RewindexAI modelso4-mini-2025-04-16
o4-mini-2025-04-16
Retired · retired 2026-10-23 · made by OpenAI
From provider notices collected by Dead Canary (opens in new tab). Retired = a shutdown date that has passed. Preview/GA status is not shown because these sources do not state it.
Hosts
| Host | Status at host | Date | Notices |
|---|---|---|---|
| Microsoft Azure | Notice only (incl. fine-tuning notice) | 1 | |
| OpenAI | Retired | 2026-10-23 | 1 |
Lifecycle timeline
- 2026-10-23
shutdown at OpenAI: o4-mini-2025-04-16
Access to o4-mini-2025-04-16 (alias o4-mini) shuts down on October 23, 2026.
Announced 2026-04-22 · vendor notice (opens in new tab) · Dead Canary (opens in new tab)
- 2027-10-16
shutdown (fine-tuned deployments) at Microsoft Azure: o4-mini-2025-04-16 (fine-tuned)
Fine-tuned o4-mini 2025-04-16 deployments retire on 2027-10-16; training retires no earlier than 2027-04-16.
vendor notice (opens in new tab) · Dead Canary (opens in new tab)