Is Grok 4 Fast (Non-Reasoning) or GPT-5 Mini cheaper?

Grok 4 Fast (Non-Reasoning) is cheaper on output tokens ($0.50 vs $2.00 per 1M).

Which has the larger context window, Grok 4 Fast (Non-Reasoning) or GPT-5 Mini?

Grok 4 Fast (Non-Reasoning) has the larger context window (2M tokens).

Grok 4 Fast (Non-Reasoning) vs GPT-5 Mini

Grok 4 Fast (Non-Reasoning) is cheaper on output tokens, while Grok 4 Fast (Non-Reasoning) offers a larger context window. Choose Grok 4 Fast (Non-Reasoning) or GPT-5 Mini based on the trade-off between cost, context, and the benchmarks that matter for your use case.

Spec	Grok 4 Fast (Non-Reasoning)	GPT-5 Mini
Provider	Abacus	Abacus
Input / 1M tokens	$0.20	$0.25
Output / 1M tokens	$0.50	$2.00
Context window	2M	400K
Parameters	—	—
Open weights	No	No
Released	Jul 2025	Aug 2025

Grok 4 Fast (Non-Reasoning) details →GPT-5 Mini details →

FAQ

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