StepFun API Models & Pricing
5 StepFun models tracked with official API pricing and benchmark scores, refreshed daily.
Intelligence vs. price
StepFun models with a published blended price and an Intelligence Index score (4 of 5). Hover a point for the model name, click to open its page.
All StepFun models
| Model | Released | In $/1M | Out $/1M | Blended | Intelligence | Coding | Tok/s |
|---|---|---|---|---|---|---|---|
| Step 5 Preview | 2026-09-18 | 1.00 | 2.70 | 1.425 | 43.7 | — | 201 |
| Step 3.7 Flash | 2026-05-29 | 0.20 | 1.15 | 0.438 | 19.5 | 39.6 | — |
| Step 3.5 Flash 2603 | 2026-04-02 | 0.10 | 0.30 | 0.15 | 17.0 | — | — |
| Step 3.5 Flash | 2026-02-02 | 0.10 | 0.30 | 0.15 | 16.6 | — | — |
| Step3 VL 10B | 2026-01-20 | — | — | — | 7.7 | — | — |
Prices are StepFun's official list prices in USD per 1M tokens. See third-party resale listings for reseller prices from a public-marketplace snapshot — not official pricing. See the full model directory to compare across all providers.