# StepFun Step Plan (China) API prices

StepFun Step Plan (China) lists 5 model(s) in the Sovyron catalog, billed as a subscription plan. Every price is StepFun Step Plan (China)'s own, in USD per 1M tokens.
Prices as of 2026-10-04.

| Model | Input $/1M | Output $/1M | Cache read $/1M | Context | Released |
| --- | --- | --- | --- | --- | --- |
| Step 5 Preview | — | — | — | 1.0M | Sep 16, 2026 |
| Step 3.7 Flash | — | — | — | 256k | May 29, 2026 |
| Step Router v1 | — | — | — | 256k | May 29, 2026 |
| Step 3.5 Flash 2603 | — | — | — | 256k | Apr 2, 2026 |
| Step 3.5 Flash | — | — | — | 256k | Jan 29, 2026 |

HTML page: https://sovyron.com/providers/stepfun-step-plan/
Full dataset: https://sovyron.com/data/catalog.json
