GPT-5.6 Terra (xhigh)
GPT-5.6 Terra (xhigh) is developed by OpenAI, released 2026-07-09.
Input price
$2.00 / 1M tok
Output price
$12.00 / 1M tok
Blended price
$4.50 / 1M tok
Intelligence
52.8
Coding
70.6
Math
—
Speed
95 tok/s
Time to first token
9.66s
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