Not Quantum, Just Physics: What Extropic's Z1 Actually Means for AI

While dipping my toes in Italian waters during my summer holidays, the Extropic's Z1 announcement was made. Let me explain what the chip actually does, then get into why the "did they build a room-temperature quantum computer" questions, and then the part I actually think matters, which is what this does to the economics of running AI models if it works at scale.

What people think they're looking at

I've now had a version of this conversation enough times that I can predict the exact phrasing. Someone forwards a clip of Guillaume Verdon talking about the Z1, or a tweet about "thermodynamic computing," and the message attached is always some version of "wait, is this the quantum computer thing?" It's not a dumb question. The company was built by someone whose entire prior career was quantum computing, TensorFlow Quantum, quantum machine learning research at Google, all of it before Extropic...

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