@markzuckerberg
OpenAI to Retire GPT-4o, GPT-4.1, GPT-4.1 mini, and OpenAI o4-mini in ChatGPT by Tomorrow
> Says feedback from GPT-4o users helped shape GPT-5.1/5.2 with improved personality.
> “We’re announcing the upcoming retirement of GPT‑4o today because these improvements are now in place, and because the vast majority of usage has shifted to GPT‑5.2”
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