Sam Altman and Jony Ive say mystery product created by their partnership will be the coolest thing ever

Everything over the last 30 years, according to Sir Jony Ive, has led to this moment: a partnership between the iPhone designer and the developer of ChatGPT.

Ive has sold his hardware startup, io, to OpenAI and will take on creative and design leadership across the merged businesses. “I have a growing sense that everything I have learned over the last 30 years has led me to this place, to this moment,” he says in a video announcing the $6.4bn (£4.8bn) deal.

Analysis comes as energy agency predicts systems will need as much energy by end of decade as Japan uses today

Artificial intelligence systems could account for nearly half of datacentre power consumption by the end of this year, analysis has revealed.

The estimates by Alex de Vries-Gao, the founder of the Digiconomist tech sustainability website, came as the International Energy Agency forecast that AI would require almost as much energy by the end of this decade as Japan uses today.