RETIRING IN 152 DAYS
Sunset scheduled for 2027-04-01, published in the provider's own documentation. The provider names gpt-6-sol as the replacement. The identifier still resolves today.
state=dying sunset=2027-04-01 days_remaining=152 severity=high sources=docs,litellm evidence_tier=documentation confirmed_by_endpoint=false documented_by_provider=docs replacement=gpt-6-sol corroborated=yes divergent_fields=none checked=2026-10-31 05:09Z
openai/gpt-5.1-2025-11-13
Vendor: openai. Tracked by 2 of 5 sources.
What each source reports
| Source | ID | Context | Max out | In $/Mtok | Out $/Mtok | Sunset |
|---|---|---|---|---|---|---|
| docs | gpt-5.1-2025-11-13 | — | — | — | — | 2027-04-01 |
| litellm | azure/gpt-5.1-2025-11-13 | 272,000 | 128,000 | $1.25 | $10 | 2027-04-01 |
Change history
| Severity | Change | What | Detected |
|---|---|---|---|
| medium | deprecated | gpt-5.1-2025-11-13: deprecation announced for 2027-04-01 — in 155 days | 2026-10-28 |
| low | added | new model gpt-5.1-2025-11-13 | 2026-10-23 |
| medium | deprecated | gpt-5.1-2025-11-13: retires 2027-04-01 (in 160 days) | 2026-10-23 |
| high | modified | gpt-5.1-2025-11-13: capabilities lost minimal_reasoning_effort | 2026-09-11 |
| medium | deprecated | azure/gpt-5.1-2025-11-13: deprecation announced for 2027-05-15 — in 276 days | 2026-08-12 |
| medium | deprecated | azure/gpt-5.1-2025-11-13: retires 2027-05-15 (in 276 days) | 2026-08-12 |
| info | modified | [source artifact — 6 providers changed identically on the same day] azure/gpt-5.1-2025-11-13: capabilities lost service_tier | 2026-06-27 |
| info | modified | [source artifact — 6 providers changed identically on the same day] gpt-5.1-2025-11-13: capabilities lost service_tier | 2026-06-27 |