GCS vs MinIO
Cloud object storage pricing comparison. For a mid-size SaaS workload, MinIO is cheaper.
Cost Comparison by Scenario
Personal site, small app, or hobby project: 10GB storage, 50GB egress, 10,000 writes, 100,000 reads per month.
| Cost Component | GCS | MinIO |
|---|---|---|
| Storage | $0.20 | $0.00 |
| Egress | $6.00 | $0.00 |
| API Requests | $0.09 | $0.00 |
| Monthly Total | $6.29 | $0.00 |
| Annual Total | $75 | $0 |
MinIO is 0% cheaper for this scenario, saving $6.29/mo ($75/year).
Feature Comparison
| Feature | GCS | MinIO |
|---|---|---|
| S3 Compatible | Yes | Yes |
| Zero Egress Cost | No | Yes |
| Free Tier | Yes | No |
| GDPR | Yes | Yes |
| HIPAA | Yes | Yes |
| SOC 2 | Yes | Yes |
| Encryption at Rest | Yes | Yes |
| Customer-Managed Keys | Yes | Yes |
| Sensitive Data | full | full |
| Data Residency | US, EU, AP, SA | US, EU, AP, SA, AF |
| CDN Integration | cloud-cdn, cloudflare, fastly | cloudflare, nginx, any-reverse-proxy |
Strengths & Weaknesses
GCS
Pros
- +Tight BigQuery integration
- +Strong ML/AI pipeline support
- +Autoclass storage optimization
- +Dual/multi-region options
Cons
- −High egress fees
- −Smaller community than AWS
- −Free tier egress very limited (1GB)
MinIO
Pros
- +Completely free (open source, AGPL v3)
- +Full data sovereignty — you control everything
- +S3-compatible API
- +All compliance possible (you manage it)
Cons
- −You manage infrastructure (servers, disks, networking)
- −Hardware and operational costs not included
- −Requires DevOps expertise
- −No managed support without enterprise license
When to Choose Which
Choose GCS if you need:
- Data analytics pipelines
- BigQuery-heavy workloads
- ML training data storage
Choose MinIO if you need:
- Organizations needing full data control
- Air-gapped environments
- On-premise requirements
- Avoiding cloud vendor lock-in