StepFun API pricing and price changes
3 StepFun models we price today. Since Mar 26, 2024 we recorded 0 list-price changes on OpenRouter: 0 cuts and 0 increases.
StepFun models
| Model | Chat answer | In / out per 1M | Released |
|---|---|---|---|
 Step 5 Preview | 0.45¢$4.47 / 1,000 | $1.00 / $2.70 | Oct 8, 2026 |
Step 3.7 Flash | 0.19¢$1.90 / 1,000 | $0.20 / $1.15 | May 28, 2026 |
Step 3.5 Flash | 0.05¢$0.54 / 1,000 | $0.10 / $0.30 | Jan 30, 2026 |
Price change log
Changes of at least 5% in the OpenRouter list price, detected between weekly snapshots (Internet Archive copies of the public model list before October 2026, our daily pulls after). For open-weight models a change can mean a different cheapest host.
No list-price changes recorded.