StepFun Parameter Count (600B)
StepFun's largest listed model is Step 5 Preview at 600B parameters.
Data sourced from OpenRouter API and manual data collection | Last updated: Nov 3, 2026, 8:01 AM UTC
Mixture-of-experts models
| Model Name | Total | Active | Size Score | |
|---|---|---|---|---|
| 600B | 27B | 69 |
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Dense models
| Model Name | Total | Active | Size Score | |
|---|---|---|---|---|
| 196B | Undisclosed | 57 | ||
| 196B | Undisclosed | 57 |
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Frequently asked questions
How many parameters do StepFun models have?
StepFun's largest listed model is Step 5 Preview at 600B parameters.