Google Cloud Functions vs OpenFaaS: Which Should You Choose in 2026?
Choosing between Google Cloud Functions and OpenFaaS 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:
Google Cloud Functions
Serverless compute on Google Cloud
Best for you if:
- • You want the higher-rated option (8.5/10 vs 8.0/10)
- • You need serverless features specifically
- • Google Cloud Functions is a serverless execution environment for event-driven code
- • It runs backend code in response to events without managing servers or containers
OpenFaaS
Serverless functions on Kubernetes
Best for you if:
- • You need something completely free
- • You need api tools features specifically
- • OpenFaaS is an open-source serverless framework for Docker and Kubernetes
- • It deploys functions as containers with auto-scaling and metrics
| At a Glance |  Google Cloud Functions |  OpenFaaS |
|---|---|---|
Price | Free + Paid | Free |
Best For | Serverless | API Tools |
Rating | 85/100 | 80/100 |
| Feature | Google Cloud Functions | OpenFaaS |
|---|---|---|
| Pricing Model | Freemium | Free |
| Editorial Score | 85 | 80 |
| Community Rating | No ratings yet | No ratings yet |
| Total Reviews | 0 | 0 |
| Community Upvotes | 0 | 0 |
| Categories | Serverless | API ToolsContainer Orchestration |
How Google Cloud Functions and OpenFaaS Compare
Google Cloud Functions
Serverless compute on Google Cloud
Free tier available · 85/100 score
OpenFaaS
Serverless functions on Kubernetes
Free · 80/100 score
Google Cloud Functions is a serverless tool. OpenFaaS is in api tools.
Who Should Use What?
On a budget?
OpenFaaS is free. Google Cloud Functions is freemium.
Go with: OpenFaaS
Want the highest-rated option?
Google Cloud Functions: 85/100. OpenFaaS: 80/100.
Go with: Google Cloud Functions
Value user reviews?
Neither has user reviews yet.
Go with: Google Cloud Functions
3 Questions to Help You Decide
What's your budget?
Google Cloud Functions is freemium. OpenFaaS is free. Go with OpenFaaS if free matters most.
What's your use case?
Google Cloud Functions is a serverless tool. OpenFaaS is in api tools. Pick the category that matches your needs.
How important are ratings?
Google Cloud Functions scores higher: 85/100 vs 80/100.
Key Takeaways
Google Cloud Functions
- Higher score: 85/100 vs 80
- Free tier available
- Our pick for this comparison
OpenFaaS
- Completely free
- Better fit for api tools
The Bottom Line
Google Cloud Functions (85/100) is our pick. That said, OpenFaaS is free — hard to beat on price.
Frequently Asked Questions
Is Google Cloud Functions or OpenFaaS better?
Google Cloud Functions scores 85/100 in our evaluation. Google Cloud Functions is freemium and OpenFaaS is free.
What are Google Cloud Functions and OpenFaaS used for?
Google Cloud Functions: Serverless compute on Google Cloud. OpenFaaS: Serverless functions on Kubernetes.
What does Google Cloud Functions cost vs OpenFaaS?
Google Cloud Functions is freemium (free tier + paid plans). OpenFaaS is completely free. Visit their websites for detailed pricing.