Forty Four on the Index, One Fifth the Price: StepFun's Six Hundred Billion Parameter Bid at the Frontier, September 20, 2026 Shanghai startup StepFun released Step 5 Preview, a six hundred billion parameter sparse mixture of experts model that ties Kimi K3 on the Artificial Analysis Intelligence Index while charging less than a fifth of the output price. Rick Spair and Laura dig into the architecture, the benchmark numbers, the verbosity problem hiding behind that attractive per token price...
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DX Today AI Daily Brief - Sunday, September 20, 2026
Twenty Six Percent and One in Forty Seven Thousand: Inside the Index Where AI Builds AI, September 19, 2026
DX Today AI Daily Brief - Saturday, September 19, 2026
Fifty Million Dollars Per Policy, Eighty Two Percent Excluded: Who Pays When an AI Agent Gets It Wrong, September 18, 2026
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