Oso vs Duo Security: Which Should You Choose in 2026?
Choosing between Oso and Duo Security comes down to understanding what each tool does best. This comparison breaks down the key differences so you can make an informed decision based on your specific needs, not marketing claims.
By Toolradar Team · Last updated February 28, 2026 · Methodology
Short on time? Here's the quick answer
We've tested both tools. Here's who should pick what:
Oso
Secure and authorize AI agents and applications with fine-grained controls and audit trails.
Best for you if:
- • You need identity & access features specifically
- • Provides a unified authorization layer for AI agents, applications, and humans.
- • Automatically enforces least privilege, monitoring agent actions and detecting anomalous behavior.
Duo Security
Multi-factor authentication for enterprises
Best for you if:
- • You want the higher-rated option (8.3/10 vs 0.0/10)
- • You need password managers features specifically
- • Duo Security is a multi-factor authentication platform for securing access to applications
- • It provides 2FA, device trust, and single sign-on with easy deployment across any app
| At a Glance |  Oso |  Duo Security |
|---|---|---|
Price | Free + Paid | Free + Paid |
Best For | Identity & Access | Password Managers |
Rating | —/100 | 83/100 |
| Feature | Oso | Duo Security |
|---|---|---|
| Pricing Model | Freemium | Freemium |
| Editorial Score | — | 83 |
| Community Rating | No ratings yet | No ratings yet |
| Total Reviews | 0 | 0 |
| Community Upvotes | 0 | 0 |
| Categories | Identity & AccessSecurity Monitoring | Password ManagersIdentity & Access |
How Oso and Duo Security Compare
Oso
Secure and authorize AI agents and applications with fine-grained controls and audit trails.
Free tier available
Duo Security
Multi-factor authentication for enterprises
Free tier available · 83/100 score
Oso is a identity & access tool. Duo Security is in password managers.
Who Should Use What?
On a budget?
Both are freemium. Compare plans on their websites.
Go with: Oso
Want the highest-rated option?
Duo Security scores 83/100. Oso is unrated.
Go with: Duo Security
Value user reviews?
Neither has user reviews yet.
Go with: Duo Security
3 Questions to Help You Decide
What's your budget?
Both are freemium. Pricing won't help you decide here.
What's your use case?
Oso is a identity & access tool. Duo Security is in password managers. Pick the category that matches your needs.
How important are ratings?
Not all tools have been rated yet.
Key Takeaways
Duo Security
- Higher score: 83/100 vs unrated
- Free tier available
- Our pick for this comparison
Oso
- Better fit for identity & access
The Bottom Line
Duo Security (83/100) is our pick.
Frequently Asked Questions
Is Oso or Duo Security better?
Duo Security scores 83/100 in our evaluation. Both are freemium.
What are Oso and Duo Security used for?
Oso: Secure and authorize AI agents and applications with fine-grained controls and audit trails.. Duo Security: Multi-factor authentication for enterprises.
What does Oso cost vs Duo Security?
Oso is freemium (free tier + paid plans). Duo Security is freemium (free tier + paid plans). Visit their websites for detailed pricing.