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  1. GPT-6 LunaOpenAIRemove
gpt-6-luna
AttributeGPT-6 Lunagpt-6-luna
Pricing
Input$0.10 / 1M
Output$0.50 / 1M
Cache Write (5m)$0.10 / 1M
Cache Write (1h)$0.10 / 1M
Cache Read$0.10 / 1M
Web Search$0 / 1M
Context
Max context1.1M
Max outputN/A
Capabilities
VisionYes
Function CallingYes
JSON ModeYes
StreamingYes
Catalogue
ProviderOpenAI
Categorychat
Charge typePay As You Go
Released
Description
SummaryGPT-6 Luna is the fast, cost-efficient model in OpenAI's GPT-6 series, optimized for high-volume and latency-sensitive workloads such as chat, classification, and lightweight agentic tasks. It combines low-cost, responsive inference with the GPT-6 family’s improvements in factual reliability and clear, concise communication. At higher reasoning effort, GPT-6 Luna can also handle complex software engineering and computer-use workflows that previously required a Sol-tier model, making it a versatile choice for scalable production applications that need to balance speed, cost, and capability.