GPT 5.4 (xhigh)

Release Date: 3/5/2026

Accuracy (Average)

61.42%

Latency (Average)

954.64s

Avg. Cost (In/Out)

2.5 / 15

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%

± 4.11
12/ 29

0.0%

± 0.94
25/ 122

0.0%

± 5.65
7/ 15

0.0%

± 2.15
30/ 72

0.0%

± 3.32
37/ 71

0.0%

± 0.92
14/ 86

0.0%

± 4.96
6/ 48

0.0%

± 3.12
30/ 67

0.0%

± 0.87
33/ 128

0.0%

± 4.84
12/ 72

0.0%

± 1.91
12/ 122

0.0%

± 9.87
4/ 58

0.0%

± 1.04
29/ 127

0.0%

± 0.41
7/ 125

0.0%

± 0.42
18/ 121

0.0%

± 0.80
8/ 82

0.0%

± 0.00
12/ 30

0.0%

± 4.72
6/ 12

0.0%

± 1.85
15/ 70
Contact us
Or send us an email at contact@vals.ai

License type:

Proprietary (contact us to get access)
Industry Partner
Academic

Read our methodology.