Is Step 3.7 Flash (Free) or GPT-5.4 mini cheaper?

Step 3.7 Flash (Free) and GPT-5.4 mini have comparable output pricing.

Which has the larger context window, Step 3.7 Flash (Free) or GPT-5.4 mini?

GPT-5.4 mini has the larger context window (400K tokens).

Step 3.7 Flash (Free) vs GPT-5.4 mini

Both have similar output pricing, while GPT-5.4 mini offers a larger context window. Choose Step 3.7 Flash (Free) or GPT-5.4 mini based on the trade-off between cost, context, and the benchmarks that matter for your use case.

Spec	Step 3.7 Flash (Free)	GPT-5.4 mini
Provider	Kenari	Kenari
Input / 1M tokens	$0.00	$0.00
Output / 1M tokens	$0.00	$0.00
Context window	256K	400K
Parameters	—	—
Open weights	Yes	No
Released	May 2026	Mar 2026

Step 3.7 Flash (Free) details →GPT-5.4 mini details →

FAQ

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