StepFun models
2models tracked · ranked by intelligence, speed & price
Match · Updated July 2026
StepFun's smartest model is Step 3.7 Flash (30.3 on the Intelligence Index), and its cheapest is Step 3.5 Flash at $0.100 per million input tokens. All 2 StepFun models are compared below by intelligence, speed, latency, context and price.
Smartest StepFunFastest StepFunCheapest StepFunSmall & fast StepFunStepFun for codingStepFun reasoningStepFun for designStepFun for agents
Smartest
30.3
stepfun/step-3.7-flash
Fastest
—
Cheapest
$0.100/M
stepfun/step-3.5-flash
| Model | Intel | Speed | Latency | In $/M | Context |
|---|---|---|---|---|---|
| step-3.7-flash ReasoningToolsJSON+1 | 30.3 | — | — | $0.200 | 262K |
| step-3.5-flash ReasoningTools | 26.0 | — | — | $0.100 | 262K |