GPT-6 Sol vs Grok 4.6

Which is the better AI model in 2026? Here's how they compare.

Higher intelligence
GPT-6 Sol
OpenAI
47.5
Intelligence Index
View GPT-6 Sol
Grok 4.6
xAI
44.3
Intelligence Index
View Grok 4.6

Capability profile

Artificial Analysis indices (0–100). Missing dimensions show as 0.

Head to head

GPT-6 Sol
Grok 4.6
Intelligence
47.5
44.3
Coding
76.8
Math
Context window
1,050,000
500,000
Output price
$10/1M
$6/1M
Input price
$2/1M
$2/1M
Speed (t/s)
116
70
Knowledge cutoff
2026-04-20
2026-02-01
Open weights
No
No
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