Claude Fable 5 vs Grok 4.7

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

Higher intelligence
Claude Fable 5
Anthropic
49.6
Intelligence Index
View Claude Fable 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 Fable 5
Grok 4.7
Intelligence
49.6
46.4
Coding
76.5
Math
Context window
1,000,000
500,000
Output price
$50/1M
$6/1M
Input price
$10/1M
$2/1M
Speed (t/s)
0
50
Knowledge cutoff
2026-05
Open weights
No
No
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