Compatibility alias that routes to the newest version of GPT. Currently routes to GPT 5.5.
Added Mar 29, 2026
Context Window
1.0M
Max Output
128.0K
Input Price (Auto)
$5.00/1M
Output Price (Auto)
$30.00/1M
Cache Read (Auto)
$0.50/1M
Capabilities
Performance metrics and benchmarks
Sourced from Artificial Analysis.
Intelligence Index
60.2
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Coding Index
59.1
Agentic Index
74.1
GPQA Diamond
Graduate-level scientific reasoning
93.5%
Better than 99% of models compared
HLE
Humanity's Last Exam
44.3%
Better than 99% of models compared
IFBench
Instruction-following benchmark
75.9%
Better than 96% of models compared
T²-Bench Telecom
Conversational AI agents in dual-control scenarios
93.9%
Better than 93% of models compared
AA-LCR
Long context reasoning evaluation
74.3%
Better than 99% of models compared
GDPval-AA
Economically valuable tasks
63.6%
Better than 99% of models compared
CritPt
Research-level physics reasoning
27.1%
Better than 98% of models compared
SciCode
Python programming for scientific computing
56.1%
Better than 99% of models compared
Terminal-Bench Hard
Agentic coding and terminal use
60.6%
Better than 99% of models compared
AA-Omniscience Accuracy
Proportion of correctly answered questions
56.9%
Better than 99% of models compared
AA-Omniscience Hallucination Rate
Rate of incorrect answers among non-correct responses
85.5%
Better than 38% of models compared
Last updated May 15, 2026
Artificial Analysis
