Is Step 3.7 Flash or Fugu Ultra v2 cheaper?

Step 3.7 Flash is cheaper on output tokens ($1.15 vs $30.00 per 1M).

Which has the larger context window, Step 3.7 Flash or Fugu Ultra v2?

Fugu Ultra v2 has the larger context window (1M tokens).

Step 3.7 Flash vs Fugu Ultra v2

Step 3.7 Flash is cheaper on output tokens, while Fugu Ultra v2 offers a larger context window. Choose Step 3.7 Flash or Fugu Ultra v2 based on the trade-off between cost, context, and the benchmarks that matter for your use case.

Spec	Step 3.7 Flash	Fugu Ultra v2
Provider	Kilo Gateway	Kilo Gateway
Input / 1M tokens	$0.20	$5.00
Output / 1M tokens	$1.15	$30.00
Context window	256K	1M
Parameters	—	—
Open weights	Yes	No
Released	May 2026	Sep 2026

Step 3.7 Flash details →Fugu Ultra v2 details →

FAQ

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