GPT 6 Luna

Release Date: Sept 22, 2026     Creator: OpenAI

GPT-6 Luna is a fast and cheapest model of GPT-6 family, best suited for day to day tasks.

Access GPT 6 Luna securely with complete privacy. Our local-first approach means your text chats and prompts are stored exclusively on your browser via IndexedDB, never on a remote server. When you delete a chat, it is permanently wiped locally, and we ensure zero prompt training is used across all model endpoints.

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Model Specifications
Knowledge Cutoff
May 2026
N/A
Context (VividLLM)
128,000 Tokens
N/A
With a context window of 128,000 tokens, this model can 'remember' and analyze up to 192 pages of data at once. This makes it a top choice for debugging entire codebases and summarizing full-length books.
Context (Native)
1,050,000 Tokens
N/A
Input ModalitiesTextImagePDFTextImagePDF
Tool Calling
yes
N/A
Output TypeTextText
Default Max Output81928192
Input Weight
0.500 x (Casual)
N/A
Output Weight
0.500 x (Casual)
N/A

Disclaimer: We are providing Image Upload options to only limit models as of now, so some models which have image upload options might now have that feature on our site.

GPT 6 Luna: Secure & Private Access | No Prompt training