GPT-5.4 is OpenAI's latest frontier 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)
1.8K 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
27.7
Reasoning
GPQA Diamond
Graduate-level scientific reasoning
74.8%
Better than 64% of models compared
HLE
Humanity's Last Exam
10.6%
Better than 67% of models compared
IFBench
Instruction-following benchmark
48.4%
Better than 59% of models compared
T²-Bench Telecom
Conversational AI agents in dual-control scenarios
35.1%
Better than 44% of models compared
AA-LCR
Long context reasoning evaluation
47.3%
Better than 60% of models compared
CritPt
Research-level physics reasoning
0.6%
Coding
SciCode
Python programming for scientific computing
47.1%
Better than 93% of models compared
Terminal-Bench Hard
Agentic coding and terminal use
37.9%
Better than 86% 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 Jun 28, 2026
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