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)

$1.11

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
12/ 42

0.0%

± 1.57
11/ 29

0.0%

± 4.01
12/ 33

0.0%

± 0.94
26/ 128

0.0%

± 3.04
5/ 29

0.0%

± 0.71
11/ 40

0.0%

± 3.42
7/ 28

0.0%

± 2.17
28/ 77

0.0%

± 1.95
28/ 77

0.0%

± 0.93
25/ 90

0.0%

± 4.56
4/ 54

0.0%

± 3.40
24/ 71

0.0%

± 1.26
10/ 26

0.0%

± 0.84
5/ 133

0.0%

± 5.10
13/ 76

0.0%

± 1.91
18/ 127

0.0%

± 0.92
6/ 60

0.0%

± 1.02
20/ 132

0.0%

± 0.45
17/ 130

0.0%

± 0.33
32/ 126

0.0%

± 0.82
16/ 86

0.0%

± 0.50
8/ 35

0.0%

± 4.58
4/ 20

0.0%

± 1.93
32/ 75

0.0%

± 2.08
10/ 47
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