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.
Kira Systems
Kira Systems is an AI-powered contract review and analysis platform built for law firms, f
verified 24d ago
$66K
$1.1M
CoCounsel by Thomson Reuters
CoCounsel by Thomson Reuters costs $75 per task to $500 per user per month as of March 202
verified 27d ago
$66K
$1.1M
Verdict · list-price math · year 1
CoCounsel
saves
$984K
vs
Kira
· 25 seats
Cheapest
$66K
Spread
94%
Estimated license cost
at 25 seats
List price × seats. Click a tier below to lock it.
Enterprise
$1.1M/yr
year 1 license · $3.5K/seat
Basic Research
$66K/yr
year 1 license · $220/seat
REF · 01
Sources & confidence
Every dollar amount and contract clause below traces back to a sourced fact. We don't manufacture composite scores.
Where this data comes from
Vendr · TrustRadius · Reddit · BBB · official docs
Sources
2 sourced facts
1 hidden-cost · 1 review platform
Last verified
3w ago
Confidence
High confidence
Sources
No structured sources
Last verified
3w ago
Confidence
High confidence
REF · 02
Plans at a glance
Every tier per product. Lock one to drive the cost row above and reveal a tier-specific outbound CTA.
Tier ladder
Click a tier to lock the cost row to it. Locking surfaces a tier-specific Visit CTA.
REF · 05
What users say
Aggregated, with sample sizes. We use whichever review platform has data.
User reviews
TrustRadius · Trustpilot · G2
Decide
Get a quote from each vendor
Each link opens the vendor's pricing page in a new tab.
License cost is computed from publicly listed plans (real math, list price × seats).
Median annual cost is from Vendr's deal flow when available — see source badges.
Hidden costs and contract terms each cite their own sources. We do not invent composite scores.
VS
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.