Step 5 Preview vs Step 2 (16K)
Step 5 Preview is cheaper on output tokens, while Step 5 Preview offers a larger context window. Choose Step 5 Preview or Step 2 (16K) based on the trade-off between cost, context, and the benchmarks that matter for your use case.
| Spec | Step 5 Preview | Step 2 (16K) |
|---|---|---|
| Provider | StepFun (Global) | StepFun (Global) |
| Input / 1M tokens | $1.00 | $5.21 |
| Output / 1M tokens | $2.70 | $16.44 |
| Context window | 1M | 16K |
| Parameters | — | — |
| Open weights | No | No |
| Released | Sep 2026 | Jan 2025 |
FAQ
Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.