GPT-5.6 Terra

Release Date: 7/9/2026

Vals Index

Accuracy (Vals Index)

65.14% ± 1.72

Latency (Vals Index)

352.05s

Cost/Test (Vals Index)

$2.66

Context Window

1M

Max Output Tokens

128k

Input Modality

Hyperparameter settings
Default Provider : OpenAI

Temperature

Default

Top P

Default

Top K

Default

Max Output Tokens

128,000

Reasoning Effort

xhigh

Benchmarks

Accuracy

Rankings

0.0%

± 1.72
9/ 35

0.0%

± 1.57
8/ 25

0.0%

± 4.01
9/ 27

0.0%

± 0.94
21/ 121

0.0%

± 3.04
3/ 20

0.0%

± 0.71
7/ 33

0.0%

± 3.42
4/ 18

0.0%

± 2.17
24/ 72

0.0%

± 1.95
24/ 70

0.0%

± 0.93
22/ 84

0.0%

± 4.56
3/ 48

0.0%

± 3.40
20/ 66

0.0%

± 1.26
7/ 16

0.0%

± 0.84
5/ 126

0.0%

± 5.10
11/ 72

0.0%

± 1.91
14/ 121

0.0%

± 0.92
5/ 58

0.0%

± 1.02
16/ 127

0.0%

± 0.45
13/ 123

0.0%

± 0.33
28/ 119

0.0%

± 0.82
13/ 81

0.0%

± 0.50
6/ 27

0.0%

± 1.93
27/ 69

0.0%

± 2.08
7/ 41
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