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GPT-6 Luna

OpenAI
Announcement
GPT-6 Luna launch post cover

Cost/1M tokens

input
$0.10
cached
$0.01
output
$0.50
cache write
$0.125
Context
1.1Mtokens
Released
1mo ago

Specifications

Model

Developer
OpenAI
Family
GPTGPT-6
Type
Language model
Released
September 22, 2026
Model ID
openai/gpt-6-luna

Capabilities

Input → output
File, image, text → Text
Max output
128K tokens
Tokenizer
GPT
Knowledge cutoff
2026-05-18

Weights

Openness
Closed

Sources:models.devOpenRouter

Metadata synced Nov 3, 2026, 11:17 PM UTC

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