OpenAI Offers GPT-4.5 With 40% Fewer Hallucinations, 30x Higher Cost

The rapid release of advanced AI models in the past few days has been impossible to ignore. With the launch of Grok-3 and Claude 3.7 Sonnet, two leading AI companies, xAI and Anthropic, have significantly accelerated the pace of innovation in the field. As rumours about OpenAI’s newest model circulated, anticipation surged. However, when GPT-4.5 was released, OpenAI said it wasn’t a frontier model and was less powerful than the company’s o3-mini model and many others in the competition.  It doesn’t excel in coding, reasoning, or any such capabilities, either—because it isn’t meant to be. At this time, OpenAI has focused more on the model's usability than anything else.  Fewer Hallucinations on GPT-4.5  OpenAI tested GPT-4.5 on the SimpleQA benchmark,