← Artificial Acceleration
xAI · Grok
Grok 4
Released
10 Jul 2025
· 141 days after
Grok 3 mini Reasoning
Intelligence
—
no index score yet
Price
$6.00
per 1M tokens, 3:1 in/out · $3 in / $15 out
Speed
—
not measured
Weights
Closed
US lab
xAI’s best score over time
12 Aug 2026
21 Sep 2026
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Grok 3 mini Reasoning
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Grok Code Fast 1