Independent directory. VektorIndex is not affiliated with or sponsored by any listed vendor. All specifications are sourced from official vendor documentation.
Head-to-Head Specification Audit
Fly.io vs Holistic AI
Backend & API Developers · Global
Specification Matrix
| Metric | Fly.io | Holistic AI |
|---|---|---|
| Starting Price | CustomBetter | $1667/mo |
| API Rate Limit | N/A | 60 req/min |
| Target Country | Global | Global |
| Category | Cloud Hosting & Edge | AI Governance & Compliance |
| Compliance | SOC2, GDPR | EU AI Act, ISO 42001, NIST AI RMF, GDPR, UK AI Code of Practice |
| Hosting Regions | US-East, EU-West, AP-Southeast, AF-South-ZA | EU-West, US-East |
| Native Integrations | 5 listedBetter | 4 listed |
Fly.io — Key Specs
- ✓Deploy Docker containers to 30+ global regions — closest to ZA is Johannesburg (jnb)
- ✓Machines API launches VMs in under 300ms — ideal for per-request compute isolation
- ✓Fly Volumes provide persistent SSDs for stateful apps like databases and file stores
- ✓Free allowance covers 3 shared-CPU VMs and 3GB of persistent storage permanently
Holistic AI — Key Specs
- ✓EU AI Act Article 9 risk management system implementation
- ✓Bias, fairness, robustness and explainability audits in one platform
- ✓Pre-built EU AI Act high-risk category assessments
- ✓Academic-grade methodology — co-founded by UCL AI researchers
- ✓Trusted by Unilever, EY, and major financial institutions
Frequently Asked Questions
What is cheaper, Fly.io or Holistic AI?+
Fly.io starts at $0/mo, which is lower than Holistic AI at $1667/mo.
Which tool is better for compliance — Fly.io or Holistic AI?+
Both support GDPR. Fly.io additionally supports SOC2. Holistic AI additionally supports EU AI Act, ISO 42001, NIST AI RMF, UK AI Code of Practice.
Which tool is better suited for Global?+
Fly.io is evaluated for Backend & API Developers in Global with hosting regions: US-East, EU-West, AP-Southeast, AF-South-ZA. Holistic AI has hosting regions: EU-West, US-East. For data residency in Global, check each vendor's data processing agreements.
Data last verified: 3 July 2026
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