Claude Sonnet 5
Anthropic · 6 thinking configurations
Intelligence23.2
Input / 1M$2.00
Output / 1M$10.00
Context1M
Tariff: Anthropic · Source: artificial-analysis · USD per million tokens
Thinking configuration
What does more thinking buy you?
Compare this model’s measured thinking configurations.
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Efficient frontier: best measured score at each cost5 measured configurations · 1 without both values
Selected: thinking none · Click a point to switch configuration
Sonnet 5 is Anthropic's most capable Sonnet-class model, with frontier performance across coding, agents, and professional work. It supports adaptive thinking with selectable reasoning effort levels (low, medium, high, max,...
Intelligence IndexArtificial Analysis composite index, not a percentage. Different versions of the index are not directly comparable.
23.2 pointsGPQA DiamondGraduate-level scientific questions. Measures specialist reasoning rather than web-search quality.
80.0 %Humanity’s Last ExamDifficult questions across many disciplines, compared under the same evaluation setup.
19.0 %Terminal-Bench 2.1Agent tasks in a terminal environment. Results also depend on the evaluation harness.
75.3 %MMMU-ProMultimodal understanding of academic problems that include images.
71.9 %Omniscience accuracyFactual accuracy in Artificial Analysis's Omniscience evaluation.
33.8 %Specifications from the catalog
Inputtext, image, file
Outputtext
Tool callingYes
Structured outputYes
Speed61.8 tok/s
First token1.06 s
Maximum output128K
Catalog listing date2026-06-30