Claude Fable 5.1 vs Gemini 3.6 Flash

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

Higher intelligence
Claude Fable 5.1
Anthropic
53.4
Intelligence Index
View Claude Fable 5.1
Gemini 3.6 Flash
Google
34
Intelligence Index
View Gemini 3.6 Flash

Capability profile

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

Head to head

Claude Fable 5.1
Gemini 3.6 Flash
Intelligence
53.4
34
Coding
81.6
69.2
Math
—
—
Context window
1,000,000
1,048,576
Output price
$50/1M
$3.75/1M
Input price
$10/1M
$0.75/1M
Speed (t/s)
71
0
Knowledge cutoff
2026-06
2026-03
Open weights
No
No
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