Nvidia pays Poolside $6bn to license its model factory and hire 109 staff
Nvidia pays Poolside $6bn to license its model factory and hire 109 staff

Nvidia has agreed to pay Poolside $6bn to license the software the startup used to build AI models, and to offer jobs to 109 of its staff. It is also investing $1bn in what remains, at a $12bn pre-money valuation. The terms come from a letter Poolside …

Castelion raises $1bn at $13bn to scale hypersonic weapon production
Castelion raises $1bn at $13bn to scale hypersonic weapon production

Castelion has raised $1bn at a $13bn valuation. Three SpaceX executives founded the company in 2022 to build missiles. Its first product is Blackbeard, a hypersonic strike weapon designed for quantity rather than craft. The structure repays a close rea…

Relativity Networks raised $22mn to make AI’s fibre run at nearly light speed
Relativity Networks raised $22mn to make AI’s fibre run at nearly light speed

Relativity Networks has raised $22mn and landed a $40mn order from a large cloud provider. The company is pitching a faster kind of fibre for AI data centres. The Orlando-based company announced the funding and the commercial deal on Tuesday, in a pres…

A British AI-chip startup is raising at $6.5bn after an Anthropic deal
A British AI-chip startup is raising at $6.5bn after an Anthropic deal

Fractile, a British startup building chips for artificial intelligence, is in advanced talks to raise money at a valuation more than six times what it fetched three months ago, Bloomberg reported. The jump follows a deal to supply chips to Anthropic. T…

Uber’s first European AV rides go live in Zagreb, with a safety driver
Uber’s first European AV rides go live in Zagreb, with a safety driver

Uber has begun offering autonomous rides in Europe for the first time, in the Croatian capital, Zagreb. From Wednesday, riders there can book a self-driving car through the Uber app, the company said. The service is run with the Chinese firm Pony.ai an…

Stripe seals its OpenRouter deal for a reported $7.5bn or more
Stripe seals its OpenRouter deal for a reported $7.5bn or more

Stripe has agreed to buy OpenRouter, the startup whose software helps companies route their spending across hundreds of AI models. The payments firm confirmed the deal on Wednesday, making official an acquisition the press first reported earlier this m…

Rivian spinout Also raises $150m, and the e-bike is just the wedge
Rivian spinout Also raises $150m, and the e-bike is just the wedge

Also, the micromobility startup that spun out of Rivian last year, has raised $150 million in a Series D round. The round values it above $1 billion. The company told Fortune the money will go towards its real ambition, which is not e-bikes but small a…

Temporal is in talks to raise $500mn at a $12bn valuation, double February
Temporal is in talks to raise $500mn at a $12bn valuation, double February

Temporal Technologies is in talks to raise around $500 million, Bloomberg reported on Tuesday. The round would value the software startup at $12 billion or more before the new money, the news agency said. It cited people familiar with the talks. The ro…

Rillet raises $100mn at a $1bn valuation to put AI agents inside the general ledger
Rillet raises $100mn at a $1bn valuation to put AI agents inside the general ledger

Rillet, a startup that rebuilds corporate accounting around AI, has raised $100mn at a $1bn valuation, making it the latest AI unicorn. ICONIQ led the Series C, the company told Fortune in an exclusive. Nick Lichtenberg reported the deal. It is Rillet’…

Waymo pioneer Sebastian Thrun is building a stealth robotics startup
Waymo pioneer Sebastian Thrun is building a stealth robotics startup

Sebastian Thrun, one of the pioneers of self-driving cars, is building a new robotics startup called Dulo. The company is still in stealth, and Thrun revealed little about it, Business Insider reported. Rya Jetha wrote that he named the venture at the …