GPT-5 nano
OpenAI · 3 thinking configurations
Intelligence12.5
Input / 1M$0.05
Output / 1M$0.40
Context400K
Tariff: OpenAI · 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 cost3 measured configurations · 0 without both values
Selected: thinking medium · Click a point to switch configuration
GPT-5-Nano is the smallest and fastest variant in the GPT-5 system, optimized for developer tools, rapid interactions, and ultra-low latency environments. While limited in reasoning depth compared to its larger...
Intelligence IndexArtificial Analysis composite index, not a percentage. Different versions of the index are not directly comparable.
12.5 pointsGPQA DiamondGraduate-level scientific questions. Measures specialist reasoning rather than web-search quality.
67.0 %Humanity’s Last ExamDifficult questions across many disciplines, compared under the same evaluation setup.
8.7 %τ²-BenchTool use and interaction in assistance scenarios. Does not replace an evaluation of your integration.
30.4 %IFBenchVerifiable instruction following. A proxy for precision rather than a benchmark of creative style.
65.9 %MMMU-ProMultimodal understanding of academic problems that include images.
58.2 %Omniscience accuracyFactual accuracy in Artificial Analysis's Omniscience evaluation.
17.6 %Specifications from the catalog
Inputtext, image, file
Outputtext
Tool callingYes
Structured outputYes
Speed160.4 tok/s
First token37.98 s
Maximum output128K
Catalog listing date2025-08-07