gpt-5.6-luna

proprietary

- Reasoning - Responses API . - Multi-agent orchestration (preview). - Chat Completions API. - Structured outputs. - Text and image processing. - Functions, tools, and parallel tool calling. - Computer use - Full summary of capabilities .

Intelligence
Reasoning
Speed
Context
1.1M
Max output
128K
Input price
$0.2/1M tokens
Output price
$1.2/1M tokens

Capabilities

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

Details

Provider Azure AI Foundry
Creator OpenAI
Familygpt-5.6
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

Function Callingfunction_calling
Call external functions and APIs

Pricing

Text tokensPer 1M tokens
InputOutputCached input30m write12h write
Standard$0.2$1.2$0.02$0.25$0.5
Batch$0.1$0.6$0.01$0.125$0.25
Fast$0.4$2.4$0.04$0.5$1

Family Comparison: gpt-5.6

ModelContextMax out
gpt-5.6-luna1.1M128K
gpt-5.6-sol1.1M128K
gpt-5.6-terra1.1M128K
GPT-5.6 series——

API

GET/v1/models/azure/gpt-5.6-luna

gpt-5.6-luna

- Reasoning - Responses API . - Multi-agent orchestration (preview). - Chat Completions API. - Structured outputs. - Text and image processing. - Functions, tools, and parallel tool calling. - Computer use - Full summary of capabilities .

Changes · 4 entries
gpt-5.6-lunacreateca7a400Nov 2, 2026, 03:02 AM
gpt-5.6-lunaupdate5cd8ca9Sep 6, 2026, 06:34 AM
knowledge_cutoff2026-06→2026-02
gpt-5.6-lunaupdatebe35184Aug 17, 2026, 04:02 AM
description- Reasoning - Responses API . - Chat Completions API. - S...→- Reasoning - Responses API . - Multi-agent orchestration...
gpt-5.6-lunacreate105275dJul 10, 2026, 12:00 AM