The number of companies developing AI processor chips now numbers well over a hundred, according to new research.

Grow a new Arm: UK advisory body wants investment in local AI chips

Ever since OpenAI unleashed ChatGPT over two years ago, interest in training and deploying AI models has ballooned, with graphics processing units (GPUs) becoming the accelerator of choice to drive all that effort, particularly those manufactured by US chip biz Nvidia.

But these are not the only options when it comes to AI training or especially inference – the actual use of the trained models – with other options available such as the neural processing units (NPUs) embedded in some desktop and laptop CPUs.

Other manufacturers want to get in on the action, perhaps with an eye to the fact that Nvidia became

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