GPT-6 Luna
OpenAI · 6 thinking configurations
Intelligence18.3
Input / 1M$0.10
Output / 1M$0.50
Context1M
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 cost6 measured configurations · 0 without both values
Selected: thinking none · Click a point to switch configuration
GPT-6 Luna is the fast, cost-efficient model in OpenAI's GPT-6 series, positioned below GPT-6 Sol. It is suited for high-volume and latency-sensitive workloads such as chat, classification, and lightweight agentic...
Intelligence IndexArtificial Analysis composite index, not a percentage. Different versions of the index are not directly comparable.
18.3 pointsHumanity’s Last ExamDifficult questions across many disciplines, compared under the same evaluation setup.
8.6 %SciCodeCode generation for scientific research problems.
43.1 %MMMU-ProMultimodal understanding of academic problems that include images.
53.2 %Omniscience accuracyFactual accuracy in Artificial Analysis's Omniscience evaluation.
31.9 %Specifications from the catalog
Inputfile, image, text
Outputtext
Tool callingYes
Structured outputYes
Speed139.4 tok/s
First token0.79 s
Maximum output128K
Catalog listing date2026-09-22