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The Dragon in the Garage and the Age of Infinite Certainty

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  Copyright: Sanjay Basu Carl Sagan gave us one of the cleanest mental tools ever built. It looks simple. Almost childish. A person says there is a dragon in the garage. You go to see it. You find nothing. Then the claims begin to shift. The dragon is invisible. It floats. It breathes heatless fire. It leaves no tracks. It cannot be detected by any instrument. Every test fails. Every test is answered with a patch. At first it sounds like a joke. It is not a joke. It is a diagnosis. Sagan was not merely making fun of superstition. He was doing something harder. He was showing how bad thinking survives. He was showing how belief protects itself when reality refuses to cooperate. That little dragon has grown up since Sagan wrote about it. It now has Wi Fi, a ring light, and a premium subscription. It lives on social media. It appears in politics. It appears in health claims. It appears in investment scams. It appears in AI hype. It appears in our family WhatsApp groups before breakfas...
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The Hidden Tax of Multi-Vendor GPU Infrastructure

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Copyright: Sanjay Basu AI, Minus the Marketing (Substack Newsletter) Why the Hardest Problems in Heterogeneous Accelerator Deployments Have Nothing to Do with Compute By Dr. Sanjay Basu Everyone is buying GPUs. Not everyone is thinking about what happens after they arrive. The enterprise AI playbook in 2025 reads like a procurement arms race. NVIDIA Blackwell. AMD MI300X. Intel Gaudi 3. Custom ASICs from Google and Amazon. The options are multiplying faster than the engineering teams tasked with making them work together. And somewhere between the vendor pitch deck and the first production training run, a quiet realization sets in. The hard part was never choosing the hardware. The hard part is making it behave like a single coherent system. I spend my days building GPU cloud infrastructure. I have watched teams spend months optimizing a training pipeline on one accelerator type, only to discover that porting to a second vendor's hardware isn't a weekend project. It's an ar...
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