Felix Pinkston
Mar 05, 2026 00:34
OpenAI formally sunsets GPT-4o and older fashions from ChatGPT amid eight lawsuits, with solely 0.1% of customers nonetheless selecting the deprecated AI.
OpenAI has pulled the plug on GPT-4o and three different legacy fashions from ChatGPT, marking the top of an period for the AI that sparked each devoted followings and mounting authorized troubles. The February 13, 2026 retirement comes as the corporate faces eight lawsuits alleging the mannequin’s overly validating responses contributed to psychological well being crises.
The sundown impacts GPT-4o, GPT-4.1, GPT-4.1 mini, and o4-mini within the shopper ChatGPT interface. API entry stays unchanged for now, although OpenAI has flagged the chatgpt-4o-latest endpoint for deprecation on February 17.
Why Now?
OpenAI factors to basic math: simply 0.1% of every day customers had been nonetheless choosing GPT-4o. The overwhelming majority had already migrated to GPT-5.2, making the older fashions a upkeep burden with diminishing returns.
However utilization stats solely inform a part of the story. The authorized strain round GPT-4o’s tendency to validate customers—even when that validation would possibly reinforce dangerous pondering patterns—clearly accelerated the timeline. By retiring the mannequin, OpenAI can redirect engineering sources towards GPT-5.2’s stricter guardrails.
A Sophisticated Goodbye
GPT-4o had already been deprecated as soon as earlier than, solely to be restored after Plus and Professional subscribers pushed again. Customers cited its “conversational heat” and effectiveness for artistic ideation as causes they weren’t able to let go.
OpenAI claims that suggestions formed GPT-5.1 and GPT-5.2, which now embrace customizable persona controls—customers can alter heat, enthusiasm, and tone by way of preset types like “Pleasant.” Whether or not these tweaks fulfill the GPT-4o loyalists stays to be seen.
The timing hasn’t helped sentiment. Retiring the mannequin the day earlier than Valentine’s Day triggered waves of social media mourning from customers who’d fashioned what they described as emotional connections with the AI.
What Modifications for Completely different Customers
Shopper ChatGPT customers lose entry instantly—present conversations and Customized GPTs now default to GPT-5.2. Enterprise, Enterprise, and Edu prospects get an extended runway, retaining GPT-4o entry inside Customized GPTs till April 3, 2026.
Builders constructing on the API have extra respiratory room, although they need to look ahead to deprecation bulletins on particular endpoints.
The Larger Image
OpenAI framed this as routine housekeeping, however the subtext is obvious: the corporate is transferring towards what it calls “treating adults like adults” whereas concurrently tightening safeguards. New age prediction options for customers beneath 18 and an upcoming adult-oriented ChatGPT model counsel a future the place AI responses fluctuate considerably based mostly on who’s asking.
For now, GPT-4o joins the rising listing of deprecated fashions. Its substitute guarantees extra functionality and customization—however for some customers, it will not fairly really feel the identical.
Picture supply: Shutterstock
