Step 3.5 Flash 2603
Step 3.5 Flash 2603 is developed by StepFun, released 2026-04-02.
Input price
$0.10 / 1M tok
Output price
$0.30 / 1M tok
Blended price
$0.15 / 1M tok
Intelligence
26.5
Coding
—
Math
—
Speed
0 tok/s
Time to first token
0.00s
Official pricing from StepFun. Multi-gateway price comparison
(OpenRouter, Together, etc.) is coming soon.
See all of StepFun's models on its provider page, or browse the full model directory.