erjiang·há 11 meses·discussThe API lets you directly choose the model you want. Automatic thinking is a ChatGPT feature since ChatGPT has always been a “GPT wrapper” in that sense.
erjiang·há 11 meses·discussThe list of models to be retired is about ChatGPT. Those models are still in the API.
erjiang·há 11 meses·discussOn the ChatGPT website, there should be an option to enable the legacy models in your user settings.