Luminance vs Casetext CoCounsel (Thomson Reuters) Pricing (2026)
Compare / Luminance vs Casetext CoCounsel (Thomson Reuters)
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Team size
25 seats

Luminance vs Casetext CoCounsel (Thomson Reuters)

AI Legal Tools pricing comparison · 2026

Luminance pricing ranges from $10–$100/user/month, while Casetext CoCounsel (Thomson Reuters) ranges from $225–$900/user/month. Luminance is typically 90% more affordable, though your actual cost depends on tier and team size.

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2 products · AI Legal Tools
Side-by-side · live
Luminance
Luminance is an AI-powered contract intelligence platform built by mathematicians from Cam
verified 27d ago
$999 $150K
View pricing →
Casetext CoCounsel (Thomson Reuters)
Casetext CoCounsel, now owned by Thomson Reuters, starts at $225/month for the Solo Attorn
verified 2d ago
$999 $150K
View pricing →
Estimated license cost
at 25 seats
List price × seats. Click a tier below to lock it.
Pricing model unknown
Pricing model unknown
no public list price found
Small Firm
$150K/yr
year 1 license · $500/seat
What buyers actually pay
median, annual
Vendr deal-flow data. The real benchmark, not list price.
Median annual
$999/yr
Vendr · n=60
No Vendr data
—
Not in Vendr's deal flow
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 1 sourced fact
Vendr median
Last verified 3w ago
Confidence High confidence
Sources 9 sourced facts
7 hidden-cost · 2 contract
Last verified 2d ago
Confidence Medium 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 · 03

Hidden costs

Each cost is severity-ranked, with the dollar range quoted from its source (Vendr, Reddit, TrustRadius, BBB, official docs) — never our estimate.

Beyond the sticker
Severity-ranked, sourced
No hidden costs documented
3 documented
  • Forced Migration After Thomson Reuters Acquisition
    50-400% of original license costs
    3 sources
  • Supplemental Legal Research Subscription Still Needed
    $75-$600/user/month
    2 sources
  • Pricing Uncertainty Post-Acquisition
    5-50% of license costs
    2 sources
REF · 05

What users say

Aggregated, with sample sizes. We use whichever review platform has data.

User reviews
TrustRadius · Trustpilot · G2
No public ratings yet
Best for
Mid-size legal teams and corporate legal departments needing AI contract review and risk detection across moderate contract volumes
No public ratings yet
Best for
Solo practitioners
Watch out
Standalone Casetext platform discontinued after Thomson Reuters acquisition, forcing expensive migration
Decide
Get a quote from each vendor
Each link opens the vendor's pricing page in a new tab.
Visit Luminance pricing
Discount programs →
Visit Casetext pricing
Discount programs →
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.
AI Legal Tools

Luminance

$10–$100
/user/month
3 plans · Free tier
Full pricing breakdown →
VS
AI Legal Tools

Casetext CoCounsel (Thomson Reuters)

$225–$900
/user/month
3 plans
Full pricing breakdown →

Luminance and Casetext CoCounsel (Thomson Reuters) both operate in the ai legal tools category. This page compares their list pricing.

Plan-by-Plan Pricing

Plan Luminance Casetext CoCounsel (Thomson Reuters)
Professional Free $225 /user/month
Enterprise Free $500 /user/month
Enterprise Plus (AI Agents) Free $900

Cost at Scale

Total cost of ownership — licenses, implementation, and hidden costs included.

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.

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

Continue researching

Luminance

Casetext CoCounsel (Thomson Reuters)

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