
OpenAI's decision to introduce advertising into ChatGPT has turned a long-simmering financial question into an urgent one: How long can the company sustain its current path? The AI sector continues to absorb tens of billions of pounds in spending as companies race to build larger models and the infrastructure required to run them, backed by promises of future profits that remain largely theoretical.
While investors have so far supported high valuations, turning that confidence into reliable revenue has proven difficult for most firms, particularly those without established businesses to fall back on.