OpenAIurgentmoderate27 days left

o4-mini

Reasoning mini line consolidates into GPT-5 mini.

DeprecatedScheduled
Shutdown2026-10-23
Statusurgent
Replacementgpt-5-mini
Action requiredProduction calls using o4-mini will fail after 2026-10-23. Update model strings and re-run integration tests before the cutoff.

Quick fix — copy & paste

Breaks on 2026-10-23

model = "o4-mini"

Use this instead

model = "gpt-5-mini"