Inside Amazon’s stealthy chip lab powering its $8 billion AI bet on Anthropic

“Sorry it’s kind of messy, because we're mad scientists here,” joked Rami Sinno, engineering director at Annapurna Labs. 

Inside Annapurna’s Austin hub, I’m touring the nerve center of what was once a tiny Israeli chip startup—snapped up by Amazon for $350 million in 2015—that’s now powering the tech giant’s AI ambitions. 

I’m led into two gear-filled garages overflowing with circuit boards, server racks, and testing equipment. One room is a quiet workshop, with an engineer...