OpenAI model lineup updated
OpenAI has deprecated the o3 and o4-mini reasoning models. Both have been removed from the model picker. If you had either set as your default, your AI provider will automatically use GPT-5.4 (for o3) or GPT-5 Mini (for o4-mini) instead — reasoning is now built into the GPT-5 family via the reasoning effort setting (low/medium/high).