
A new company wants to be the one that pays for everyone else’s AI chips. Volta Infra Holdings has raised $300m in venture funding and lined up a further $5bn in financing to help a broader range of tech firms afford Nvidia’s costly hardware, in a roun…

People tell the AI boom as a story about chips and models. Underneath it is metal. Every data centre, chip, power line and robot starts with copper and a handful of other minerals. The United States has quietly lost control of where they come from. A t…

Most of the money spent guarding AI has gone to the model and the prompt. Zenity has just raised $125m on a different argument: both miss the real danger. That danger is the AI agent that acts on its own. The Israeli startup secures what agents do once…

A company whose product is an AI that hacks your network has just tripled in value. It did so in the same week that AI hacking stopped being hypothetical. Horizon3 has raised a $250m Series E at a valuation above $2bn, up from $650m a year ago. The tim…

The AI hardware conversation is stuck on one word: compute. A startup out of Tel Aviv wants to change the word to memory. Majestic Labs, founded in 2023 by former Google and Meta engineers, has unveiled a server it says can do the work of a rack of Nvi…

Most AI companies want to sell software to call centres. Yellow.ai wants to buy the call centres. The enterprise-AI firm has agreed to go public through a merger with a blank-cheque company. It plans to spend much of the money acquiring the outsourcing…

A home-battery company that did not exist three years ago is now worth $13bn. Base Power has raised $1bn in a Series D and launched its own battery, Base Core. The bet behind the number is blunt: the grid cannot keep up with America’s power demand, and…

A South Korean chip designer few outside the industry have heard of just became a $2.2bn company. DeepX has signed the first tranche of a Series D round that values it at roughly four times its previous mark. And it is not finished raising. The first s…

The AI boom needs colossal amounts of electricity. That has turned fusion, forever mocked as “30 years away,” into one of the hottest bets in tech. The best-funded player just raised another $1 billion. Commonwealth Fusion Systems, based in Massachuset…

Most satellite startups are racing to build smaller. K2 Space is going the other way, on purpose. Investors just handed it $500 million to keep going bigger. K2 raised a $500 million Series D at a $6.8 billion valuation, it said on Thursday. Kleiner Pe…