Claude Sonnet 5.5 vs Gemini 3.5 Flash Lite

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

Higher intelligence
Claude Sonnet 5.5
Anthropic
56
Intelligence Index
View Claude Sonnet 5.5

Capability profile

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

Head to head

Claude Sonnet 5.5
Gemini 3.5 Flash Lite
Intelligence
56
22.2
Coding
—
49.3
Math
—
—
Context window
1,000,000
1,048,576
Output price
$10/1M
$2.5/1M
Input price
$2/1M
$0.3/1M
Speed (t/s)
144
410
Knowledge cutoff
2026-06
2026-03
Open weights
No
No
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