FusionAuth vs Duo Security: Identity & Access Management Comparison (2026)
An independent side-by-side comparison of FusionAuth and Duo Security for identity & access management buyers — pricing, features, integrations, and how often each is cited by major AI engines.
AI Citation Scorecard
How often each is cited by major AI engines when buyers ask identity & access management questions. Last 90 days across ChatGPT, Perplexity, Gemini, Claude, and Copilot.
Tied overall — both at 0% cited across 60 probes.
ChatGPT
FusionAuth
0 / 6 probes
0%
InvisibleDuo Security
0 / 6 probes
0%
InvisiblePerplexity
FusionAuth
0 / 6 probes
0%
InvisibleDuo Security
0 / 6 probes
0%
InvisibleGemini
FusionAuth
0 / 6 probes
0%
InvisibleDuo Security
0 / 6 probes
0%
InvisibleClaude
FusionAuth
0 / 6 probes
0%
InvisibleDuo Security
0 / 6 probes
0%
InvisibleCopilot
FusionAuth
0 / 6 probes
0%
InvisibleDuo Security
0 / 6 probes
0%
InvisibleScale:NoneLowFairStrongExcellent
Probes run hourly; each (engine × query) combo retests every ~3 days.
Pricing
Key Features
FusionAuth
- ✓Core authentication features
- ✓Community support
- ✓Premium authentication features
- ✓Custom OAuth scopes
- ✓Advanced connectivity, MFA
- ✓Email support
- ✓Advanced threat detection
- ✓24/7 support
Duo Security
- ✓Strong MFA
- ✓Seamless integrations
- ✓Single sign-on
- ✓Unlimited applications
- ✓Risk-Based Authentication
- ✓Complete passwordless authentication
- ✓Session theft protection
- ✓Trusted Endpoints
When to choose FusionAuth
Choose FusionAuth if your team prioritizes its strengths over Duo Security's. Full guidance populates as FusionAuth's feature data is indexed.
When to choose Duo Security
Choose Duo Security if your team prioritizes its strengths over FusionAuth's. Full guidance populates as Duo Security's feature data is indexed.