Side-by-side comparison of Azure OpenAI Service (Microsoft · USA) and Google Vertex AI (Google · USA) for European deployment via API. Azure OpenAI Service is rated conditional; Google Vertex AI is conditional. They part ways on hosting: Azure OpenAI Service is "EU (Data Zones)", Google Vertex AI is "EU via GCP".
| Field | ||
|---|---|---|
| Summary | ||
| Verdict | Conditional EU Data Zone keeps processing within Europe (France Central, Sweden Central, Germany West, Switzerland North). Microsoft DPA is mature. US parent means CLOUD Act exposure remains — blocking for defence and some sovereign workloads. | Conditional Strong tooling, EU multi-region. US jurisdiction applies. |
| Last reviewed | 2026-04-15 | 2026-04-15 |
| Sovereignty | ||
| Hosting | EU (Data Zones) | EU via GCP |
| GDPR | DPA | DPA |
| Jurisdiction | USA | USA |
| AI Act | Compliant | Compliant |
| Evidence | ||
| Sources | ||
No overlapping sources between the two entries.