GPT-6 Luna is OpenAI's most efficient GPT-6 model for focused, high-volume tasks. It is suited for chat, classification, and lightweight agentic workflows, with a 1.05M token context window (922K input, 128K output), text and image inputs, and capable reasoning for its price tier.
Modalities
In / out price
$0.10 / $0.50per 1M
Cached price
$0.01per 1M
Context
1M
Max output
128K
Providers
2 routesCompare providers by price, privacy, and speed.
Privacy
1 / 4Anonymous routing
Anonymous tier
- Anonymous
- Private
- TEE
- E2EE
Your identity is hidden from the inference provider. The inference provider can see prompt content; zero retention is not guaranteed. Learn more
Features
7Streaming
Tool calling
Reasoning
Vision
JSON/schema
Web search
Prompt caching
Uptime
FAQ
Common questions about GPT-6 Luna.