Private AI
Claude Opus 5 is Anthropic's flagship model for advanced coding, long-running agentic tasks, research, and complex knowledge work.
Added Jul 24, 2026
Context Window
1.0M
Max Output
128.0K
Input Price (Auto)
$5.00/1M
Output Price (Auto)
$25.00/1M
Cache Read (Auto)
$0.50/1M
Capabilities
Performance metrics and benchmarks
Sourced from Artificial Analysis.
Intelligence Index
61.5
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Coding Index
76.5
Agentic Index
56.1
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%
SciCode
Python programming for scientific computing
54.3%
Better than 96% of models compared
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 14, 2026
Artificial Analysis