gpt-5.3-chat (2026-03-03)

gpt-5.3-chat (2026-03-03) (Azure OpenAI) was shut down on Jun 29, 2026; calls to it fail. Azure OpenAI recommends gpt-chat-latest instead.

Provider

Azure OpenAI

Shutdown

Jun 29, 2026 (already shut down)

Announced

—

Replace with

gpt-chat-latest

Provider says

Retired

• Azure identifies models by name + version; in code the string you see is usually a *deployment name* chosen by the user, so match on model name + version in deployment configs/IaC. Azure model names differ from OpenAI's (e.g. 'gpt-35-turbo').

Source: https://learn.microsoft.com/en-us/azure/foundry/openai/concepts/model-retirement-schedule · report a wrong date