trust, and freshness, not popularity or payment.
Is CoCounsel cheaper than Harvey?+
CoCounsel: Thomson Reuters does not publish fixed list prices on its public website. Pricing is provided via sales quotes tailored to organization size and chosen content libraries as of September 2026. Prospective buyers should contact sales to verify current terms. Harvey: Harvey is sold to firms and legal departments on enterprise contracts with no public pricing at the review date. Contact the vendor for details. Compare the plan you would actually use and verify current prices on each vendor's pricing page before purchasing.
Which is better for ai legal & contracts?+
Harvey currently scores higher for ai legal & contracts work. CoCounsel remains the stronger pick when your priority is law firms and enterprise legal departments requiring cited legal research, automated brief preparation, and high-volume document review grounded in Westlaw. Avoid Harvey if you are small practices or individuals without enterprise budgets.
Can I use CoCounsel and Harvey together?+
Yes. CoCounsel stands out for unlike generic language models, CoCounsel Legal reasons directly over authoritative Westlaw case law and Practical Law editorial resources, validating citations, surfacing KeyCite flags, and maintaining enterprise governance with SOC 2 and ISO 42001 compliance without training models on customer data. Harvey stands out for a legal-specific enterprise platform with workflow depth and firm-level governance, adopted by many large law firms. Pairing them makes sense when one workflow needs both strengths; otherwise pick the tool that matches your primary job.