Private AI
OpenAI's new flagship series of reasoning models for solving hard problems. Useful when tackling complex problems in science, coding, math, and similar fields.
Context Window
128.0K
Max Output
32.8K
Input Price (Auto)
$15.00/1M
Output Price (Auto)
$60.00/1M
Cache Read (Auto)
$7.50/1M
Capabilities
Performance metrics and benchmarks
Sourced from Artificial Analysis.
Intelligence Index
23.4
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Coding Index
39.7
GPQA Diamond
Graduate-level scientific reasoning
74.7%
Better than 60% of models compared
HLE
Humanity's Last Exam
7.7%
Better than 53% of models compared
IFBench
Instruction-following benchmark
70.3%
Better than 85% of models compared
T²-Bench Telecom
Conversational AI agents in dual-control scenarios
62.6%
Better than 58% of models compared
AA-LCR
Long context reasoning evaluation
59.3%
Better than 71% of models compared
SciCode
Python programming for scientific computing
35.8%
Better than 56% of models compared
Terminal-Bench Hard
Agentic coding and terminal use
12.9%
AIME
American Invitational Mathematics Examination
72.3%
Better than 82% of models compared
Math-500
Diverse mathematical problem solving benchmark
97.0%
Better than 87% of models compared
MMLU-Pro
Professional and academic subject knowledge
84.1%
Better than 88% of models compared
Last updated Aug 4, 2026
Artificial AnalysisBetter than 49% of models compared
LiveCodeBench
Contamination-free coding benchmark
67.9%
Better than 76% of models compared
