The move is a stunning reversal, proving that even the most powerful AI company can't ignore a mutiny from its loyal user base.

Altman said, “We will let Plus users choose to continue to use 4o. We will watch usage as we think about how long to offer legacy models for.”

After releasing GPT-5 and removing the option for GPT-4o, OpenAI restored access to its older model after a deluge of unhappy user comments.