CoCounsel by Thomson Reuters vs Luminance
AI Legal Tools pricing comparison · 2026
CoCounsel by Thomson Reuters pricing ranges from $50–$500/user/month, while Luminance ranges from $10–$100/user/month. These products use different pricing models ( vs Per-seat subscription), so a direct price comparison isn't meaningful — costs depend on usage volume and mix.
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CoCounsel by Thomson Reuters and Luminance both operate in the ai legal tools category. This page compares their list pricing.
Plan-by-Plan Pricing
| Plan | CoCounsel by Thomson Reuters | Luminance |
|---|---|---|
| On Demand | $75 /per task | Free |
| Basic Research | $220 /user/month | Free |
| CoCounsel Core | $225 /user/month | Free |
| 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.
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.
Luminance
3 scenarios$3,000
Mid-Size Corporate Legal Department (20 users)
$6,000/month ($36,000-$72,000/year) based on estimated $50/user/month mid-range pricing. Add $5,000-$10,000 for initial setup, integration with SharePoint/iManage, and staff training. Total first-year cost: $41,000-$82,000.
$8,000
Large Enterprise with AI Agents (100 users)
$15,000/month ($96,000-$180,000/year) for base platform. Add 30-50% surcharge ($30,000-$90,000/year) for AI agent capabilities, plus $15,000-$25,000 for implementation and custom integrations. Total first-year cost: $141,000-$295,000.
$5,000
Global Law Firm (50 lawyers, on-premise)
$10,000/month ($60,000-$120,000/year) for licensing. Add $20,000-$40,000 for on-premise deployment and infrastructure setup (one-time), plus $10,000-$20,000/year for dedicated support and SLA. Total first-year cost: $90,000-$180,000.