RETIRING IN 64 DAYS
Sunset scheduled for 2026-11-19, published in the provider's own documentation. The provider names gpt-5.6-sol as the replacement. The identifier still resolves today.
state=dying sunset=2026-11-19 days_remaining=64 severity=high sources=docs,litellm evidence_tier=documentation confirmed_by_endpoint=false documented_by_provider=docs replacement=gpt-5.6-sol corroborated=yes divergent_fields=none checked=2026-09-16 03:02Z
openai/o3-2025-04-16
Vendor: openai. Tracked by 2 of 5 sources.
What each source reports
| Source | ID | Context | Max out | In $/Mtok | Out $/Mtok | Sunset |
|---|---|---|---|---|---|---|
| docs | o3-2025-04-16 | — | — | — | — | 2026-12-11 |
| litellm | azure/o3-2025-04-16 | 200,000 | 100,000 | $2 | $8 | 2026-11-19 |
Change history
| Severity | Change | What | Detected |
|---|---|---|---|
| high | deprecated | azure/o3-2025-04-16: deprecation announced for 2026-11-19 — in 67 days | 2026-09-13 |
| high | deprecated | azure/us/o3-2025-04-16: deprecation announced for 2026-11-19 — in 67 days | 2026-09-13 |
| high | deprecated | azure/o3-2025-04-16: retires 2026-11-19 (in 67 days) | 2026-09-13 |
| high | deprecated | azure/us/o3-2025-04-16: retires 2026-11-19 (in 67 days) | 2026-09-13 |
| high | deprecated | azure/o3-2025-04-16: deprecation announced for 2026-10-21 — in 70 days | 2026-08-12 |
| high | deprecated | azure/us/o3-2025-04-16: deprecation announced for 2026-10-21 — in 70 days | 2026-08-12 |
| medium | deprecated | o3-2025-04-16: deprecation announced for 2026-12-11 — in 121 days | 2026-08-12 |
| high | deprecated | azure/o3-2025-04-16: retires 2026-10-21 (in 70 days) | 2026-08-12 |
| high | deprecated | azure/us/o3-2025-04-16: retires 2026-10-21 (in 70 days) | 2026-08-12 |
| info | deprecated | o3-2025-04-16: deprecation announced for 2026-06-11 (date already passed) | 2026-08-05 |
| medium | deprecated | o3-2025-04-16: retires 2026-12-11 (in 132 days) | 2026-08-01 |
| info | deprecated | azure/o3-2025-04-16: retires 2026-04-16 (107 days ago) | 2026-08-01 |
| info | deprecated | azure/us/o3-2025-04-16: retires 2026-04-16 (107 days ago) | 2026-08-01 |
| low | added | new model o3-2025-04-16 | 2026-08-01 |
| info | modified | [source artifact — 6 providers changed identically on the same day] o3-2025-04-16: capabilities lost service_tier | 2026-06-27 |