GPT-5.4 is an OpenAI model for professional work with stronger reasoning, coding, and tool use.
Added Mar 5, 2026
Context Window
922.0K
Max Output
128.0K
Avg output tokens (7d)
482 tokens
Input Price (Auto)
$2.50/1M
Output Price (Auto)
$15.00/1M
Cache Read (Auto)
$0.25/1M
Capabilities
Benchmarks
Benchmarks
Performance metrics and benchmarks
Sourced from Artificial Analysis.
Intelligence Index
21.1
Reasoning
GPQA Diamond
Graduate-level scientific reasoning
74.8%
Better than 56% of models compared
HLE
Humanity's Last Exam
11.3%
Better than 59% of models compared
IFBench
Instruction-following benchmark
48.4%
Better than 57% of models compared
T²-Bench Telecom
Conversational AI agents in dual-control scenarios
36.0%
Better than 44% of models compared
AA-LCR
Long context reasoning evaluation
58.3%
Better than 54% of models compared
CritPt
Research-level physics reasoning
0.6%
Coding
Terminal-Bench Hard
Agentic coding and terminal use
37.9%
Better than 85% of models compared
Knowledge
AA-Omniscience Accuracy
Proportion of correctly answered questions
37.4%
AA-Omniscience Hallucination Rate
Rate of incorrect answers among non-correct responses
84.7%
Last updated Sep 7, 2026
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