Relativity vs Kira Systems
AI Legal Tools pricing comparison · 2026
Relativity pricing ranges from $500–$25000/month, while Kira Systems ranges from $500–$5000/month. Kira Systems is typically 60% more affordable, though your actual cost depends on tier and team size.
Relativity
Relativity is the industry-leading eDiscovery and legal analytics platform used by law fir
verified 27d ago
$800
$1.1M
Kira Systems
Kira Systems is an AI-powered contract review and analysis platform built for law firms, f
verified 24d ago
$800
$1.1M
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
Enterprise
$1.1M/yr
year 1 license · $3.5K/seat
What buyers actually pay
median, annual
Vendr deal-flow data. The real benchmark, not list price.
Median annual
$800/yr
Vendr · n=61
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
7 sourced facts
4 hidden-cost · 1 contract · Vendr median · 1 review platform
Last verified
3w ago
Confidence
High confidence
Sources
2 sourced facts
1 hidden-cost · 1 review platform
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
Relativity and Kira Systems both operate in the ai legal tools category. This page compares their list pricing.
Plan-by-Plan Pricing
| Plan | Relativity | Kira Systems |
|---|---|---|
| RelativityOne Pay As You Go | Free | $500 /month |
| RelativityOne Flex Commit (1-Year) | Free | $3.5K /month |
| RelativityOne Flex Commit (3-Year) | Free | Free |
Cost at Scale
Total cost of ownership — licenses, implementation, and hidden costs included.
Relativity
6 scenarios$1,250
Boutique Litigation Firm (50GB active data)
$2,500/month for data hosting (50GB x $25-$50/GB). Add $1,750 for initial processing (50GB x $35/GB, one-time per matter). No per-user fees. Total annual cost for steady-state hosting: $15,000-$30,000 plus per-matter processing charges.
$7,500
Mid-Size Corporate Legal Department (500GB, Flex Commit)
$12,500/month ($90,000-$150,000/year) for committed data hosting at discounted rates. Early case assessment data at 33% rate saves $20,000-$40,000/year. Processing costs: $17,500 per 500GB collection (one-time per matter). Total first-year cost: $107,500-$207,500 depending on matter volume.
$50,000
Global Law Firm (5TB, 3-Year Flex Commit)
$100,000/month ($600,000-$1,200,000/year) for committed high-volume hosting with deepest discounts. Cold storage for archived matters at 25% rate provides significant savings. Processing costs: $175,000 per 5TB collection. Total annual cost: $775,000-$1,375,000 including estimated processing, plus potential third-party service provider markups of 20-50%.
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.