Cisco DuoSecurity-first IAM that attackers hate and users love.
vs
ClerkAuthentication and user management for modern web apps
Comparison · Identity & Access Management · weekly run Nov 3
Cisco Duo vs Clerk
Which one do AI engines recommend, and how do they differ on price, fit and features?
The short answer
Cisco Duo is the stronger AI pick in Identity & Access Management: it has a visibility score of 16.5 versus 3.1 for Clerk.
Choose Cisco Duo if…
- You want the brand AI engines rank higher (16.5 vs 3.1)
- You want a lower entry price ($3 vs $25)
- You need FedRAMP High (Duo Federal) or FedRAMP Moderate (Duo Federal) or GovRAMP or TX-RAMP or FIPS 140-3 coverage
- Per seat pricing suits your budget better than usage-based
Choose Clerk if…
- AI answers describe it more positively (56% vs 50% positive)
- You need SOC 2 Type 2 or HIPAA or GDPR (EU-U.S. Data Privacy Framework) or CCPA coverage
- Usage-based pricing suits your budget better than per seat
- Free user management up to 1,000,000 MAUs
AI visibility side by side
Latest weekly run · Nov 3
| Metric | Cisco Duo | Clerk |
|---|---|---|
| Visibility score | 16.5% | 3.1% |
| Change vs last week | down−0.6% | up+1.6% |
| Rank in Identity & Access Management | #6 | #22 |
| Share of voice | 4.2% | 1.3% |
| Mentions this run | 14 | 4 |
| Positive in AI answers | 50% | 56% |
The stronger value in each row is marked with a ✓.
Visibility score trend
Weekly runs over the last 60 days
Cisco Duo +0.10000000000000142pp · Clerk +0.6000000000000001pp over 1 weekly runs.
Engine by engine
Cisco Duo leads on 2 of 3 engines
ChatGPT
AI Mode
Perplexity
Cisco DuoClerk
Head to head in AI answers
0 engine answers name both brands
0Cisco Duo ranked higher
0Clerk ranked higher
Features, pricing & fit
| Dimension | Cisco Duo | Clerk |
|---|---|---|
| Pricing model | Per seat | Usage-based |
| Entry price | Free; paid from $3 per seat / mo | Free; paid from $25 / mo |
| Free plan | Yes | Yes |
| Deployment | Cloud | Cloud (SaaS) |
| Integrations | 500+ | — |
| Compliance | FedRAMP High (Duo Federal), FedRAMP Moderate (Duo Federal), GovRAMP, TX-RAMP, FIPS 140-3 | SOC 2 Type 2, HIPAA, GDPR (EU-U.S. Data Privacy Framework), CCPA |
| Support | Technical documentation, Knowledge base, Community | Community Discord, Email support, Priority support, Dedicated technical account manager |
| Founded | 2010 | 2019 |
| Headquarters | Ann Arbor, MI, United States | San Francisco, CA, United States |
| Employees | — | 51–200 |
| Funding | Venture Round | Series C · $101M raised |
| Best for | Organizations from small businesses to enterprises and government that want phishing-resistant MFA and simple IAM. | Developers building React and Next.js apps who want prebuilt auth and user management, including B2B SaaS needing organizations and SSO |
Plans side by side
Cisco Duo
Duo Free$0user/month
Duo Essentials$3user/month
Duo Advantage$6user/month
Duo Premier$9user/month
Clerk
Hobby$0month
Pro$25month ($20/mo billed annually)
Business$300month ($250/mo billed annually)
EnterpriseCustomcustom, billed annually
Pros and cons
Themes from the AI answers that mention each brand
Cisco Duo
- Low-friction, reliable MFA
- Zero Trust device trust and endpoint visibility
- Phishing-resistant MFA, SSO, and device trust
- Free tier for up to 10 users
- Highest PeerSpot rating among access-management products
Clerk
- Free user management up to 1,000,000 MAUs
- Clear, modular per-connection pricing
- Rapid development and developer experience
- Expanded support for B2B organizations and multi-tenancy
- Good fit for rapid MVP builds
Data collected ·ChatGPT, Perplexity, Google AI Mode·coverage 98.8%·next run
Cite as: SlateIndex, “Cisco Duo vs Clerk”, https://slateindex.ai/compare/cisco-duo-vs-clerk, data of Nov 3, 2026. Licence: CC BY 4.0.