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StepFun joins the frontier: a previously non-frontier Chinese lab (StepFun) released a Kimi K3-level model, 3 times cheaper per Artificial Analysis

So the race, despite everything, continues. StepFun releases Step 5 Preview, scoring equally to Kimi K3 (max) (44), at 1/3 the price, and stands firmly on the Pareto line of cost/intelligence. Scoring and pricing. Pareto line appearance. However, as a closed-source model, it remains to be seen how…

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  1. 2026-09-19 05:18 · r/singularity
    StepFun joins the frontier: a previously non-frontier Chinese lab (StepFun) released a Kimi K3-level model, 3 times cheaper per Artificial Analysis

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