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
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
53.6
Coding Index
78.0
Agentic Index
56.5
Agentic work
AutomationBench-AA
Workflow automation with guardrail penalties
63.2%
Better than 91% of models compared
Harvey LAB-AA
Legal agentic work criterion pass rate
90.9%
Better than 62% of models compared
AA-Briefcase
Agentic knowledge work (Elo)
1705 Elo
Better than 98% of models compared
GDPval-AA v2
Economically valuable tasks (Elo)
1692 Elo
Better than 96% of models compared
Document reasoning
GDP.pdf
Professional PDF reasoning: all-pass rate
28.8%
Better than 95% of models compared
AA-LCR v1.1
Long context reasoning with updated grading
82.7%
Better than 94% of models compared
MLCR-AA
Medical long-context reasoning
55.6%
Better than 91% of models compared
Reasoning
HLE
Humanity's Last Exam
55.6%
Better than 99% of models compared
Coding
Terminal-Bench v4.0
Practical coding and terminal tasks
56.6%
Better than 96% of models compared
SciCode
Python programming for scientific computing
60.4%
Better than 96% of models compared
Legacy benchmarks
GPQA Diamond (legacy)
Graduate-level scientific reasoning
93.2%
Better than 96% of models compared
AA-LCR (unversioned / legacy)
Long context reasoning evaluation
82.7%
Better than 94% of models compared
Last updated Oct 1, 2026
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