OpenAI announced the debut of GPT 4.5 on Thursday. The new model is its largest yet, and a a step change improvement over its predecessor GPT 4, according to the company. It will go live for Pro users on Thursday, followed by Plus, Enterprise, Team, and Edu next week.For OpenAI, GPT 4.5 is an answer those questioning whether foundational research labs have hit a wall scaling up these models.“GPT 4.5 really is proof that we can continue the scaling paradigm,” Mark Chen, OpenAI’s chief research of...