S
Step 3.7 Flash
StepFun
🧠 Language Model
StepFun's multimodal flagship reasoning model.
Specifications
Input modalitiestext
Output modalitiestext
Capabilitiestools, reasoning
Relative speed●●●●○ Fast
Context window256,000 tokens
Max output16,384 tokens
Vision inputNo
Tool callingYes
Streaming outputYes
Input price$0.35 / 1M
Output price$2.01 / 1M
Pricing
$0.35 / 1M input tokens · $2.01 / 1M output tokens
Platform credit pricing — live rates on the Models page.