Kira Systems vs CoCounsel by Thomson Reuters
AI Legal Tools pricing comparison · 2026
Kira Systems pricing ranges from $500–$5000/month, while CoCounsel by Thomson Reuters ranges from $50–$500/user/month. These products use different pricing models (Per-seat subscription vs ), so a direct price comparison isn't meaningful — costs depend on usage volume and mix.
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Kira Systems and CoCounsel by Thomson Reuters both operate in the ai legal tools category. This page compares their list pricing.
Plan-by-Plan Pricing
| Plan | Kira Systems | CoCounsel by Thomson Reuters |
|---|---|---|
| Small Business | $500 /month | $75 /per task |
| Enterprise | $3.5K /month | $220 /user/month |
| Global Enterprise | Free | $225 /user/month |
| All Access | — | $500 /user/month |
| Westlaw Precision with CoCounsel | — | $428 /user/month |
Cost at Scale
Total cost of ownership — licenses, implementation, and hidden costs included.
Kira Systems
3 scenarios$500/month ($5,000/year with annual billing)
Small Law Firm Due Diligence (5 users)
Add $2,000-$4,000 for initial implementation and training (one-time). Total first-year cost: $7,000-$9,000.
$3,500/month ($35,000/year with annual billing)
Mid-Size Corporate Legal Team (50 users)
Add $10,000-$20,000 for enterprise implementation, data migration from SharePoint, and custom model training (one-time). Ongoing training: $5,000/year. Total first-year cost: $50,000-$60,000.
$15,000
Global Financial Institution (500 users, on-premise)
$25,000/month ($180,000-$300,000/year) for custom licensing. Add $30,000-$50,000 for on-premise infrastructure and deployment (one-time), $20,000-$40,000 for custom model development (one-time), and $15,000-$50,000/year for infrastructure maintenance. Total first-year cost: $245,000-$440,000.
CoCounsel by Thomson Reuters
3 scenarios$225/month ($2,700/year)
Solo Practitioner with CoCounsel Core
for CoCounsel Core. No seat minimums, no implementation fees. Cancel anytime on monthly billing.
$2,140/month ($25,680/year)
5-Lawyer Small Firm with Westlaw Integration
for 5 seats (5 x $428). Pricing may vary based on jurisdictions needed and contract negotiations with Thomson Reuters. Includes full Westlaw access and CoCounsel AI for all lawyers.
$7,500/month ($90,000/year)
15-Lawyer Mid-Size Firm with CoCounsel All Access
for 15 seats (15 x $500). Volume discounts may be available for 10+ users. Includes unlimited AI usage, full case law access, and CARA AI search.