Cerbos vs Oso: 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 Cerbos and Oso side by side. This page compares data; it is not a hands-on review.
On the data: On the data below, Cerbos leads on lower entry price. 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:
Cerbos
Fine-grained, contextual, and continuous authorization for enterprise software and AI systems.
Best for you if:
- • You want significantly accelerates time to market for new roles and permissions
Oso
Secure and authorize AI agents and applications with fine-grained controls and audit trails.
Best for you if:
- • You want prevents sensitive data leaks and unauthorized infrastructure modifications by AI agents
| At a Glance | Cerbos | Oso |
|---|---|---|
Starts at | Free plan, paid from $25/mo, billed monthly Development plan | Free plan, paid from $500/mo, billed monthly Startup plan |
Category | Security Identity & Access | Identity & Access Security |
Rating | 4.9/5 G2 4.9 · Capterra 5.0 6 reviews | n/a |
Free plan | Yes | Yes |
Watch out for | Overage fees for monthly active principals | n/a |
Choose Cerbos or Oso?
Choose Cerbos if
- You want significantly accelerates time to market for new roles and permissions
- You want reduces AI security risks by preventing over-permissioning and shadow access
- Budget matters ($25/mo, billed monthly vs $500/mo, billed monthly)
- You work in security, not identity & access
Choose Oso if
- You want prevents sensitive data leaks and unauthorized infrastructure modifications by AI agents
- You want accelerates development of AI applications by providing a proven authorization foundation
- You work in identity & access, not security
In-Depth Analysis
Cerbos
Fine-grained, contextual, and continuous authorization for enterprise software and AI systems.
Cerbos offers a generous free tier and a Proof of Concept plan, making it highly accessible for evaluation and small-scale use.
Watch out
Overage fees for monthly active principals
Strengths
- Pro: Significantly accelerates time to market for new roles and permissions.
- Pro: Reduces AI security risks by preventing over-permissioning and shadow access.
- Pro: Offers substantial cost reduction by eliminating custom authorization infrastructure.
- Pro: Provides comprehensive audit logs for compliance and visibility into security posture.
- Pro: Supports a wide range of programming languages and deployment environments.
Weaknesses
- Con: Pricing for higher tiers can be significant for large enterprises.
- Con: Requires integration into existing applications and infrastructure, which may involve initial setup effort.
Key features
Oso
Secure and authorize AI agents and applications with fine-grained controls and audit trails.
Oso's pricing is fair, offering a generous free Developer tier for basic usage.
Strengths
- Pro: Prevents sensitive data leaks and unauthorized infrastructure modifications by AI agents.
- Pro: Accelerates development of AI applications by providing a proven authorization foundation.
- Pro: Offers comprehensive auditing and logging for compliance and accountability.
- Pro: Enables proactive security with simulations and real-time anomalous behavior detection.
- Pro: Supports various authorization models (RBAC, ReBAC, ABAC) for flexible policy management.
Weaknesses
- Con: Requires integration into existing applications and agent workflows.
- Con: Pricing for higher tiers can be a significant investment for larger organizations.
Key features
Plans and prices: Cerbos vs Oso
| Tool | Plans and prices | Source |
|---|---|---|
| Cerbos |
| cerbos.dev/pricing read Oct 14, 2026 |
| Oso |
| osohq.com/pricing read Oct 15, 2026 |
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 Cerbos pricing and Oso pricing.
Key Takeaways
Cerbos
- Lower entry price: $25/mo, billed monthly vs $500/mo, billed monthly
Oso
- Choose if you want secure and authorize AI agents and applications with fine-grained controls and audit trails
What the data shows
On the data below, Cerbos leads on lower entry price. We do not name an overall winner for this pair.
- Only Cerbos has a published user rating (4.9/5 from 6 reviews); Oso has none we can show.
- Cerbos has the lower entry price: $25/mo, billed monthly (Development) against $500/mo, billed monthly (Startup) for Oso.
- Both have 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 Cerbos and Oso compare in 2026?
On the data below, Cerbos leads on lower entry price. We do not name an overall winner for this pair. Only Cerbos has a published user rating (4.9/5 from 6 reviews); Oso has none we can show. Cerbos has the lower entry price: $25/mo, billed monthly (Development) against $500/mo, billed monthly (Startup) for Oso. Both have a free plan.
What are Cerbos and Oso used for?
Cerbos: Fine-grained, contextual, and continuous authorization for enterprise software and AI systems. Oso: Secure and authorize AI agents and applications with fine-grained controls and audit trails.
What does Cerbos cost vs Oso?
Cerbos's cheapest paid plan is Development at $25/mo, billed monthly; it also has a free plan. Oso's cheapest paid plan is Startup at $500/mo, billed monthly; it also has a free plan. Prices read on the vendors' pricing pages, latest check Oct 15, 2026.
What's the main difference between Cerbos and Oso?
Cerbos's main strength: significantly accelerates time to market for new roles and permissions. Oso's main strength: prevents sensitive data leaks and unauthorized infrastructure modifications by AI agents.