Claude Sonnet 4.6 with extended thinking enabled for tougher coding, planning, and multi‑tool tasks. Ideal for long‑horizon agent workflows and complex problem solving.
Added Feb 17, 2026
Context Window
1.0M
Max Output
128.0K
Input Price (Auto)
$2.99/1M
Output Price (Auto)
$14.99/1M
Cache Read (Auto)
$0.30/1M
Capabilities
Performance metrics and benchmarks
Sourced from Artificial Analysis.
Intelligence Index
51.7
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Coding Index
50.9
GPQA Diamond
Graduate-level scientific reasoning
87.5%
Better than 95% of models compared
HLE
Humanity's Last Exam
30.0%
Better than 96% of models compared
IFBench
Instruction-following benchmark
56.6%
Better than 75% of models compared
T²-Bench Telecom
Conversational AI agents in dual-control scenarios
75.7%
Better than 74% of models compared
AA-LCR
Long context reasoning evaluation
70.7%
Better than 97% of models compared
SciCode
Python programming for scientific computing
46.8%
Better than 94% of models compared
Terminal-Bench Hard
Agentic coding and terminal use
53.0%
Better than 98% of models compared
Last updated May 15, 2026
Artificial Analysis
