Optimized for speed and ideal for applications requiring low latency. The fastest and most efficient GPT-5 variant.
Added Aug 7, 2025
Context Window
400.0K
Max Output
128.0K
Input Price (Auto)
$0.050/1M
Output Price (Auto)
$0.40/1M
Cache Read (Auto)
$0.0050/1M
Capabilities
Benchmarks
Benchmarks
Performance metrics and benchmarks
Sourced from Artificial Analysis.
Intelligence Index
20.1
Reasoning
GPQA Diamond
Graduate-level scientific reasoning
67.6%
Better than 47% of models compared
HLE
Humanity's Last Exam
9.5%
Better than 55% of models compared
IFBench
Instruction-following benchmark
67.6%
Better than 81% of models compared
T²-Bench Telecom
Conversational AI agents in dual-control scenarios
36.5%
Better than 45% of models compared
AA-LCR
Long context reasoning evaluation
43.7%
Better than 49% of models compared
Coding
SciCode
Python programming for scientific computing
36.6%
Better than 58% of models compared
Terminal-Bench Hard
Agentic coding and terminal use
12.1%
Better than 48% of models compared
LiveCodeBench
Contamination-free coding benchmark
78.9%
Better than 91% of models compared
Math
AIME 2025
American Invitational Mathematics Examination 2025
83.7%
Better than 80% of models compared
Knowledge
MMLU-Pro
Professional and academic subject knowledge
78.0%
Better than 59% of models compared
Last updated Aug 16, 2026
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