OpenAI has announced the retirement of GPT-4.5, its last remaining GPT-4 model, with the phase-out set to conclude by the end of June 2026.
The decision was revealed in release notes for ChatGPT
May 30, 2026
11:00 am
What's the storyOpenAI has announced plans to retire its last-generation ChatGPT model, GPT-4.5, on June 27.
The decision was revealed in the company's recent release notes for ChatGPT.
GPT‑4o is beloved by some users because of its warm conversational style
OpenAI has announced GPT-5 will replace all models on ChatGPT. Many users are mourning the workhorse model.
Despite the strong reaction, OpenAI had in fact already announced the plan to deprecate GPT-4.5 Preview back in April 2025.
OpenAI is updating GPT-5.5 Instant for more natural responses and dropping the Canvas feature from its latest models. Writing and…
The feature, which let you edit code or text side-by-side with ChatGPT, will no longer be available with GPT-5.5 Instant or…
After an outcry, OpenAI swiftly rereleased 4o to paid users. But experts say it should not have removed the model so suddenly.
