OpenAI’s GPT-4.5 faces backlash over high costs, limited improvements, and rising competition from open-source AI models.

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

The release of OpenAI’s biggest model ever exposes the tension between building artificial general intelligence and making ...

OpenAI CEO Sam Altman has announced that GPT-4.5 will "likely" begin rolling out to ChatGPT Plus subscribers "over a few days ...

OpenAI has unveiled its latest AI model, GPT-4.5, but the firm’s boss says it is running out of hardware to power it. If ever-larger AI can no longer be run at scale, then are we looking at the ...

Sam Altman’s OpenAI released GPT-4.5, an upgraded version of the artificial intelligence model that powers ChatGPT, to select ...

On Thursday, OpenAI released what it claims to be its largest and most powerful model to date: GPT-4.5. OpenAI CEO Sam Altman described it in a post on X on Thursday as "the first model that feels ...

ChatGPT-maker OpenAI’s upcoming model could be as much as 20 times more costly than its predecessor but will be far more creative and “natural” in its conversational style, according to ...

Feb 27 (Reuters) - ChatGPT developer OpenAI said on Thursday it has released a research preview of its latest GPT-4.5 model for its Pro users and developers worldwide, with plans to expand access in ...

OpenAI CEO Sam Altman has announced plans to streamline the company's AI offerings and provided details on the upcoming releases of its GPT-4.5 and GPT-5 large language models. GPT-4.5 will be ...

Artificial intelligence powerhouse OpenAI announced its latest chat model Thursday, starting a limited roll out of GPT-4.5, which OpenAI chief Sam Altman called a “giant” and “expensive ...