Compare AI Models

Comparing the specifications and intelligence benchmarks for Grok 3 mini Reasoning (high), Grok 4 Fast (Reasoning).

Model	Intelligence	MMLU Pro	Context	GPQA	TTFT (s)	Speed (T/s)	Input Price (1M)	Output Price (1M)
Grok 3 mini Reasoning (high) xAI	32.1	82.8%	-	79.1%	0.49	198	$0.30	$0.50
Grok 4 Fast (Reasoning) xAI	35.1	85.0%	-	84.7%	3.06	162	$0.20	$0.50

Grok 3 mini Reasoning (high) vs Grok 4 Fast (Reasoning) Comparison 2026: Pricing & Benchmarks