AI Startups

Sam Altman said a single person armed with AI would build a billion-dollar company. Most of us filed that under “2030 aspirational futurism.” Matthew Gallagher didn’t get the memo. He did it in 2025. From $20K to $1.8 Billion Medvi is a telehealth startup selling GLP-1 weight-loss drugs online. Two employees — Gallagher and his brother Elliot. Everything else is AI. The numbers: $401 million in revenue last year, tracking toward $1.8 billion in 2026, with a reported 16.2% net margin. That’s roughly $65 million in profit for a two-person operation. ...

When Mira Murati quietly left OpenAI in late 2024, the AI world held its breath. Now we know what she’s been building — and Nvidia just wrote a very large check to prove it matters. On Tuesday, Nvidia and Thinking Machines Lab announced a multiyear strategic partnership: a “significant investment” from Nvidia plus a commitment to deploy at least one gigawatt of next-gen Vera Rubin systems starting early 2027. Industry estimates peg the infrastructure cost at roughly $50 billion. ...

Everyone in AI is fighting the same war — bigger models, better chatbots, military contracts. Jeff Bezos looked at all of it and said: nah. His startup, Project Prometheus, launched with $6.2 billion at a $30 billion valuation, is now hunting for tens of billions more. Not to build another language model. To reshape how physical things get designed, built, and manufactured. It might be the most consequential AI bet nobody’s paying attention to. ...