Klustercost
Klustercost: A practical Azure-focused option for open-source Kubernetes cost querying. Ranked #23 of 24 in Kubernetes Cost Management Software by our editors (7.0/10); pricing: Free plan; best for azure-focused open-source cost querying.
At a glance
- Editor score7.0 / 10
- PricingFree plan
- Best forAzure-focused open-source cost querying
- Free planYes
- Paid fromFree
- Allocation granularityWorkload
- Facts checked20 Sep 2026
Where it wins
- Free, open-source deployment with Helm inside Kubernetes
- Combines Prometheus metrics, ownership metadata, and Azure pricing
- Natural-language queries plus HTTP API, MCP, Teams, and Power BI workflows
Where it doesn't
- Pricing enrichment currently targets Azure
- Does not include optimization features such as rightsizing
- Requires Kubernetes, Prometheus, and PostgreSQL components
Our verdict on Klustercost
Klustercost is an open-source, self-hosted Kubernetes cost visibility platform for teams that want workload-level cost and usage information inside their existing Kubernetes environment. It monitors pods, nodes, namespaces, services, and controllers through the Kubernetes API, collects CPU and memory usage through Prometheus, and gathers workload and ownership metadata. Its allocation granularity is the workload, making it a fit for teams that need to connect Kubernetes consumption with applications or owners rather than view infrastructure only at a cluster level.
The deployment model is a strong fit for platform teams comfortable operating Kubernetes components. Helm-based deployment runs inside an existing Kubernetes cluster, while PostgreSQL stores metrics, metadata, and pricing data. Klustercost enriches Kubernetes node data with Azure retail pricing and supports natural-language cost and usage queries powered by AI. Access extends beyond the web interface through an HTTP API and MCP, with Microsoft Teams and Power BI-oriented reporting integrations. Together, these options support both interactive investigation and reporting workflows, particularly in Azure-centered environments.
Klustercost should appeal to organizations seeking a free, open-source foundation for Kubernetes cost visibility and allocation, especially when Azure is the primary cloud environment. It is less suitable for teams looking for a broader multicloud pricing layer or built-in cost optimization. The product does not provide features such as rightsizing, forecasting, commitment optimization, or budget alerts, so it focuses more narrowly on collecting, enriching, querying, and reporting cost data. Choose it when ownership-aware workload analysis and flexible access matter most; consider an alternative when optimization automation or broader cloud coverage is central to the buying decision.
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Klustercost pricing
Klustercost fact sheet
| Free plan | Yes |
|---|---|
| Paid from | Free |
| Allocation granularity | Workload |
| Cost forecasting | Not verified |
| Rightsizing recommendations | Not verified |
| Commitment optimization | Not verified |
| Budget alerts | Not verified |
| Data retention | Not verified |
| Deployment | Self-hosted |
| Support | Community |
| Built for | Small business, Mid-market, Enterprise (editorial estimate) |
| Integrations | 8 integrations: Kubernetes API, Prometheus, PostgreSQL, Azure Retail Prices API, Microsoft Teams, Power BI … |
| Pricing | Free plan |
| Website | klustercost.cloud |
| Facts checked | 20 Sep 2026 |
Klustercost integrations
Klustercost lists 8 integrations on its own site.
- Kubernetes API
- Prometheus
- PostgreSQL
- Azure Retail Prices API
- Microsoft Teams
- Power BI
- HTTP API
- MCP
Alternatives to Klustercost
- PerfectScaleBroad Kubernetes cost visibility and optimization with a free community tier.9.4
- CAST AIA deep multicloud Kubernetes cost platform for teams prioritizing automated savings.9.2
- Atmosly Kubernetes Cost OptimizationA feature-rich Kubernetes cost platform with transparent paid tiers and a useful free plan.9.1
See all Klustercost alternatives →
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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
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