GPT-6 Luna
OpenAI · 6 thinking configurations
Intelligence20.9
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.
Scroll the chart ↔ · tap a point for details
Efficient frontier: best measured score at each cost6 measured configurations · 0 without both values
Selected: thinking low · 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.
20.9 pointsHumanity’s Last ExamDifficult questions across many disciplines, compared under the same evaluation setup.
20.3 %SciCodeCode generation for scientific research problems.
46.9 %MMMU-ProMultimodal understanding of academic problems that include images.
70.3 %Omniscience accuracyFactual accuracy in Artificial Analysis's Omniscience evaluation.
40.8 %Specifications from the catalog
Inputfile, image, text
Outputtext
Tool callingYes
Structured outputYes
Speed124.4 tok/s
First token2.18 s
Maximum output128K
Catalog listing date2026-09-22