Step 3.5 Flash
Step 3.5 Flash is an AI model from Stepfun.
Cite
Notes
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Input
$0.10
/1M tok
Output
$0.30
/1M tok
Blended
$0.15
#205/ 458/1M · 3:1
Speed
277
#12/ 458tok/s
Price & speed via Artificial Analysis · ranked across tracked models
Reported on 6 evals across 4 domains - best 94.4% on τ²-bench (Tau²-bench) · #19 of 343