Is Step 1 (32K) or Step 2 (16K) cheaper?

Step 1 (32K) is cheaper on output tokens ($9.59 vs $16.44 per 1M).

Which has the larger context window, Step 1 (32K) or Step 2 (16K)?

Step 1 (32K) has the larger context window (33K tokens).

Step 1 (32K) vs Step 2 (16K)

Step 1 (32K) is cheaper on output tokens, while Step 1 (32K) offers a larger context window. Choose Step 1 (32K) or Step 2 (16K) based on the trade-off between cost, context, and the benchmarks that matter for your use case.

Spec	Step 1 (32K)	Step 2 (16K)
Provider	StepFun	StepFun
Input / 1M tokens	$2.05	$5.21
Output / 1M tokens	$9.59	$16.44
Context window	33K	16K
Parameters	—	—
Open weights	No	No
Released	Jan 2025	Jan 2025

Step 1 (32K) 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.