GPT-5.6 Sol vs GPT-6.1 Terra
Which is the better AI model in 2026? Here's how they compare.
Capability profile
Artificial Analysis indices (0–100). Missing dimensions show as 0.
Head to head
GPT-5.6 Sol
GPT-6.1 Terra
Intelligence
47
51
Coding
77.4
—
Math
—
—
Context window
1,050,000
1,050,000
Output price
$20/1M
$5/1M
Input price
$4/1M
$1/1M
Speed (t/s)
0
119
Knowledge cutoff
2026-02-16
2026-06-01
Open weights
No
No
Compare more on the AI models hub.