Harvey AI vs Casetext CoCounsel (Thomson Reuters)
AI Legal Tools pricing comparison · 2026
Harvey AI uses custom pricing, while Casetext CoCounsel (Thomson Reuters) ranges from $225–$900/user/month. Harvey AI is typically 100% more affordable, though your actual cost depends on tier and team size.
VS
Harvey AI and Casetext CoCounsel (Thomson Reuters) both operate in the ai legal tools category. This page compares their list pricing.
Plan-by-Plan Pricing
| Plan | Harvey AI | Casetext CoCounsel (Thomson Reuters) |
|---|---|---|
| Enterprise | Custom | $225 /user/month |
| Small Firm | — | $500 /user/month |
| Enterprise | — | $900 |
Cost at Scale
Total cost of ownership — licenses, implementation, and hidden costs included.
Harvey AI
3 scenarios$15,000/month ($180,000/year)
50-Lawyer AmLaw 200 Firm
for Harvey licenses (50 x $300). Add $20,000-$30,000 for implementation and training (one-time), plus $20,000-$30,000/year for LexisNexis integration ($400-$600 per lawyer). Total first-year cost: $220,000-$240,000.
$80,000/month ($960,000/year)
200-Lawyer Global Law Firm
for Harvey licenses (200 x $400). Add $50,000-$100,000 for implementation and custom integrations (one-time), plus $80,000-$120,000/year for LexisNexis ($400-$600 per lawyer). Total first-year cost: $1.09M-$1.18M.
$250,000
500-Lawyer Elite Firm with Custom Models
+/month ($3M+/year) for Harvey licenses (500 x $500+). Add $100,000-$200,000 for custom model training and integrations (one-time), plus $200,000-$300,000/year for LexisNexis integration. Total first-year cost: $3.3M-$3.5M+.
Casetext CoCounsel (Thomson Reuters)
3 scenarios$2,700/year ($225/month)
Solo Attorney — Annual Subscription
$6,000/year ($500/month)
Small Firm — Annual Subscription + Supplemental Research
for CoCounsel + estimated $900–$1,500/year per attorney for supplemental research
Custom pricing; comparable enterprise Westlaw seats reported at ~$900/month per seat
Enterprise — Custom-Quoted