Side-by-side comparison of Google Vertex AI (Google · USA) and IBM watsonx.ai (IBM · USA) for European deployment via API. Google Vertex AI is rated conditional; IBM watsonx.ai is conditional. They part ways on hosting: Google Vertex AI is "EU via GCP", IBM watsonx.ai is "EU (Frankfurt)".
| Field | ||
|---|---|---|
| Summary | ||
| Verdict | Conditional Strong tooling, EU multi-region. US jurisdiction applies. | Conditional Enterprise-grade inference with EU region in Frankfurt. IBM offers Granite models with indemnification. US jurisdiction applies; CLOUD Act risk same as other US hyperscalers. |
| Last reviewed | 2026-04-15 | 2026-04-15 |
| Sovereignty | ||
| Hosting | EU via GCP | EU (Frankfurt) |
| GDPR | DPA | DPA |
| Jurisdiction | USA | USA |
| AI Act | Compliant | Compliant |
| Evidence | ||
| Sources | ||
No overlapping sources between the two entries.