ChatGPT 4o faithful want their weird little AI friend back. GPT-5.5 is giving them hope.

ChatGPT 4o faithful want their weird little AI friend back. GPT-5.5 is giving them hope.

Jaap Arriens/NurPhoto via Getty Images

For some ChatGPT users, February 13 was dark. That was the day OpenAI finally retired ChatGPT 4o, the model beloved for its engaging and vibrant — some said sycophantic — personality.

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