Is StepFun: Step 3.5 Flash or StepFun: Step 3.7 Flash cheaper?

StepFun: Step 3.5 Flash is cheaper on output tokens ($0.30 vs $1.15 per 1M).

Which has the larger context window, StepFun: Step 3.5 Flash or StepFun: Step 3.7 Flash?

StepFun: Step 3.5 Flash has the larger context window (262K tokens).

StepFun: Step 3.5 Flash vs StepFun: Step 3.7 Flash

StepFun: Step 3.5 Flash is cheaper on output tokens, while StepFun: Step 3.5 Flash offers a larger context window. Choose StepFun: Step 3.5 Flash or StepFun: Step 3.7 Flash based on the trade-off between cost, context, and the benchmarks that matter for your use case.

Spec	StepFun: Step 3.5 Flash	StepFun: Step 3.7 Flash
Provider	StepFun	StepFun
Input / 1M tokens	$0.09	$0.20
Output / 1M tokens	$0.30	$1.15
Context window	262K	256K
Parameters	—	—
Open weights	Yes	Yes
Released	Jan 2026	May 2026

StepFun: Step 3.5 Flash details →StepFun: Step 3.7 Flash details →

FAQ

Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.