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All stepfun models with live pricing and benchmark data.
2
indexed models
2
total catalog
$1.000
cheapest model
0
free / open source
| Model | Input $/1M | Output $/1M | Context | |
|---|---|---|---|---|
StepFun: Step 5 Preview Step 5 Preview is StepFun's flagship model for agentic work, built on a sparse Mixture-of-Experts architecture (27B active / 600B total parameters). It performs strongly in software engineering and professional... | $1.000 | $2.700 | 1.048576M | |
StepFun: Step 3.5 Flash Step 3.5 Flash is StepFun's most capable open-source foundation model. Built on a sparse Mixture of Experts (MoE) architecture, it selectively activates only 11B of its 196B parameters per token.... | — | — | 262k |
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