gpt-5.1

gpt-5.1 (OpenAI) shuts down Apr 1, 2027 (in 160 days). OpenAI recommends gpt-6-sol instead.

Provider

OpenAI

Shutdown

Apr 1, 2027 (in 160 days)

Announced

Oct 1, 2026

Replace with

gpt-6-sol

Also written as

gpt-5.1-2025-11-13

Source: https://developers.openai.com/api/docs/deprecations · report a wrong date