ChatGPT Gets Another Upgrade With GPT-4.5
The last non-chain-of-thought model by the company.

OpenAI has released a ton of improvements for its chatbot, ChatGPT, in recent months, but it's been a while since we've had a core model update. While we await for GPT-5, which OpenAI seems pretty ambitious with, the company has launched a mid-step upgrade in the meantime—GPT-4.5.