Claude Opus 4.6
Anthropic · 2 thinking configurations
Intelligence31.9
Input / 1M$5.00
Output / 1M$25.00
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 cost2 measured configurations · 0 without both values
Selected: thinking max · Click a point to switch configuration
Opus 4.6 is Anthropic’s strongest model for coding and long-running professional tasks. It is built for agents that operate across entire workflows rather than single prompts, making it especially effective...
Intelligence IndexArtificial Analysis composite index, not a percentage. Different versions of the index are not directly comparable.
31.9 pointsGPQA DiamondGraduate-level scientific questions. Measures specialist reasoning rather than web-search quality.
89.6 %Humanity’s Last ExamDifficult questions across many disciplines, compared under the same evaluation setup.
39.9 %τ²-BenchTool use and interaction in assistance scenarios. Does not replace an evaluation of your integration.
92.1 %IFBenchVerifiable instruction following. A proxy for precision rather than a benchmark of creative style.
53.1 %MMMU-ProMultimodal understanding of academic problems that include images.
75.4 %Omniscience accuracyFactual accuracy in Artificial Analysis's Omniscience evaluation.
47.0 %Specifications from the catalog
Inputtext, image, file
Outputtext
Tool callingYes
Structured outputYes
Speed37.6 tok/s
First token17.13 s
Maximum output128K
Catalog listing date2026-02-04