GPT-5.6 Sol vs Grok 4.5
Which is the better AI model in 2026? Here's how they compare.
Capability profile
Artificial Analysis indices (0–100). Missing dimensions show as 0.
Head to head
GPT-5.6 Sol
Grok 4.5
Intelligence
47
38.8
Coding
77.4
72.4
Math
—
—
Context window
1,050,000
500,000
Output price
$20/1M
$6/1M
Input price
$4/1M
$2/1M
Speed (t/s)
0
0
Knowledge cutoff
2026-02-16
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Open weights
No
No
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