Solo.io Gloo vs Kong: Which is Better in 2026?
Choosing between Solo.io Gloo and Kong 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.
Bottom line: Kong is our overall pick for API tools workflows. Pick Solo.io Gloo if you need its specific feature set.
Short on time? Here's the quick answer
We've tested both tools. Here's who should pick what:
Solo.io Gloo
Reimagining infrastructure for cloud and AI with advanced API management and service mesh solutions.
Best for you if:
- • Omni-directional API management for all API traffic (inbound, service-to-service, outbound).
- • Enterprise-grade Istio and Ambient Mesh support for simplified service connectivity.
Kong
Route, secure, and observe APIs with a scalable platform
Best for you if:
- • You want to try before committing
- • Kong is an API gateway and platform for managing, securing, and monitoring APIs
- • It provides rate limiting, authentication, and traffic control for microservices
| At a Glance |  Solo.io Gloo |  Kong |
|---|---|---|
Starts at | Paid | Free tier + paid plansFree tier available |
Best For | API Tools | API Tools |
Rating | - | - |
Choose Solo.io Gloo or Kong?
Choose Solo.io Gloo if
Reimagining infrastructure for cloud and AI with advanced API management and service mesh solutions.
- Unifies API management across diverse environments and traffic types.
- Simplifies complex service mesh deployments with enterprise support for Istio and Ambient Mesh.
- Leverages open-source foundations (Envoy, kGateway) for flexibility and innovation.
Choose Kong if
Route, secure, and observe APIs with a scalable platform
- High performance
- Extensible plugins
- Open source
- You want a free tier before you commit
| Feature | Solo.io Gloo | Kong |
|---|---|---|
| Pricing Model | Paid | Freemium |
| User Rating | No ratings yet | ★4.4/5 70 reviews |
| Categories | API ToolsDevOps | API ToolsDevOps |
In-Depth Analysis
Solo.io Gloo
Reimagining infrastructure for cloud and AI with advanced API management and service mesh solutions.
Strengths
- +Unifies API management across diverse environments and traffic types.
- +Simplifies complex service mesh deployments with enterprise support for Istio and Ambient Mesh.
- +Leverages open-source foundations (Envoy, kGateway) for flexibility and innovation.
- +Enhances security with zero-trust principles applied to all API traffic.
- +Reduces operational overhead and improves developer experience in cloud-native settings.
Weaknesses
- -Requires expertise in cloud-native technologies like Kubernetes, Envoy, and Istio.
- -Enterprise-focused, which may be complex for smaller organizations or simpler use cases.
Key features
Kong
Route, secure, and observe APIs with a scalable platform
Strengths
- +High performance
- +Extensible plugins
- +Open source
Weaknesses
- -Complex setup
- -Enterprise features paid
Key features
Pricing: Solo.io Gloo vs Kong
| Plan | Solo.io Gloo | Kong |
|---|---|---|
| Tier 1 | N/A | Free Free |
| Tier 2 | N/A | Free Plus |
Pricing verified from each vendor's public pricing page. Compare in detail on Solo.io Gloo pricing and Kong pricing.
Who Should Use What?
On a budget?
Kong has a free tier. Solo.io Gloo is paid only.
Go with: Kong
Want the highest-rated option?
Neither has user reviews yet.
Go with: Solo.io Gloo
Value user reviews?
Neither has user reviews yet.
Go with: Kong
3 Questions to Help You Decide
What's your budget?
Solo.io Gloo is paid. Kong is freemium. Kong lets you start free.
What's your use case?
Both are api tools tools. Compare their specific features to decide.
How important are ratings?
Neither has user reviews yet.
Key Takeaways
Kong
- Free tier available
- Our pick for this comparison
Solo.io Gloo
- Choose if you want reimagining infrastructure for cloud and AI with advanced API management and service mesh solutions
The Bottom Line
Kong is our pick.
Frequently Asked Questions
Is Solo.io Gloo or Kong better?
Kong is rated in our evaluation. Solo.io Gloo is paid and Kong is freemium.
What are Solo.io Gloo and Kong used for?
Solo.io Gloo: Reimagining infrastructure for cloud and AI with advanced API management and service mesh solutions.. Kong: Route, secure, and observe APIs with a scalable platform.
What does Solo.io Gloo cost vs Kong?
Solo.io Gloo is a paid tool. Kong is freemium (free tier + paid plans). Visit their websites for detailed pricing.