Compatibility alias that routes to the newest version of Claude Opus. Currently routes to Claude Opus 5.
Added Mar 29, 2026
Context Window
1.0M
Max Output
128.0K
Avg output tokens (7d)
938 tokens
Input Price (Auto)
$5.00/1M
Output Price (Auto)
$25.00/1M
Cache Read (Auto)
$0.50/1M
Capabilities
Benchmarks
Benchmarks
Performance metrics and benchmarks
Sourced from Artificial Analysis.
Intelligence Index
61.5
Coding Index
76.5
Agentic Index
56.1
Reasoning
GPQA Diamond
Graduate-level scientific reasoning
93.7%
Better than 99% of models compared
HLE
Humanity's Last Exam
52.8%
Better than 99% of models compared
AA-LCR
Long context reasoning evaluation
76.3%
Better than 93% of models compared
GDPval-AA
Economically valuable tasks
61.7%
CritPt
Research-level physics reasoning
28.3%
Coding
SciCode
Python programming for scientific computing
54.3%
Better than 96% of models compared
Knowledge
AA-Omniscience Accuracy
Proportion of correctly answered questions
58.9%
AA-Omniscience Hallucination Rate
Rate of incorrect answers among non-correct responses
61.2%
Last updated Aug 16, 2026
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