Side-by-side comparison of OpenAI API (OpenAI · USA) and Together AI (Together · USA) for European deployment via API. OpenAI API is rated conditional; Together AI is conditional. They part ways on hosting: OpenAI API is "EU via Azure", Together AI is "USA (primary)".
| Field | ||
|---|---|---|
| Summary | ||
| Verdict | Conditional EU data residency via Azure, but US jurisdiction means CLOUD Act exposure. Blocking for defence and regulated sectors. | Conditional Popular host for open-weight models with serverless and dedicated endpoints. Primary regions are US; verify EU region availability per SKU. CLOUD Act applies. |
| Last reviewed | 2026-04-15 | 2026-04-15 |
| Sovereignty | ||
| Hosting | EU via Azure | USA (primary) |
| GDPR | DPA | DPA |
| Jurisdiction | USA | USA |
| AI Act | Compliant | Compliant |
| Evidence | ||
| Sources | ||
No overlapping sources between the two entries.