GPT-5.4 mini brings the core capabilities of GPT-5.4 to a faster, more efficient model optimized for high-throughput workloads.
Added Mar 17, 2026
Context Window
400.0K
Max Output
128.0K
Input Price (Auto)
$0.75/1M
Output Price (Auto)
$4.50/1M
Cache Read (Auto)
$0.075/1M
Capabilities
Benchmarks
Benchmarks
Performance metrics and benchmarks
Sourced from Artificial Analysis.
Intelligence Index
16.8
Reasoning
GPQA Diamond
Graduate-level scientific reasoning
60.6%
Better than 37% of models compared
HLE
Humanity's Last Exam
5.9%
Better than 41% of models compared
IFBench
Instruction-following benchmark
38.8%
Better than 35% of models compared
T²-Bench Telecom
Conversational AI agents in dual-control scenarios
23.4%
Better than 26% of models compared
AA-LCR
Long context reasoning evaluation
34.7%
Better than 40% of models compared
GDPval-AA
Economically valuable tasks
14.5%
CritPt
Research-level physics reasoning
0.0%
Coding
SciCode
Python programming for scientific computing
39.6%
Better than 69% of models compared
Terminal-Bench Hard
Agentic coding and terminal use
18.2%
Better than 57% of models compared
Knowledge
AA-Omniscience Accuracy
Proportion of correctly answered questions
25.7%
AA-Omniscience Hallucination Rate
Rate of incorrect answers among non-correct responses
95.6%
Last updated Aug 18, 2026
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