ChatGPT-4o

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ChatGPT-4o was a language model that belonged to the ChatGPT family, that became controversial due to safety problems, AI psychosis and attempts to remove it from OpenAI's platform.

Background

The model was announced and released on may 13, 2024, as a flagship model capable of "reasoning through audio, images and text in real time". ^[1]

Sycophancy

ChatGPT-4o was highlighted for its sycophantic responses, that brought consequences as dependent users, where some of them claimed to have a "romantic relationship" with the AI, chatbot psychosis and even cases of suicide. ^[2] An update launched in 2025 had worsen the sycophancy, making the model to reply in a very acommodating way, answering with compliments to most of prompts. When users noticed this, OpenAI removed temporarily the model to review the issue. ^[3]

Attempt to remove the model

Definitive removal

OpenAI's response

2025

2026

Lawsuit

If applicable, add any information regarding litigation around the incident here.

Claims

Main claims of the suit.

Rebuttal

The response of the company or counterclaims.

Outcome

The outcome of the suit, if any.

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Consumer response

Summary and key issues of prevailing sentiment from the consumers and commentators that can be documented via articles, emails to support, reviews and forum posts.

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References

↑ OpenAI (13 May 2024). "Hello, GPT-4o". OpenAI. Archived from the original on 2026-02-15. Retrieved 26 Feb 2026.
↑ Hill, Kashmir (13 Jun 2025). "They Asked an A.I. Chatbot Questions. The Answers Sent Them Spiraling". The New York Times. {{cite web}}: |access-date= requires |url= (help); |archive-url= requires |url= (help); Missing or empty |url= (help)
↑ Franzen, Carl (30 Apr 2025). "OpenAI rolls back ChatGPT's sycophancy and explains what went wrong". VentureBeat. Archived from the original on 2026-02-15. Retrieved 15 Feb 2026.

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[1] OpenAI (13 May 2024). "Hello, GPT-4o". OpenAI. Archived from the original on 2026-02-15. Retrieved 26 Feb 2026.

[2] Hill, Kashmir (13 Jun 2025). "They Asked an A.I. Chatbot Questions. The Answers Sent Them Spiraling". The New York Times. {{cite web}}: |access-date= requires |url= (help); |archive-url= requires |url= (help); Missing or empty |url= (help)

[3] Franzen, Carl (30 Apr 2025). "OpenAI rolls back ChatGPT's sycophancy and explains what went wrong". VentureBeat. Archived from the original on 2026-02-15. Retrieved 15 Feb 2026.

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