GPT 5.4
Release Date: 3/5/2026
Benchmarked by 
OpenAI's advanced model, suited well for complex agentic tasks such as coding, complex document understanding & generation, general tool-use, and more.
Accuracy (Vals Index)
64.59% ± 1.96
Latency (Vals Index)
575.60s
Cost/Test (Vals Index)
$0.71
Context Window
1M
Max Output Tokens
128k
Input Modality
Hyperparameter settings
Default Provider :
OpenAI
Some benchmarks may use different provider and parameters. Please refer to the benchmark page for more information.
Temperature
Default
Top P
Default
Top K
Default
Max Output Tokens
128,000
Reasoning Effort
xhigh
Benchmarks
Accuracy
Rankings
Academic Benchmarks
Proprietary Benchmarks (contact us to get access)