Claude Opus 4.6 with adaptive thinking enabled (default effort: high).
Added Feb 5, 2026
Context Window
1.0M
Max Output
128.0K
Input Price (Auto)
$5.00/1M
Output Price (Auto)
$25.01/1M
Cache Read (Auto)
$0.50/1M
Capabilities
Performance metrics and benchmarks
Sourced from Artificial Analysis.
Intelligence Index
52.9
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Coding Index
48.1
GPQA Diamond
Graduate-level scientific reasoning
89.6%
Better than 97% of models compared
HLE
Humanity's Last Exam
36.7%
Better than 98% of models compared
IFBench
Instruction-following benchmark
53.1%
Better than 71% of models compared
T²-Bench Telecom
Conversational AI agents in dual-control scenarios
92.1%
Better than 90% of models compared
AA-LCR
Long context reasoning evaluation
70.7%
Better than 97% of models compared
SciCode
Python programming for scientific computing
51.9%
Better than 98% of models compared
Terminal-Bench Hard
Agentic coding and terminal use
46.2%
Better than 96% of models compared
Last updated May 15, 2026
Artificial Analysis
