Flux vs Spinnaker: 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 Flux and Spinnaker 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:
Flux
Declarative GitOps for continuous Kubernetes deployment
Best for you if:
- • You want GitOps for Kubernetes
Spinnaker
Continuous delivery platform for cloud
Best for you if:
- • You want multi-cloud CD
| At a Glance | Flux | Spinnaker |
|---|---|---|
Starts at | Free 100% free | Free 100% free |
Category | DevOps CI/CD | DevOps CI/CD |
Rating | n/a | 3.9/5 G2 3.9 21 reviews |
Free plan | Yes | Yes |
Choose Flux or Spinnaker?
Choose Flux if
- You want GitOps for Kubernetes
- You want CNCF graduated
Choose Spinnaker if
- You want multi-cloud CD
- You want netflix developed
In-Depth Analysis
Flux
Declarative GitOps for continuous Kubernetes deployment
Flux is entirely free and open source, making its pricing exceptionally fair and generous compared to any commercial offering.
Strengths
- Pro: GitOps for Kubernetes
- Pro: CNCF graduated
- Pro: Good Helm support
- Pro: Image automation
- Pro: Active development
Weaknesses
- Con: Learning curve
- Con: ArgoCD competition
- Con: Documentation dense
- Con: Debugging complex
- Con: UI limited
Key features
Spinnaker
Continuous delivery platform for cloud
Spinnaker's pricing is exceptionally generous as it is entirely free and open-source.
Strengths
- Pro: Multi-cloud CD
- Pro: Netflix developed
- Pro: Good for K8s
- Pro: Active development
- Pro: Open source
Weaknesses
- Con: Complex setup
- Con: Steep learning curve
- Con: Resource intensive
- Con: Documentation gaps
- Con: Operational overhead
Key features
Plans and prices: Flux vs Spinnaker
| Tool | Plans and prices | Source |
|---|---|---|
| Flux |
| fluxcd.io read Oct 3, 2026 |
| Spinnaker |
| spinnaker.io read Sep 28, 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 Flux pricing and Spinnaker pricing.
Key Takeaways
Flux
- Choose if you want declarative GitOps for continuous Kubernetes deployment
Spinnaker
- Choose if you want continuous delivery platform for cloud
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 Spinnaker has a published user rating (3.9/5 from 21 reviews); Flux 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 Flux and Spinnaker 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 Spinnaker has a published user rating (3.9/5 from 21 reviews); Flux has none we can show. Both have a free plan.
What are Flux and Spinnaker used for?
Flux: Declarative GitOps for continuous Kubernetes deployment. Spinnaker: Continuous delivery platform for cloud.
What does Flux cost vs Spinnaker?
Flux is free. Spinnaker is free. Prices read on the vendors' pricing pages, latest check Oct 3, 2026.
What's the main difference between Flux and Spinnaker?
Flux's main strength: GitOps for Kubernetes. Spinnaker's main strength: multi-cloud CD.