Knative vs OpenFaaS: 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 Knative and OpenFaaS side by side. This page compares data; it is not a hands-on review.
On the data: On the data below the two are close or not directly comparable, so we do not name a 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:
Knative
Serverless containers on Kubernetes
Best for you if:
- • You want serverless on Kubernetes
OpenFaaS
Serverless functions on Kubernetes
Best for you if:
- • You want open source serverless
| At a Glance | Knative | OpenFaaS |
|---|---|---|
Starts at | Free 100% free | Free 100% free |
Category | Hosting & Deployment Serverless | Hosting & Deployment Serverless |
Rating | 4.3/5 SourceForge 4.3 · G2 4.4 80 reviews | n/a |
Free plan | Yes | Yes |
Watch out for | n/a | OpenFaaS Pro pricing is not public, requiring direct contact. |
Choose Knative or OpenFaaS?
Choose Knative if
- You want serverless on Kubernetes
- You want event-driven
Choose OpenFaaS if
- You want open source serverless
- You want kubernetes native
In-Depth Analysis
Knative
Serverless containers on Kubernetes
Knative's pricing is exceptionally generous as it is entirely free, being an open-source project.
Strengths
- Pro: Serverless on Kubernetes
- Pro: Event-driven
- Pro: Good scaling
- Pro: Open source
- Pro: CNCF project
Weaknesses
- Con: Complex setup
- Con: Steep learning curve
- Con: K8s knowledge needed
- Con: Resource overhead
- Con: Documentation gaps
Key features
OpenFaaS
Serverless functions on Kubernetes
OpenFaaS offers a very generous pricing model with its free Community Edition, making it highly accessible for individual developers and small teams.
Watch out
OpenFaaS Pro pricing is not public, requiring direct contact.
Strengths
- Pro: Open source serverless
- Pro: Kubernetes native
- Pro: Self-hostable
- Pro: Good community
- Pro: Language agnostic
Weaknesses
- Con: Learning curve
- Con: Setup complexity
- Con: Enterprise features paid
- Con: Documentation gaps
- Con: Operational overhead
Key features
Plans and prices: Knative vs OpenFaaS
| Tool | Plans and prices | Source |
|---|---|---|
| Knative |
| knative.dev read Oct 2, 2026 |
| OpenFaaS |
| openfaas.com/pricing read Oct 18, 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 Knative pricing and OpenFaaS pricing.
Key Takeaways
Knative
- Choose if you want serverless containers on Kubernetes
OpenFaaS
- Choose if you want serverless functions on Kubernetes
What the data shows
On the data below the two are close or not directly comparable, so we do not name a winner for this pair.
- Only Knative has a published user rating (4.3/5 from 80 reviews); OpenFaaS has none we can show.
- 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 Knative and OpenFaaS compare in 2026?
On the data below the two are close or not directly comparable, so we do not name a winner for this pair. Only Knative has a published user rating (4.3/5 from 80 reviews); OpenFaaS has none we can show. Both have a free plan.
What are Knative and OpenFaaS used for?
Knative: Serverless containers on Kubernetes. OpenFaaS: Serverless functions on Kubernetes.
What does Knative cost vs OpenFaaS?
Knative is free. OpenFaaS is free. Prices read on the vendors' pricing pages, latest check Oct 18, 2026.
What's the main difference between Knative and OpenFaaS?
Knative's main strength: serverless on Kubernetes. OpenFaaS's main strength: open source serverless.