Step-3
step-3
StepFun flash model for efficient multimodal reasoning, coding, and tool use
Specification
most-agreed values
Context
66K
Max output
64K
Released
2025-07-31
Knowledge cutoff
2025-01-01
Retires
—
Open weights
no
Input
image, text
Output
text
Price
US dollars per million tokens · most-agreed
Input
$0.21
Output
$0.57
Available from 1 host
| Host | In $/M | Out $/M | Cache rd | Cache wr | Context | Output | Retires |
|---|---|---|---|---|---|---|---|
| zenmux · stepfun | $0.21 | $0.57 | — | — | 66K | 64K | — |