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DevZero vs OpenCost: Which is Better in 2026?

Choosing between DevZero and OpenCost 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: DevZero wins this matchup. MongoDB is our overall Cloud & Infrastructure pick. MongoDB is our free Cloud & Infrastructure pick. Pick OpenCost if you need DevOps.

··Methodology
Editor reviewed0 verified reviews comparedPricing checked Sep 2026

Short on time? Here's the quick answer

We've tested both tools. Here's who should pick what:

DevZero

Continuously optimize Kubernetes CPU and GPU allocation to reduce cloud spend and improve performance.

Best for you if:

  • • You want significant cost savings (30-80%) on Kubernetes cloud spend
  • • You want automated optimization eliminates manual tuning and overprovisioning

OpenCost

Open-source cost monitoring and allocation for cloud-native Kubernetes environments.

Best for you if:

  • • You want a fully free tool (DevZero requires payment)
  • • You want provides highly granular cost visibility within Kubernetes environments
  • • You want supports multi-cloud and hybrid cloud deployments with on-premise capabilities
At a Glance
DevZeroDevZero
OpenCostOpenCost
Starts at
FreeFree tier available
FreeFree tier available
Best For
Cloud & InfrastructureDevOps
Rating
--
Free plan
Yes Yes

Choose DevZero or OpenCost?

DevZero

Choose DevZero if

Continuously optimize Kubernetes CPU and GPU allocation to reduce cloud spend and improve performance.

  • You want significant cost savings (30-80%) on Kubernetes cloud spend
  • You want automated optimization eliminates manual tuning and overprovisioning
  • Your work is cloud & infrastructure-shaped, not DevOps-shaped
OpenCost

Choose OpenCost if

Open-source cost monitoring and allocation for cloud-native Kubernetes environments.

  • You want a fully free tool (DevZero requires payment)
  • You want provides highly granular cost visibility within Kubernetes environments
  • You want supports multi-cloud and hybrid cloud deployments with on-premise capabilities
  • Your work is DevOps-shaped, not cloud & infrastructure-shaped
FeatureDevZeroOpenCost
Pricing ModelFreemiumFree
User RatingNo ratings yetNo ratings yet
Categories
Cloud & InfrastructureDevOps
DevOpsCloud & Infrastructure

In-Depth Analysis

DevZeroDevZero

Continuously optimize Kubernetes CPU and GPU allocation to reduce cloud spend and improve performance.

Starts at Free
Good value

DevZero's pricing structure is fair for businesses looking to optimize Kubernetes costs.

Strengths

  • +Significant cost savings (30-80%) on Kubernetes cloud spend
  • +Automated optimization eliminates manual tuning and overprovisioning
  • +Improved performance and SLA compliance
  • +Granular visibility into infrastructure spend and waste
  • +Supports various cloud providers (AWS, GCP, Azure) and on-premise

Weaknesses

  • -Specific benefits like dedicated support and advanced features are locked behind paid tiers
  • -Free tier has a limited duration (45 days) for platform access
  • -Pricing is per CPU, which might scale quickly for very large clusters

Key features

Continuous CPU and GPU allocation optimizationReal-time cost monitoring by cluster, namespace, workload, and teamIntelligent instance selection for optimal bin packingLive migration of running applications with zero downtime (CPU, GPU, memory, storage, network)Smart GPU rightsizing with granular visibility and optimization suggestionsWorkload optimization using AI to adjust CPU and memory without restarts

OpenCostOpenCost

Open-source cost monitoring and allocation for cloud-native Kubernetes environments.

Starts at Free
Great value

OpenCost is entirely free, making its pricing exceptionally fair and generous compared to any commercial offering.

Watch out

Requires internal engineering resources for deployment and maintenance.

Strengths

  • +Provides highly granular cost visibility within Kubernetes environments.
  • +Supports multi-cloud and hybrid cloud deployments with on-premise capabilities.
  • +Being open-source, it offers transparency and community-driven development.
  • +Integrates with existing cloud billing APIs for accurate pricing data.

Weaknesses

  • -Requires Kubernetes expertise for deployment and configuration.
  • -May require additional setup for comprehensive cost monitoring of non-Kubernetes resources.
  • -Relies on community support for troubleshooting and advanced use cases.

Key features

Real-time cost allocation by Kubernetes concepts to the container levelDynamic asset pricing via AWS, Azure, and GCP billing API integrationsSupport for on-prem Kubernetes clusters with custom pricingCost allocation for in-cluster resources (CPU, GPU, memory, load balancers, persistent volumes)Monitoring of out-of-cluster cloud provider resources (object storage, databases, managed services)Integrations with other open-source tooling like Prometheus for pricing data exports

Pricing: DevZero vs OpenCost

PlanDevZeroOpenCost
Tier 1
$0 per month
Free
Free
OpenCost
Tier 2
$7 per CPU per month
Scaling & Optimization
N/A
Tier 3
Contact us for pricing
Enterprise
N/A

Pricing verified from each vendor's public pricing page. Compare in detail on DevZero pricing and OpenCost pricing.

Who Should Use What?

On a budget?

OpenCost is free. DevZero is freemium.

Go with: OpenCost

Want the highest-rated option?

Neither has ratings yet.

Too early to call on ratings — compare on features and pricing.

Value user reviews?

Neither has ratings yet.

Too early to call — neither has ratings yet.

3 Questions to Help You Decide

1

What's your budget?

DevZero is freemium. OpenCost is free. Go with OpenCost if free matters most.

2

What's your use case?

DevZero is a cloud & infrastructure tool. OpenCost is in DevOps. Pick the category that matches your needs.

3

How important are ratings?

Neither has ratings yet.

Key Takeaways

DevZero

  • Free tier available
  • Our pick for this comparison

OpenCost

  • Completely free
  • Better fit for DevOps

The Bottom Line

DevZero wins this matchup. MongoDB is our overall Cloud & Infrastructure pick. MongoDB is our free Cloud & Infrastructure pick. That said, OpenCost is free, hard to beat on price.

Frequently Asked Questions

Is DevZero or OpenCost better?

DevZero is rated in our evaluation. DevZero is freemium and OpenCost is free.

What are DevZero and OpenCost used for?

DevZero: Continuously optimize Kubernetes CPU and GPU allocation to reduce cloud spend and improve performance.. OpenCost: Open-source cost monitoring and allocation for cloud-native Kubernetes environments..

What does DevZero cost vs OpenCost?

DevZero is freemium (free tier + paid plans). OpenCost is completely free. Visit their websites for detailed pricing.

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