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StepFun models

2models tracked · ranked by intelligence, speed & price

Quick answer · Updated June 2026

StepFun's smartest model is Step 3.7 Flash (42.6 on the Intelligence Index), its fastest is Step 3.5 Flash at 43 tokens/sec, and its cheapest is Step 3.5 Flash at $0.090 per million input tokens. All 2 StepFun models are compared below by intelligence, speed, latency, context and price.

Smartest
42.6
stepfun/step-3.7-flash
Fastest
43 t/s
stepfun/step-3.5-flash
Cheapest
$0.090/M
stepfun/step-3.5-flash
ModelIntelIn $/MContext
step-3.7-flash
ReasoningToolsJSON+1
42.6$0.200256K
step-3.5-flash
ReasoningToolsJSON
37.8$0.090262K