OpenAI has confirmed that it's retiring ChatGPT's most popular model called GPT-4o and several other models, including GPT-5 Instant, GPT-5 Thinking, GPT-4.1, GPT-4.1 mini, and o4-mini.

From time to time, OpenAI removes older models from ChatGPT’s model picker, as users become accustomed to newer ones. Here ...

How custom GPTs can be used in SEO, with example prompts for planning, analysis, reporting, and technical work.

In a post, the AI giant announced that on February 13, GPT-4o and several other AI models will be retired from ChatGPT. These include GPT-5 Instant, GPT-5 Thinking, GPT-4.1, GPT-4.1 mini, and o4-mini.

It's been framed as part of a broader model lineup refresh timed with “the previously announced retirement” of GPT-5 (Instant and Thinking) within ChatGPT.

Free ChatGPT users shouldn't notice much of a change, but some devoted 4o users are already clearly disgruntled.

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OpenAI has released GPT-5.2, claiming significant gains in the AI model’s ability to complete real-world business tasks to an “expert level” compared to GPT-5.1, released in November. The new model, ...

Dec 11 (Reuters) - OpenAI on Thursday launched its GPT-5.2 artificial intelligence model, after CEO Sam Altman reportedly issued an internal "code red" in early December pausing non‑core projects and ...