GPT-5.1
OpenAI · 2 thinking configurations
Intelligence13.3
Input / 1M$1.25
Output / 1M$10.00
Context400K
Tariff: OpenAI · Source: artificial-analysis · USD per million tokens
Thinking configuration
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Efficient frontier: best measured score at each cost2 measured configurations · 0 without both values
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GPT-5.1 is the latest frontier-grade model in the GPT-5 series, offering stronger general-purpose reasoning, improved instruction adherence, and a more natural conversational style compared to GPT-5. It uses adaptive reasoning...
Intelligence IndexArtificial Analysis composite index, not a percentage. Different versions of the index are not directly comparable.
13.3 pointsGPQA DiamondGraduate-level scientific questions. Measures specialist reasoning rather than web-search quality.
64.3 %Humanity’s Last ExamDifficult questions across many disciplines, compared under the same evaluation setup.
5.3 %τ²-BenchTool use and interaction in assistance scenarios. Does not replace an evaluation of your integration.
46.5 %IFBenchVerifiable instruction following. A proxy for precision rather than a benchmark of creative style.
43.2 %MMMU-ProMultimodal understanding of academic problems that include images.
62.4 %Omniscience accuracyFactual accuracy in Artificial Analysis's Omniscience evaluation.
29.5 %Specifications from the catalog
Inputimage, text, file
Outputtext
Tool callingYes
Structured outputYes
Speed110.3 tok/s
First token0.92 s
Maximum output128K
Catalog listing date2025-11-13