Step 3.7 Flash Review: We Tested StepFun's 198B Model on a DGX Spark
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FlowtivityStep 3.7 Flash Review: We Tested StepFun's 198B Model on a DGX Sparkflowtivity.aiStepFun released Step 3.7 Flash on May 29, 2026. We deployed it on our NVIDIA DGX Spark within 24 hours. 100% tool call success rate, SWE-Bench PRO 56.3, ClawEval 67.1 (first place). Here is our first-hand review with benchmark comparisons, local deployment guide, and DGX Spark performance data.
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