DEPRECATED
Retired 2026-10-23 — 8 days ago. Requests to this identifier are expected to fail. The provider names gpt-5.6-sol as the replacement.
state=dead sunset=2026-10-23 days_remaining=-8 severity=critical 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=2026-10-31 05:09Z
openai/o1
Vendor: openai. Tracked by 2 of 5 sources.
What each source reports
| Source | ID | Context | Max out | In $/Mtok | Out $/Mtok | Sunset |
|---|---|---|---|---|---|---|
| docs | o1 | — | — | — | — | 2026-10-23 |
| litellm | azure/eu/o1 | 200,000 | 100,000 | $16.5 | $66 | 2026-10-23 |
Change history
| Severity | Change | What | Detected |
|---|---|---|---|
| medium | removed | [one catalog only — docs, litellm still list it] openai/o1 is no longer listed by this source — calls to it are expected to fail | 2026-10-28 |
| low | added | new model azure/eu/o1 (200,000 ctx) | 2026-10-20 |
| low | added | new model azure/us/o1 (200,000 ctx) | 2026-10-20 |
| high | deprecated | azure/eu/o1: retires 2026-11-19 (in 30 days) | 2026-10-20 |
| high | deprecated | azure/us/o1: retires 2026-11-19 (in 30 days) | 2026-10-20 |
| info | deprecated | o1: deprecation announced for 2026-04-22 (date already passed) | 2026-10-17 |
| info | deprecated | o1: deprecation announced for 2026-04-22 (date already passed) | 2026-10-13 |
| medium | removed | [one catalog only — docs, litellm, openrouter still list it] openrouter/openai/o1 is no longer listed by this source — calls to it are expected to fail | 2026-10-09 |
| low | modified | openrouter/openai/o1: capabilities gained web_search | 2026-09-19 |
| low | modified | openrouter/openai/o1: capabilities gained pdf_input, reasoning | 2026-09-18 |
| high | deprecated | azure/o1: deprecation announced for 2026-11-19 — in 67 days | 2026-09-13 |
| high | deprecated | azure/o1: retires 2026-11-19 (in 67 days) | 2026-09-13 |
| high | deprecated | azure/o1: deprecation announced for 2026-10-21 — in 61 days | 2026-08-21 |
| high | deprecated | azure/o1: retires 2026-10-21 (in 61 days) | 2026-08-21 |
| high | deprecated | o1: deprecation announced for 2026-10-23 — in 72 days | 2026-08-12 |
| info | deprecated | o1: deprecation announced for 2026-04-22 (date already passed) | 2026-08-05 |
| high | deprecated | o1: retires 2026-10-23 (in 83 days) | 2026-08-01 |
| low | added | new model o1 | 2026-08-01 |