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
55.7
Coding Index
74.3
Reasoning
GPQA Diamond
Graduate-level scientific reasoning
92.0%
Better than 98% of models compared
HLE
Humanity's Last Exam
45.7%
Better than 99% of models compared
IFBench
Instruction-following benchmark
62.2%
Better than 74% of models compared
T²-Bench Telecom
Conversational AI agents in dual-control scenarios
94.4%
Better than 93% of models compared
AA-LCR
Long context reasoning evaluation
67.7%
Better than 91% of models compared
Coding
SciCode
Python programming for scientific computing
53.5%
Better than 98% of models compared
Terminal-Bench Hard
Agentic coding and terminal use
58.3%
Better than 99% of models compared
Last updated Jun 28, 2026
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