Step 3.5 Flash

Step 3.5 Flash is developed by StepFun, released 2026-02-02.

Input price
$0.10 / 1M tok
Output price
$0.30 / 1M tok
Blended price
$0.15 / 1M tok
Intelligence
26.0
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.