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Analysis and Technology

Is OpenAI hitting a wall with huge and expensive GPT-4.5 model?

Some researchers think OpenAI's giant and expensive latest model is a sign that tech companies cannot keep making progress by continually scaling up

By Matthew Sparkes

28 February 2025

GPT-4.5 is OpenAI’s latest chatbot model

CFOTO/Future Publishing via Getty Images

OpenAI has unveiled its latest AI model, GPT-4.5, but the firm’s boss says it is running out of hardware to power it. If ever-larger AI can no longer be run at scale, then are we looking at the end of the technology’s rapid progress, and perhaps even the bursting of a bubble?

There are certainly signs that things aren’t going as planned within OpenAI. As recently as 12 February, CEO Sam Altman that the company’s product offering had created a confusing picture – at the…

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