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Head to head · 2026

Kairos vs Sumsub

Pricing, free plans, ratings, features, pros and cons, side by side. Where one comes out ahead, we mark it.

Kairos

AI identity verification API: liveness detection, face matching, age estimation and ID document checks

3.7Free

Visit Kairos (opens Kairos in a new tab)

Sumsub

Summy AI Copilot turns a regulatory document or plain-language description into launch-ready verification settings - plus…

3.8Not listed

Visit Sumsub (opens Sumsub in a new tab)

Who comes out ahead

Based only on the facts in our directory. The right pick still depends on the job you need done.

  • Lower starting price

    Not comparable

    Not comparable: Kairos does not list a price

  • Free plan

    Kairos

    Only Kairos has one

  • Higher rating

    Sumsub

    3.7 against 3.8

  • Same job?

    Yes

    Both are Security & Compliance AI tools

Side by side

Compared onKairosSumsub
Our rating3.73.8Better
Starts atFreeNot listed
Free planYesBetterNo
CategorySecurity & Compliance AISecurity & Compliance AI
PlansFreeSee pricing
Key features
  • AI face liveness detection (anti-spoofing)
  • Biometric face matching between ID and live selfie
  • Age estimation from photographs
  • Document authentication across 4,000+ ID types
  • Fraud detection and authentication scoring
  • Summy AI Copilot for natural-language verification configuration
  • AI Data Discovery - trend and anomaly surfacing across workflows
  • Liveness detection and deepfake detection
  • AI-agent-friendly setup (Cursor, Claude Code, Copilot integrations)
  • AML screening, video ID, and device intelligence
Pros
  • Liveness detection blocks the most common simple spoofing attempts
  • 100 free API calls to test before committing to a paid plan
  • Broad ID-document coverage (4,000+ types) supports global verification
  • Converts regulatory documents directly into working verification settings
  • Deepfake detection addresses a real, growing identity-fraud threat
  • Reported 272% 3-year ROI from an independent Forrester study
Cons
  • Detailed pricing tiers require visiting a separate page
  • A B2B identity-verification API, not a consumer-facing tool
  • Accuracy for edge cases (unusual lighting, damaged IDs) needs your own testing
  • No published pricing - requires booking a demo
  • Best suited to teams with actual compliance/regulatory requirements to configure
  • AI-agent setup integrations assume an existing Cursor/Claude Code/Copilot workflow
CompanyKairos AR, Inc., founded 2012Sumsub

Prices come from each vendor's pricing page, last checked 20260824. Check the vendor before you buy.

FAQ

Questions people ask

Is Kairos better than Sumsub?

In our reviews Kairos scores 3.7 and Sumsub scores 3.8. The better pick depends on the job. Kairos: AI identity verification API: liveness detection, face matching, age estimation and ID document checks. Sumsub: Summy AI Copilot turns a regulatory document or plain-language description into launch-ready verification settings - plus deepfake detection and AI-agent-friendly setup.

Which is cheaper, Kairos or Sumsub?

Kairos: free. Sumsub: see pricing.

Do Kairos and Sumsub have free plans?

Only Kairos has a free plan.

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