Heat pump startup Quilt raises $20M Series B to expand sales

Quilt, the startup based in Redwood City, California, that’s created sleek, customizable heat pumps, has raised $20 million in a Series B round that closed recently. The company previously raised a $33 million Series A, which it announced in April 2024. The new round was led by Energy Impact Partners and Galvanize with participation from …
Continue reading Heat pump startup Quilt raises $20M Series B to expand sales

This tiny AI startup just crushed Google’s Gemini 3 on a key reasoning test — here’s what we know

Since Gemini 3 made its debut, it has successfully held the top spot on the LMArena leaderboard. This leaderboard is a crowdsourced ranking where thousands of real users compare AI models head-to-head across a wide range of tasks, voting on which response is better. But when it comes to reaching the toughest reasoning benchmarks, there’s …
Continue reading This tiny AI startup just crushed Google’s Gemini 3 on a key reasoning test — here’s what we know

Meta acquires AI device startup Limitless

Limitless, the AI startup formerly known as Rewind, has been acquired by Meta, the company announced Friday on its website. The company, which made an AI-powered pendant to record your conversations, says it will no longer sell its hardware devices and will maintain support for its existing customers for a year. Customers will no longer …
Continue reading Meta acquires AI device startup Limitless

This startup built a Fitbit for your brain to combat chronic stress

Antonio Forenza was working as head of research and development at Rakuten Symphony, a telecom subsidiary of the Japanese conglomerate, when he realized that he needed to find a better way to manage his stress levels. A few years earlier, he had lost 40 pounds with the help of an Apple Watch, which counted steps …
Continue reading This startup built a Fitbit for your brain to combat chronic stress

Sources: AI synthetic research startup Aaru raised a Series A at a $1B ‘headline’ valuation

Aaru, a startup that provides near-instant customer research by using AI to simulate user behavior, has raised a Series A led by Redpoint Ventures, according to three people familiar with the deal. The funding round included different valuation tiers, these people said. Although some equity was acquired at a $1 billion valuation, a lower valuation …
Continue reading Sources: AI synthetic research startup Aaru raised a Series A at a $1B ‘headline’ valuation

How one AI startup is helping rice farmers battle climate change

Fixing climate change is no small task — just ask carbon removal developers like Mitti Labs. The New York-based startup has developed technology to measure how much methane is released by rice paddies and uses it to train hundreds of thousands of farmers in climate-friendly practices. It’s the sort of high-touch endeavor that venture capitalists …
Continue reading How one AI startup is helping rice farmers battle climate change