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Infracost

by Infracost

Open-source Terraform cost estimation tool that shows AWS, GCP, and Azure cost impact in pull request comments before infrastructure deployment for APAC DevOps and platform engineering teams.

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AIMenta verdict
Recommended
5/5

"Infracost is the open-source cloud cost estimation tool for APAC DevOps teams — Terraform cost impact in pull requests before infrastructure deployment. Best for APAC platform teams wanting cost awareness built into the infrastructure review workflow before spend is committed."

Features
7
Use cases
4
Watch outs
4
What it does

Key features

  • PR cost comments — Terraform cost impact posted to GitHub, GitLab, and Bitbucket pull request reviews
  • Multi-cloud coverage — AWS, GCP, and Azure resource pricing including APAC region-specific rates
  • Terraform module support — cost estimation for Terraform registry and custom modules
  • Cost diff view — monthly cost increase/decrease breakdown by resource type per PR
  • CI integration — GitHub Actions, GitLab CI, Bitbucket Pipelines, and Jenkins native integrations
  • Infracost Cloud — managed service for cost trend analytics and PR approval policies
  • Open-source CLI — free local cost estimation without cloud account access requirements
When to reach for it

Best for

  • APAC platform and DevOps teams wanting infrastructure cost visibility during Terraform PR review
  • Engineering teams wanting to prevent infrastructure cost surprises through pre-deployment cost awareness
  • APAC organisations managing multiple AWS accounts in Singapore and APAC regions wanting accurate regional pricing
  • FinOps practitioners wanting to shift cloud cost ownership to the engineering teams making infrastructure decisions
Don't get burned

Limitations to know

  • ! Infracost estimates Terraform configuration costs, not actual usage costs — dynamic costs (Lambda invocations, data transfer) are not included
  • ! Accuracy depends on resource configuration completeness in Terraform — incomplete configurations produce incomplete estimates
  • ! Infracost Cloud (trend analytics, policies) is a paid service — open-source CLI provides cost estimation only
  • ! APAC cloud providers (Alibaba Cloud, Tencent Cloud) are not supported — China-market infrastructure cost estimation requires separate tooling
Context

About Infracost

Infracost is an open-source cloud cost estimation tool that integrates with Terraform, Pulumi, and AWS CloudFormation to calculate and display the cost impact of infrastructure changes in pull request comments — enabling APAC DevOps and platform engineering teams to see the AWS, GCP, and Azure cost implications of infrastructure changes before they are deployed, rather than discovering the cost impact on the next cloud bill.

Infracost's pull request integration — which posts a cost diff comment on GitHub, GitLab, or Bitbucket pull requests showing the monthly cost increase or decrease from the infrastructure changes in the PR — inserts cost awareness at the exact moment in the infrastructure review workflow where cost decisions can be made. An APAC platform engineer reviewing a Terraform PR that adds a new RDS Aurora Multi-AZ cluster sees the $480/month cost impact in the PR comment before approving the change — enabling a cost-conscious review conversation rather than a post-deployment budget surprise.

Infracost's coverage — which includes pricing for 1000+ AWS resource types, 130+ GCP resource types, and 180+ Azure resource types, pulled from the cloud providers' published pricing APIs — provides APAC DevOps teams with accurate cost estimates for the full range of infrastructure components that Terraform modules provision. APAC organisations using AWS Singapore (ap-southeast-1) pricing — which differs from AWS US region pricing — see APAC-region pricing in Infracost estimates rather than US-region defaults.

Infracost's Terraform module support — which calculates costs for Terraform registry modules and custom modules by expanding the module configuration and summing the constituent resource costs — enables APAC platform teams that use Terraform modules for standard infrastructure patterns (VPC module, EKS cluster module, RDS module) to see full module costs in PR comments rather than just the top-level configuration.

Infracost Cloud — the managed service component that provides cost trend tracking, team spend analytics, and governance policy configuration on top of the open-source CLI — enables APAC platform teams that have deployed Infracost in CI to analyse historical cost trends, track which APAC teams are generating the most infrastructure cost changes, and configure thresholds that require budget approval before high-cost PRs are merged.

Beyond this tool

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