Which cloud providers are compared in this tool?

The tool compares AWS, GCP, Azure, Vercel, Fly.io, Railway, Replit, GitHub Codespaces, and Gitpod.

Why do cloud sandboxes incur costs after instance termination?

Terminating a compute instance does not automatically delete associated EBS volumes, snapshots, log groups, or unattached Elastic IPs.

Are provider free egress allowances included in calculations?

Yes, monthly free egress allowances—including 100 GB for AWS, 200 GB for GCP, 5 GB for Azure, and 1 TB for Vercel—are factored into estimates.

How is the forgotten-days horizon calculated?

It multiplies the daily storage, IP, load balancer, and log retention rates by the number of days resources remain undeleted.

What rate is used for unattached static IPv4 addresses?

Unattached static IPv4 addresses are priced at the standard rate of $0.005 per hour, which equals approximately $3.60 per month.

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Ephemeral Cloud Sandbox Cost Calculator & Teardown Auditor

Price a throwaway sandbox across AWS, GCP, Azure, Vercel, Fly.io, Railway, Replit, Codespaces and Gitpod, then audit what forgetting to tear it down actually costs per forgotten day.

Details

What this tool helps you do

Say what the sandbox is (web API, database box, T4 GPU batch, dev environment, static preview), how long it runs each day and for how many days, plus egress, volumes, snapshots, logs, static IPs and whether a load balancer fronts it. The comparison table prices the window on nine providers from a dated price snapshot: verified numbers (GitHub Codespaces $0.18/hr for 2 cores and $0.36/hr for 4, Fly.io shared-cpu-1x units at $0.0030/hr, AWS EBS gp3 $0.08/GB-month, S3 $0.023/GB-month, CloudWatch $0.50/GB ingest) carry a ● marker; entries that drift by region or plan are marked as estimates. Egress free tiers are honoured (AWS 100 GB/month, GCP 200 GB/month, Azure 5 GB, Vercel 1 TB). The teardown auditor is the part that saves real money: every resource class that keeps billing after you stop caring — the $0.005/hr unattached Elastic IPv4 ($3.60/month since February 2024), orphaned EBS volumes at $0.08/GB-month, snapshots at $0.05/GB-month, log groups that keep ingesting at $0.50/GB, S3 residue, an idle ALB at ~$16/month — priced across a configurable forgotten-days horizon with the reminder that deleting an instance does not delete its IP, volumes, snapshots or logs.

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Ephemeral Cloud Sandbox Cost Calculator & Teardown Auditor

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Use cases

Examples

1. 30-Day Web API Sandbox Cost and Teardown Audit

2. GPU Batch Job Pricing and Idle Load Balancer Audit

FAQ

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