But it could be the last release in OpenAI's classic LLM lineup.

ChatGPT is getting even smarter. OpenAI has unveiled its latest model, GPT-4.5. The new model is already available to ChatGPT ...

OpenAI researchers said the new model was the company’s “best chat model yet,” citing an improved knowledge base and better ...

OpenAI rolled out a research preview of GPT-4.5, it's "largest and most knowledgeable model yet," on Thursday.

OpenAI has begun rolling out its newest and largest AI model, GPT-4.5, to users on the company's ChatGPT Plus tier.

OpenAI introduced GPT-4o, a non-reasoning model to ChatGPT users back in May 2024. Finally, over 10 months later, the hot AI ...

OpenAI has released the GPT-4.5 AI model to ChatGPT Pro subscribers, while Plus and Team users will get it next week.