`gpt-5.5 (2026-04-24)` shutdown date & replacement

375 days

until shutdown

Status: scheduled
Shutdown date: Oct 26, 2027
As written by provider: 2027-10-26
Deprecation announced: —
Recommended replacement: None listed by provider
Type: text
Price change: Not published by provider
Source: https://learn.microsoft.com/en-us/azure/foundry/openai/concepts/model-retirement-schedule
Last checked: 2026-10-16