GPT-5.2 is OpenAI's latest flagship model with improved reasoning and long-context performance.
Added Dec 11, 2025
Context Window
400.0K
Max Output
128.0K
Input Price (Auto)
$1.75/1M
Output Price (Auto)
$14.00/1M
Cache Read (Auto)
$0.18/1M
Capabilities
Performance metrics and benchmarks
Sourced from Artificial Analysis.
Intelligence Index
33.6
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Coding Index
34.7
GPQA Diamond
Graduate-level scientific reasoning
71.2%
Better than 64% of models compared
HLE
Humanity's Last Exam
7.3%
Better than 62% of models compared
IFBench
Instruction-following benchmark
47.4%
Better than 64% of models compared
T²-Bench Telecom
Conversational AI agents in dual-control scenarios
46.5%
Better than 58% of models compared
AA-LCR
Long context reasoning evaluation
38.0%
Better than 57% of models compared
SciCode
Python programming for scientific computing
40.4%
Better than 84% of models compared
Terminal-Bench Hard
Agentic coding and terminal use
31.8%
Better than 82% of models compared
AIME 2025
American Invitational Mathematics Examination 2025
51.0%
Better than 49% of models compared
MMLU-Pro
Professional and academic subject knowledge
81.4%
Better than 75% of models compared
Last updated May 15, 2026
Artificial AnalysisLiveCodeBench
Contamination-free coding benchmark
66.9%
Better than 75% of models compared
