Claude Sonnet 4.6
Anthropic · 4 thinking configurations
Intelligence23.3
Input / 1M$3.00
Output / 1M$15.00
Context1M
Tariff: Anthropic · Source: artificial-analysis · USD per million tokens
Thinking configuration
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Compare this model’s measured thinking configurations.
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Efficient frontier: best measured score at each cost1 measured configurations · 3 without both values
Selected: thinking none · Click a point to switch configuration
Sonnet 4.6 is Anthropic's most capable Sonnet-class model yet, with frontier performance across coding, agents, and professional work. It excels at iterative development, complex codebase navigation, end-to-end project management with...
Intelligence IndexArtificial Analysis composite index, not a percentage. Different versions of the index are not directly comparable.
23.3 pointsGPQA DiamondGraduate-level scientific questions. Measures specialist reasoning rather than web-search quality.
79.7 %Humanity’s Last ExamDifficult questions across many disciplines, compared under the same evaluation setup.
11.2 %τ²-BenchTool use and interaction in assistance scenarios. Does not replace an evaluation of your integration.
78.9 %IFBenchVerifiable instruction following. A proxy for precision rather than a benchmark of creative style.
42.4 %MMMU-ProMultimodal understanding of academic problems that include images.
69.2 %Omniscience accuracyFactual accuracy in Artificial Analysis's Omniscience evaluation.
36.5 %Specifications from the catalog
Inputtext, image, file
Outputtext
Tool callingYes
Structured outputYes
Speed42.7 tok/s
First token1.20 s
Maximum output128K
Catalog listing date2026-02-17