Context window
1,050,000 tokens
Checked 19 Oct 2026https://developers.openai.com/api/docs/models/gpt-6-luna
LLM · OpenAI
GPT-6 Luna
OpenAI describes gpt-6-luna as its most efficient model for high-volume tasks. The model page states a 1,050,000 token context window, 922,000 maximum input tokens, and 128,000 maximum output tokens. Prompts with more than 272K input tokens are priced at 2x input and 1.5x output for the whole request. The stored rate is the standard short-context price.
Checked 19 Oct 2026https://developers.openai.com/api/docs/models/gpt-6-luna
Input price
$0.10
Checked 19 Oct 2026https://developers.openai.com/api/docs/pricing
Output price
$0.50
Checked 19 Oct 2026https://developers.openai.com/api/docs/pricing
API deployment
Yes
Checked 19 Oct 2026https://developers.openai.com/api/docs/models/gpt-6-luna
Local / self-hosted
Not published
Checked 19 Oct 2026https://developers.openai.com/api/docs/models/gpt-6-luna
VPC / cloud native
Not published
Checked 19 Oct 2026https://developers.openai.com/api/docs/models/gpt-6-luna
License
Not published
Checked 19 Oct 2026https://developers.openai.com/api/docs/models/gpt-6-luna
Data retention
Not published
Checked 19 Oct 2026https://developers.openai.com/api/docs/models/gpt-6-luna