StepFun's next-generation flagship base model for coding and professional knowledge work, with native text, image, and video input and a 1M-token context window
Step 5 Preview (Tencent) is currently listed from a single provider. Its reference price is $1.00 per 1M input tokens and $2.70 per 1M output tokens.
The context window is 1,000,000 tokens, with an output limit of 1,000,000 tokens. It supports reasoning.
| Provider | Tier | Input | Output | Cache read | Cache write | Context | Output limit | Status |
|---|---|---|---|---|---|---|---|---|
| Eden AI | Gateway | $1.00 | $2.70 | $0.05 | — | 1,000,000 | 1,000,000 |
Sorted by blended price (input×0.75 + output×0.25) asc. The official channel always shows regardless of rank. Whether a gateway's low price is actually usable can't be verified.
Price history accumulates from each data sync; currently only 1 sample(s) (2026-10-03). Each future sync adds a point, and once accumulated a line is drawn here.