The maximum/high version of the o4-mini model. The next generation of OpenAI models.
Added Dec 4, 2025
Context Window
200.0K
Max Output
100.0K
Input Price (Auto)
$1.10/1M
Output Price (Auto)
$4.40/1M
Cache Read (Auto)
$0.55/1M
Capabilities
Benchmarks
Benchmarks
Performance metrics and benchmarks
Sourced from Artificial Analysis.
Intelligence Index
26.1
Reasoning
GPQA Diamond
Graduate-level scientific reasoning
78.4%
Better than 67% of models compared
HLE
Humanity's Last Exam
16.5%
Better than 71% of models compared
IFBench
Instruction-following benchmark
68.7%
Better than 82% of models compared
T²-Bench Telecom
Conversational AI agents in dual-control scenarios
55.6%
Better than 56% of models compared
AA-LCR
Long context reasoning evaluation
60.0%
Better than 62% of models compared
Coding
SciCode
Python programming for scientific computing
46.5%
Better than 86% of models compared
Terminal-Bench Hard
Agentic coding and terminal use
15.2%
Better than 52% of models compared
LiveCodeBench
Contamination-free coding benchmark
85.9%
Better than 96% of models compared
Math
AIME 2025
American Invitational Mathematics Examination 2025
90.7%
Better than 91% of models compared
AIME
American Invitational Mathematics Examination
94.0%
Better than 98% of models compared
Math-500
Diverse mathematical problem solving benchmark
98.9%
Better than 97% of models compared
Knowledge
MMLU-Pro
Professional and academic subject knowledge
83.2%
Better than 83% of models compared
Last updated Aug 16, 2026
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