OpenAI's most efficient model for focused, high-volume tasks

Details

FieldValue
idopenai-gpt-6-luna
familygpt-luna
modalitytext+image->text
context_length1050000
max_input_tokens922000
max_output_tokens128000
knowledge_cutoff2026-05-18
release_date2026-09-22
is_open_weightsno
supports_tool_callyes
supports_reasoningyes
supports_structured_outputyes
supports_attachmentyes
input_modalitiestext, image
output_modalitiestext