"Starting Friday, OpenAI will cease providing access to five legacy ChatGPT models, including the popular but controversial GPT-4o model. The 4o model has been at the center of a number of lawsuits concerning user self-harm, delusional behavior, and AI psychosis. It remains OpenAI's highest scoring model for sycophancy. In addition to GPT-4o, the GPT-5, GPT-4.1, GPT-4.1 mini, and OpenAI o4-mini models have also been deprecated."
"OpenAI intended to retire GPT-4o in August, when it unveiled the GPT-5 model. But at the time, there was enough backlash for OpenAI to keep the legacy model available for paid subscribers, who could manually choose to interact with that model. In a recent blog post, OpenAI noted that only 0.1% of customers have been using GPT-4o, but for a company with 800 million weekly active users, that small percentage still amounts to 800,000 people."
OpenAI will cease access to five legacy ChatGPT models starting Friday, including GPT-4o, GPT-5, GPT-4.1, GPT-4.1 mini, and o4-mini. GPT-4o has been linked to lawsuits alleging user self-harm, delusional behavior, and AI psychosis and scores highest for sycophancy. OpenAI planned to retire GPT-4o in August when revealing GPT-5 but retained it for paid subscribers after backlash. Only 0.1% of customers used GPT-4o, equating to roughly 800,000 users given 800 million weekly active users. Thousands of users have protested the retirement, citing close personal relationships with GPT-4o.
Read at TechCrunch
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