DEPRECATED
Retired 2026-07-23 — 69 days ago. Requests to this identifier are expected to fail. The provider names gpt-5.6-sol as the replacement.
state=dead sunset=2026-07-23 days_remaining=-69 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=2026-09-30 15:40Z
openai/o3-deep-research
Vendor: openai. Tracked by 2 of 5 sources.
What each source reports
| Source | ID | Context | Max out | In $/Mtok | Out $/Mtok | Sunset |
|---|---|---|---|---|---|---|
| docs | o3-deep-research | — | — | — | — | 2026-07-23 |
| litellm | azure/o3-deep-research | 200,000 | 100,000 | $10 | $40 | 2026-07-23 |
Change history
| Severity | Change | What | Detected |
|---|---|---|---|
| info | deprecated | o3-deep-research: deprecation announced for 2026-07-23 (date already passed) | 2026-09-28 |
| low | added | new model o3-deep-research (200,000 ctx) | 2026-09-24 |
| medium | removed | [one catalog only — docs, litellm still list it] o3-deep-research is no longer listed by this source — calls to it are expected to fail | 2026-09-23 |
| high | deprecated | azure/eu/o3-deep-research: deprecation announced for 2026-11-19 — in 62 days | 2026-09-18 |
| high | deprecated | azure/us/o3-deep-research: deprecation announced for 2026-11-19 — in 62 days | 2026-09-18 |
| high | deprecated | azure/eu/o3-deep-research: retires 2026-11-19 (in 62 days) | 2026-09-18 |
| high | deprecated | azure/us/o3-deep-research: retires 2026-11-19 (in 62 days) | 2026-09-18 |
| low | added | new model azure/eu/o3-deep-research | 2026-09-16 |
| low | added | new model azure/us/o3-deep-research | 2026-09-16 |
| high | deprecated | azure/o3-deep-research: deprecation announced for 2026-11-19 — in 67 days | 2026-09-13 |
| high | deprecated | azure/o3-deep-research: retires 2026-11-19 (in 67 days) | 2026-09-13 |
| low | modified | o3-deep-research: capabilities gained reasoning | 2026-09-09 |
| critical | deprecated | o3-deep-research: deprecation announced for 2026-07-23 (date already passed) | 2026-08-12 |
| medium | deprecated | azure/o3-deep-research: deprecation announced for 2026-12-26 — in 136 days | 2026-08-12 |
| medium | deprecated | azure/o3-deep-research: retires 2026-12-26 (in 136 days) | 2026-08-12 |
| critical | deprecated | o3-deep-research: retires 2026-07-23 (9 days ago) | 2026-08-01 |
| low | added | new model o3-deep-research | 2026-08-01 |