Claude Opus 5 vs Grok 4.7

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

Higher intelligence
Claude Opus 5
Anthropic
50.8
Intelligence Index
View Claude Opus 5
Grok 4.7
xAI
46.4
Intelligence Index
View Grok 4.7

Capability profile

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

Head to head

Claude Opus 5
Grok 4.7
Intelligence
50.8
46.4
Coding
78
Math
Context window
1,000,000
500,000
Output price
$25/1M
$6/1M
Input price
$5/1M
$2/1M
Speed (t/s)
54
50
Knowledge cutoff
2026-05
2026-05
Open weights
No
No
Compare more on the AI models hub.