RETIRING IN 75 DAYS
Sunset scheduled for 2027-01-14, published in the provider's own documentation. The provider names gpt-6-luna as the replacement. The identifier still resolves today. Sources disagree on: input_price_per_mtok, output_price_per_mtok.
state=dying sunset=2027-01-14 days_remaining=75 severity=high sources=docs,litellm,openrouter evidence_tier=documentation confirmed_by_endpoint=false documented_by_provider=docs replacement=gpt-6-luna corroborated=yes divergent_fields=input_price_per_mtok,output_price_per_mtok checked=2026-10-31 05:09Z
openai/gpt-4o-2024-11-20
Vendor: openai. Tracked by 3 of 5 sources.
What each source reports
| Source | ID | Context | Max out | In $/Mtok | Out $/Mtok | Sunset |
|---|---|---|---|---|---|---|
| docs | gpt-4o-2024-11-20 | — | — | — | — | 2027-01-14 |
| litellm | azure/eu/gpt-4o-2024-11-20 | 128,000 | 16,384 | $2.75 | $11 | 2027-01-14 |
| openrouter | openai/gpt-4o-2024-11-20 | 128,000 | 16,384 | $2.5 | $10 | — |
Change history
| Severity | Change | What | Detected |
|---|---|---|---|
| medium | deprecated | gpt-4o-2024-11-20: deprecation announced for 2027-01-14 — in 91 days | 2026-10-15 |
| low | added | new model gpt-4o-2024-11-20 | 2026-10-13 |
| medium | deprecated | gpt-4o-2024-11-20: retires 2027-01-14 (in 93 days) | 2026-10-13 |
| medium | removed | [one catalog only — litellm, openrouter still list it] openrouter/openai/gpt-4o-2024-11-20 is no longer listed by this source — calls to it are expected to fail | 2026-10-10 |
| info | repriced | azure/eu/gpt-4o-2024-11-20: cache_read_price_per_mtok n/a to $1.38/Mtok | 2026-09-16 |
| info | repriced | azure/gpt-4o-2024-11-20: input_price_per_mtok $2.75/Mtok to $2.50/Mtok | 2026-09-16 |
| info | repriced | azure/gpt-4o-2024-11-20: output_price_per_mtok $11.00/Mtok to $10.00/Mtok | 2026-09-16 |
| info | repriced | azure/us/gpt-4o-2024-11-20: cache_read_price_per_mtok n/a to $1.38/Mtok | 2026-09-16 |
| low | added | new model openrouter/openai/gpt-4o-2024-11-20 (128,000 ctx) | 2026-09-06 |
| medium | deprecated | azure/eu/gpt-4o-2024-11-20: deprecation announced for 2027-04-14 — in 245 days | 2026-08-12 |
| medium | deprecated | azure/global-standard/gpt-4o-2024-11-20: deprecation announced for 2027-04-14 — in 245 days | 2026-08-12 |
| medium | deprecated | azure/global/gpt-4o-2024-11-20: deprecation announced for 2027-04-14 — in 245 days | 2026-08-12 |
| medium | deprecated | azure/gpt-4o-2024-11-20: deprecation announced for 2027-04-14 — in 245 days | 2026-08-12 |
| medium | deprecated | azure/us/gpt-4o-2024-11-20: deprecation announced for 2027-04-14 — in 245 days | 2026-08-12 |
| medium | deprecated | azure/eu/gpt-4o-2024-11-20: retires 2027-04-14 (in 245 days) | 2026-08-12 |
| medium | deprecated | azure/global-standard/gpt-4o-2024-11-20: retires 2027-04-14 (in 245 days) | 2026-08-12 |
| medium | deprecated | azure/global/gpt-4o-2024-11-20: retires 2027-04-14 (in 245 days) | 2026-08-12 |
| medium | deprecated | azure/gpt-4o-2024-11-20: retires 2027-04-14 (in 245 days) | 2026-08-12 |
| medium | deprecated | azure/us/gpt-4o-2024-11-20: retires 2027-04-14 (in 245 days) | 2026-08-12 |
| info | deprecated | azure/eu/gpt-4o-2024-11-20: retires 2026-03-01 (153 days ago) | 2026-08-01 |
| info | deprecated | azure/global-standard/gpt-4o-2024-11-20: retires 2026-03-01 (153 days ago) | 2026-08-01 |
| info | deprecated | azure/global/gpt-4o-2024-11-20: retires 2026-03-01 (153 days ago) | 2026-08-01 |
| info | deprecated | azure/gpt-4o-2024-11-20: retires 2026-03-01 (153 days ago) | 2026-08-01 |
| info | deprecated | azure/us/gpt-4o-2024-11-20: retires 2026-03-01 (153 days ago) | 2026-08-01 |
| info | modified | [source artifact — 6 providers changed identically on the same day] gpt-4o-2024-11-20: capabilities lost service_tier | 2026-06-27 |