Frontier RL compute is shockingly cheap: 50 scale units prompt questions about what labs actually spend

teortaxesTex · x · 2026-09-23

teortaxesTex reflects on frontier AI training costs: a quoted figure covers just 50 "scale units," and while DSec's exact count is unknown ("more than one"), they clearly have the GPUs. He finds the whole setup surprisingly cheap and asks what frontier labs are actually doing — quadrillions of output tokens in RL every day?

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