Model and API retirements

Within 30 days64Firm dates ahead558

64 within 30 days · 558 firm dates ahead

gpt-4.5-preview retirement date and replacement

OpenAI API · Model · retired Jul 14, 2025 (retired)

Vendor page

Dates

Checked Nov 9, 2026 on OpenAI's page
RetiredJul 14, 2025 (retired)
AnnouncedApr 14, 2025
Replacementgpt-4.1
What it isgpt-4.5-preview stopped answering on OpenAI API.
Sourcedevelopers.openai.com/api/docs/deprecations

Around the same time on OpenAI API

OpenAI
OpenAI APIModel

gpt-4-32k

Stopped answering on OpenAI API.

retiredJun 6, 2025
OpenAI APIModel

gpt-4-32k-0314

Stopped answering on OpenAI API.

retiredJun 6, 2025
OpenAI APIModel

gpt-4-32k-0613

Stopped answering on OpenAI API.

retiredJun 6, 2025
OpenAI APIModel

o1-preview

Stopped answering on OpenAI API.

retiredJul 28, 2025