Claude Fable 5 vs GPT-6.1 Sol

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

Claude Fable 5
Anthropic
49.6
Intelligence Index
View Claude Fable 5
Higher intelligence
GPT-6.1 Sol
OpenAI
51.8
Intelligence Index
View GPT-6.1 Sol

Capability profile

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

Head to head

Claude Fable 5
GPT-6.1 Sol
Intelligence
49.6
51.8
Coding
76.5
—
Math
—
—
Context window
1,000,000
1,050,000
Output price
$50/1M
$10/1M
Input price
$10/1M
$2/1M
Speed (t/s)
0
57
Knowledge cutoff
—
2026-04-30
Open weights
No
No
Compare more on the AI models hub.