Is Step 3.7 Flash or Step 2 (16K) cheaper?

Step 3.7 Flash is cheaper on output tokens ($1.11 vs $16.44 per 1M).

Which has the larger context window, Step 3.7 Flash or Step 2 (16K)?

Step 3.7 Flash has the larger context window (256K tokens).

Step 3.7 Flash vs Step 2 (16K)

Step 3.7 Flash is cheaper on output tokens, while Step 3.7 Flash offers a larger context window. Choose Step 3.7 Flash or Step 2 (16K) based on the trade-off between cost, context, and the benchmarks that matter for your use case.

Spec	Step 3.7 Flash	Step 2 (16K)
Provider	StepFun (Global)	StepFun (Global)
Input / 1M tokens	$0.19	$5.21
Output / 1M tokens	$1.11	$16.44
Context window	256K	16K
Parameters	—	—
Open weights	Yes	No
Released	May 2026	Jan 2025

Step 3.7 Flash details →Step 2 (16K) details →

FAQ

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