OpenAI to Retire Older GPT Models, Leaving GPT-5.2 as the Default for ChatGPT Users

In a move that underscores the rapid evolution of artificial intelligence, OpenAI has announced the impending retirement of several of ChatGPT’s older GPT models. Starting Friday, February 13th, the AI chatbot will no longer support GPT-4o, GPT-4.1, GPT-4.1 mini, and OpenAI o4-mini. This decision reflects the company’s ongoing efforts to streamline its offerings and focus on more advanced, efficient models.

The phased-out models, once at the forefront of conversational AI, have gradually been overshadowed by newer iterations. According to OpenAI, the vast majority of users have already migrated to GPT-5.2, the latest and most capable model in the lineup. In fact, GPT-4o—once a flagship model—is now used by a mere 0.1 percent of users on a daily basis. This sharp decline in usage made the decision to retire these older models a logical step for the company.

Interestingly, this isn’t the first time OpenAI has bid farewell to GPT-4o. The model was initially replaced by GPT-5 in August of last year, but a wave of user backlash prompted the company to reinstate it temporarily. The controversy surrounding that decision reportedly influenced the development of OpenAI’s subsequent models, leading to the creation of more refined and user-friendly versions like GPT-5.2.

For most ChatGPT users, the retirement of these older models will likely go unnoticed. The transition to GPT-5.2 has been seamless for the majority, thanks to its enhanced capabilities, faster response times, and improved accuracy. However, for those who still rely on the older models, the change may require some adjustment. OpenAI has assured users that the transition will be smooth, with ample resources and support available to help them adapt to the newer model.

This move also highlights the broader trend in the AI industry: the constant push for innovation and the inevitable obsolescence of older technologies. As AI models become more sophisticated, companies like OpenAI are prioritizing the development of cutting-edge solutions that can meet the growing demands of users. The retirement of these older models is a testament to the rapid pace of progress in the field of artificial intelligence.

For developers and businesses that have integrated these older models into their applications, the change may require some updates to their systems. OpenAI has provided detailed documentation and migration guides to facilitate this process, ensuring that the transition is as seamless as possible.

As the AI landscape continues to evolve, it’s clear that the future belongs to models like GPT-5.2, which offer unparalleled performance and versatility. While the retirement of older models may mark the end of an era, it also signals the beginning of a new chapter in the world of conversational AI.

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