S
Step 3
StepFun
🧠 Language Model
StepFun's frontier reasoning model, top-tier performance on math, code, and complex reasoning tasks. 66K context.
Specifications
ModalitiesInput: text · Output: text
Context window66K tokens
Max output16K tokens
Speed●●○○○ Relaxed
FeaturesTools: Yes Streaming: Yes Vision: No
Capabilitiestools, reasoning
Pricing
$0.3675 / 1M input tokens · $0.9625 / 1M output tokens
Platform credit pricing — live rates on the Models page.