Duo Security vs Opal Security: Pricing and Ratings Compared (2026)
Entry prices and free plans as read on each vendor's pricing page, and user ratings as published on review sites, for Duo Security and Opal Security side by side. This page compares data; it is not a hands-on review.
On the data: On the data below, Duo Security leads on a free plan. We do not name an overall winner for this pair.
Short on time? Here's the quick answer
Based on published vendor pricing and features and on public review data, here's who should pick what:
Duo Security
Multi-factor authentication for enterprises
Best for you if:
- • You want a free tier before you commit
Opal Security
The identity governance control plane for AI agents, humans, and service accounts at hypergrowth enterprises.
Best for you if:
- • You want centralized control over diverse identity types (humans, AI agents, service accounts)
| At a Glance | Duo Security | Opal Security |
|---|---|---|
Starts at | Free plan, paid from $3/user/mo, billed monthly Essentials plan | Not published |
Category | Identity & Access Security | Identity & Access Security |
Rating | 4.6/5 Capterra 4.7 · G2 4.5 1,051 reviews | 4.6/5 G2 4.6 30 reviews |
Free plan | Yes | No |
Choose Duo Security or Opal Security?
Choose Duo Security if
- You want a free tier before you commit
- You want enterprise MFA leader
- You want good security
Choose Opal Security if
- You want centralized control over diverse identity types (humans, AI agents, service accounts)
- You want proactive risk identification and mitigation through detailed access analytics
In-Depth Analysis
Duo Security
Multi-factor authentication for enterprises
Duo Security's pricing is fair, offering a generous free tier for up to 10 users.
Strengths
- Pro: Enterprise MFA leader
- Pro: Good security
- Pro: Easy setup
- Pro: Many integrations
- Pro: Cisco backing
Weaknesses
- Con: Expensive
- Con: Cisco pricing complexity
- Con: Per-user costs
- Con: UI dated
- Con: Better free alternatives
Key features
Opal Security
The identity governance control plane for AI agents, humans, and service accounts at hypergrowth enterprises.
Strengths
- Pro: Centralized control over diverse identity types (humans, AI agents, service accounts).
- Pro: Proactive risk identification and mitigation through detailed access analytics.
- Pro: Automated and streamlined access request and review processes.
- Pro: Extensive integration capabilities with various enterprise applications and services.
- Pro: Supports least-privilege access principles and compliance requirements.
Weaknesses
- Con: No explicit pricing information available on the website, requiring a demo request.
- Con: Primarily targets hypergrowth enterprises, potentially less suitable for smaller businesses.
- Con: Requires integration with existing systems, which might involve initial setup effort.
Key features
Plans and prices: Duo Security vs Opal Security
| Tool | Plans and prices | Source |
|---|---|---|
| Duo Security |
| duo.com/pricing read Oct 31, 2026 |
| Opal Security | No plan prices on file | opal.dev |
Prices as read on each vendor's own pricing page on the date shown. Plans are listed per tool and are not matched against the other tool's plans: a plan name or price in one column says nothing about the same row in the other. Details on Duo Security pricing and Opal Security pricing.
Key Takeaways
Duo Security
- Has a free plan
Opal Security
- Choose if you want the identity governance control plane for AI agents, humans, and service accounts at hypergrowth enterprises
What the data shows
On the data below, Duo Security leads on a free plan. We do not name an overall winner for this pair.
- User ratings are within 0.2 points (4.6/5 from 1,051 reviews for Duo Security, 4.6/5 from 30 reviews for Opal Security).
- Duo Security starts at $3/user/mo, billed monthly; Opal Security has no public paid plan price on file.
- Only Duo Security has a free plan.
Criteria: user rating (only above 20 reviews on both sides, gap of 0.2 or more), entry price (only on the same billing basis), free plan. How we rate
Frequently Asked Questions
How do Duo Security and Opal Security compare in 2026?
On the data below, Duo Security leads on a free plan. We do not name an overall winner for this pair. User ratings are within 0.2 points (4.6/5 from 1,051 reviews for Duo Security, 4.6/5 from 30 reviews for Opal Security). Duo Security starts at $3/user/mo, billed monthly; Opal Security has no public paid plan price on file. Only Duo Security has a free plan.
What are Duo Security and Opal Security used for?
Duo Security: Multi-factor authentication for enterprises. Opal Security: The identity governance control plane for AI agents, humans, and service accounts at hypergrowth enterprises.
What does Duo Security cost vs Opal Security?
Duo Security's cheapest paid plan is Essentials at $3/user/mo, billed monthly; it also has a free plan. Opal Security has no public paid-plan price on file. Prices read on the vendors' pricing pages, latest check Oct 31, 2026.
What's the main difference between Duo Security and Opal Security?
Duo Security's main strength: enterprise MFA leader. Opal Security's main strength: centralized control over diverse identity types (humans, AI agents, service accounts).