OpenAI rolls out GPT-4.5 to Pro users only, faces shortage of GPU horsepower

Why it matters: If you use ChatGPT and have noticed its slow response time, OpenAI just confirmed that it is due to a lack of processing power. The company is scrambling to install thousands of GPUs by next week, with hundreds of thousands more "coming soon." In the meantime, the shortage has prompted the company to slow-roll the release of GPT-4.5. OpenAI just released GPT-4.5, but average users won't have access yet. The model is only available on the company's $200/month Pro tier. OpenAI CEO Sam Altman explained that the plan was to release the model simultaneously on Plus and Pro subscriptions. However, a shortage of GPUs has forced the company to stagger its release. GPT-4.5 is ready! good news: it is the first model that feels like talking to a thoughtful person to me. i have had several moments where i've sat back in my chair and been astonished at getting actually good advice from an AI. bad news: it is a giant, expensive model. we... – Sam Altman (@sama) February 27, 2 ... Read full article.