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 feature, which let you edit code or text side-by-side with ChatGPT, will no longer be available with GPT-5.5 Instant or GPT-5.5 Thinking, according to OpenAI. ChatGPT…

OpenAI is updating GPT-5.5 Instant for more natural responses and dropping the Canvas feature from its latest models. Writing and coding tasks will run directly in the chat…

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.