This is known as test-time scaling, and models that use it (GPT-4o1 to GPT-4o3) are better at problem solving, and bring AI closer to human intelligence on an academic level. It cost OpenAI around ...

OpenAI CEO Sam Altman recently addressed the future of ChatGPT, confirming that a GPT-5 upgrade is coming later this year. Before that, we’ll get GPT-4.5, an upgraded model expected to arrive in ...