StepFun: Step 5 Preview vs StepFun: Step 3.5 Flash
StepFun: Step 3.5 Flash is cheaper on output tokens, while StepFun: Step 5 Preview offers a larger context window. Choose StepFun: Step 5 Preview or StepFun: Step 3.5 Flash based on the trade-off between cost, context, and the benchmarks that matter for your use case.
| Spec | StepFun: Step 5 Preview | StepFun: Step 3.5 Flash |
|---|---|---|
| Provider | StepFun | StepFun |
| Input / 1M tokens | $1.00 | $0.10 |
| Output / 1M tokens | $2.70 | $0.30 |
| Context window | 1M | 262K |
| Parameters | — | — |
| Open weights | — | Yes |
| Released | — | Jan 2026 |
FAQ
Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.