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API price

Step 3.5 Flash API price

By StepFun. $0.10 per million input tokens, $0.30 per million output tokens on OpenRouter. Collected November 12, 2026.

stepfun/step-3.5-flashOpen weights on Hugging Face

Input /M tokens
$0.10
Output /M tokens
$0.30
Context (tokens)
262,144
Parameters
199.4B
Released
January 29, 2026
Tracked since
August 22, 2026
$0.07$0.20$0.32Aug 22Nov 12
inputoutput

No price change in this window.

  • Input costs less than 79% of the 443 paid models we track.
Step 3.5 Flash API price — overfeed.news