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StepFun models

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stepfun/step-5-preview
1M
$1/M
$2.70/M
0.7 s99 tps
Read$0.05/M
—
—09/20/2026
stepfun/step-3.7-flash
256K
$0.20/M
$1.15/M
1.7 s91 tps
Read$0.04/M
—
+2
—05/28/2026