SunsetDiff

Is o4-mini being deprecated?

The official status is deprecated. | (o4-mini) shuts down on 2026-10-23 per OpenAI's deprecation page (checked 2026-10-17). The official replacement is gpt-5.6-terra.

Model page · o4-mini shutdown date · OpenAI · Deadlines

Questions

Is o4-mini being deprecated?

The official status is deprecated. | (o4-mini) shuts down on 2026-10-23 per OpenAI's deprecation page (checked 2026-10-17). The official replacement is gpt-5.6-terra.

When is o4-mini shut down?

| (o4-mini) shuts down on 2026-10-23 per OpenAI's deprecation page (checked 2026-10-17).

What replaces o4-mini?

The official replacement is gpt-5.6-terra.

Sources