Side-by-side comparison of OpenAI API (OpenAI · USA) and STACKIT AI Model Serving (STACKIT · Germany) for European deployment via API. OpenAI API is rated conditional; STACKIT AI Model Serving is EU-ready. They part ways on hosting: OpenAI API is "EU via Azure", STACKIT AI Model Serving is "EU (Germany)".
| Field | ||
|---|---|---|
| Summary | ||
| Verdict | Conditional EU data residency via Azure, but US jurisdiction means CLOUD Act exposure. Blocking for defence and regulated sectors. | EU-ready German sovereign cloud backed by Schwarz Group (retail giant). Exclusively European data residency. Verify BSI C5 scope for the specific model-serving tier. |
| Last reviewed | 2026-04-15 | 2026-04-15 |
| Sovereignty | ||
| Hosting | EU via Azure | EU (Germany) |
| GDPR | DPA | Native |
| Jurisdiction | USA | Germany |
| AI Act | Compliant | Compliant |
| Evidence | ||
| Sources | ||
No overlapping sources between the two entries.