Side-by-side comparison of Google Vertex AI (Google · USA) and OpenAI API (OpenAI · USA) for European deployment via API. Google Vertex AI is rated conditional; OpenAI API is conditional. They part ways on hosting: Google Vertex AI is "EU via GCP", OpenAI API is "EU via Azure".
| Field | ||
|---|---|---|
| Summary | ||
| Verdict | Conditional Strong tooling, EU multi-region. US jurisdiction applies. | Conditional EU data residency via Azure, but US jurisdiction means CLOUD Act exposure. Blocking for defence and regulated sectors. |
| Last reviewed | 2026-04-15 | 2026-04-15 |
| Sovereignty | ||
| Hosting | EU via GCP | EU via Azure |
| GDPR | DPA | DPA |
| Jurisdiction | USA | USA |
| AI Act | Compliant | Compliant |
| Evidence | ||
| Sources | ||
No overlapping sources between the two entries.