OpenAI's CEO, Sam Altman, has announced plans to enhance the efficiency of GPT-4.5, which is expected to significantly increase usage limits. This follows a previous statement where Altman indicated that the leap from GPT-4 to GPT-5 would be comparable to the transition from GPT-3 to GPT-4. Additionally, OpenAI's user base has surged to 400 million weekly active users, reflecting a substantial increase in engagement over recent weeks. Altman also mentioned that the company is currently facing a shortage of GPUs, with plans to add tens of thousands in the coming week and hundreds of thousands more soon after. The integration of the GPT models with the