Claude Haiku 5.5 vs Claude Opus 5.5

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

Claude Haiku 5.5
Anthropic
43.4
Intelligence Index
View Claude Haiku 5.5
Higher intelligence
Claude Opus 5.5
Anthropic
57.6
Intelligence Index
View Claude Opus 5.5

Capability profile

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

Head to head

Claude Haiku 5.5
Claude Opus 5.5
Intelligence
43.4
57.6
Coding
—
—
Math
—
—
Context window
1,000,000
1,000,000
Output price
$0.5/1M
$20/1M
Input price
$0.1/1M
$4/1M
Speed (t/s)
239
96
Knowledge cutoff
2026-06
2026-06
Open weights
No
No
Compare more on the AI models hub.