Claude Opus 4.7 vs GPT-5.6 Terra

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

Claude Opus 4.7
Anthropic
40.7
Intelligence Index
View Claude Opus 4.7
Higher intelligence
GPT-5.6 Terra
OpenAI
42.1
Intelligence Index
View GPT-5.6 Terra

Capability profile

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

Head to head

Claude Opus 4.7
GPT-5.6 Terra
Intelligence
40.7
42.1
Coding
73.6
76.7
Math
—
—
Context window
1,000,000
1,050,000
Output price
$25/1M
$12/1M
Input price
$5/1M
$2/1M
Speed (t/s)
0
98
Knowledge cutoff
2026-01-31
2026-02-16
Open weights
No
No
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