GPT-5.6 Terra (high)

Name: GPT-5.6 Terra (high)
Author: OpenAI

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Attribution

Input

$2.50

/1M tok

Output

$15

/1M tok

Blended

$5.63

#410/ 451/1M · 3:1

Speed

125

#89/ 451tok/s

Price & speed via Artificial Analysis · ranked across tracked models

Reported on 6 evals across 4 domains - best 89.6% on GPQA Diamond · #23 of 486

Reported eval scores