RETIRING IN 196 DAYS
Sunset scheduled for 2027-04-14, published in the provider's own documentation. The identifier still resolves today.
state=dying sunset=2027-04-14 days_remaining=196 severity=high sources=docs,litellm,openrouter evidence_tier=documentation confirmed_by_endpoint=false documented_by_provider=docs replacement=none corroborated=yes divergent_fields=none checked=2026-09-30 15:40Z
openai/gpt-4.1
Vendor: openai. Tracked by 3 of 5 sources.
What each source reports
| Source | ID | Context | Max out | In $/Mtok | Out $/Mtok | Sunset |
|---|---|---|---|---|---|---|
| docs | gpt-4.1 | — | — | — | — | 2027-10-14 |
| litellm | azure/gpt-4.1 | 1,047,576 | 32,768 | $2 | $8 | 2027-04-14 |
| openrouter | openai/gpt-4.1 | 1,047,576 | 32,768 | $2 | $8 | — |
Change history
| Severity | Change | What | Detected |
|---|---|---|---|
| low | modified | openrouter/openai/gpt-4.1: capabilities gained web_search | 2026-09-19 |
| low | modified | openrouter/openai/gpt-4.1: capabilities gained pdf_input | 2026-09-18 |
| medium | deprecated | azure/eu/gpt-4.1: deprecation announced for 2027-04-14 — in 208 days | 2026-09-18 |
| medium | deprecated | azure/us/gpt-4.1: deprecation announced for 2027-04-14 — in 208 days | 2026-09-18 |
| medium | deprecated | azure/eu/gpt-4.1: retires 2027-04-14 (in 208 days) | 2026-09-18 |
| medium | deprecated | azure/us/gpt-4.1: retires 2027-04-14 (in 208 days) | 2026-09-18 |
| low | added | new model azure/eu/gpt-4.1 | 2026-09-16 |
| low | added | new model azure/us/gpt-4.1 | 2026-09-16 |
| medium | deprecated | azure/gpt-4.1: deprecation announced for 2027-04-14 — in 236 days | 2026-08-21 |
| medium | deprecated | azure/gpt-4.1: retires 2027-04-14 (in 236 days) | 2026-08-21 |
| medium | deprecated | gpt-4.1: retires 2027-10-14 (in 439 days) | 2026-08-01 |
| low | added | new model gpt-4.1 | 2026-08-01 |
| medium | removed | [one catalog only — docs, litellm, openrouter still list it] gpt-4.1 is no longer listed by this source — calls to it are expected to fail | 2026-08-01 |
| info | modified | [source artifact — 6 providers changed identically on the same day] gpt-4.1: capabilities lost service_tier | 2026-06-27 |