GPT-6 Luna

proprietary

GPT-6 Luna is our most efficient model for focused, high-volume tasks.

Intelligence
Reasoning
Speed
Context
1.1M
Max output
128K
Input price
$0.1/1M tokens
Output price
$0.5/1M tokens

Capabilities

Reasoning & Interaction
Reasoning
Tool Calling
Output Control
Structured Output
JSON Mode
Infrastructure
Streaming
Batch Processing

Details

Model IDgpt-6-luna
Provider OpenAI
Creator openai
Familygpt-6
Licenseproprietary
Statusactive
Typechat
Input modalitiestext, image
Output modalitiestext
Open weightNo
Parameters—
Architecture—
Context window1.1M tokens
Max input922K tokens
Max output128K tokens
Reasoning tokensYes
Knowledge cutoff
Release date—
Sourceofficial

Tools

Web Searchweb_search
Search the web for information
File Searchfile_search
Search across uploaded files
Image Generationimage_generation
Generate images inline
Code Interpretercode_interpreter
Execute code in a sandbox
Hosted Shellhosted_shell
Run shell commands in a container
Apply Patchapply_patch
Apply code patches to files
Skillsskills
Use built-in skill modules
Computer Usecomputer_use
Control a virtual desktop
MCPmcp
Connect to Model Context Protocol servers
Tool Searchtool_search
Discover and use tools

Endpoints

Chat CompletionsPOST
Generate chat responses with messageshttps://api.openai.com/v1/chat/completions
ResponsesPOST
Stateful multi-turn conversationshttps://api.openai.com/v1/responses
BatchPOST
Async batch processing at lower costhttps://api.openai.com/v1/batches

Pricing

Text tokensPer 1M tokens
InputOutputCached input30m write12h writeCache writes
Standard$0.1$0.5$0.01$0.125$0.25$0.125
Batch$0.05$0.25$0.005$0.0625$0.125—
Fast$0.2$1$0.02$0.25$0.5—

Family Comparison: gpt-6

ModelContextMax outPricing
GPT-6 Luna1.1M128K$0.1$0.5
GPT-6 Sol1.1M128K$2$10
GPT-6 Astra1.1M128K$10$50

API

GET/v1/models/openai/gpt-6-luna

GPT-6 Luna

gpt-6-luna

GPT-6 Luna is our most efficient model for focused, high-volume tasks.

gpt-6-luna
Changes · 4 entries
gpt-6-lunacreateca7a400Nov 2, 2026, 03:02 AM
gpt-6-lunaupdate4e8b6afOct 21, 2026, 06:35 AM
pricingtiers[{"label":"Text tokens","unit":"Per 1M tokens","columns":...→[{"label":"Text tokens","unit":"Per 1M tokens","columns":...
gpt-6-lunaupdatecfa51b9Sep 24, 2026, 09:28 AM
familygpt-6
statusactive
gpt-6-lunacreate118451aSep 24, 2026, 07:08 AM