GPT-5.6 Cyber

Name: GPT-5.6 Cyber
Author: OpenAI

proprietary

An alias for our most advanced purpose-trained cybersecurity models, for approved defenders conducting advanced, authorized vulnerability research, exploit validation, and security testing.

Intelligence

Reasoning

Speed

Context

400K

Max output

128K

Input price

$12.5/1M tokens

Output price

$75/1M tokens

Alias ofgpt-daybreak-red-latest

Capabilities

Show unsupported (2)

Reasoning & Interaction

Reasoning

Tool Calling

Output Control

Structured Output

JSON Mode

Infrastructure

Streaming

Batch Processing

Details

Model IDgpt-5.6-cyber

ProviderOpenAI

Creatoropenai

Familygpt-5.6

Licenseproprietary

Statusactive

Typechat

Input modalitiestext, image

Output modalitiestext

Open weightNo

Parameters—

Architecture—

Context window400K tokens

Max input272K tokens

Max output128K tokens

Reasoning tokensYes

Knowledge cutoff2026-02

Release date—

Sourceofficial

Tools

Function Callingfunction_calling

Call external functions and APIs

Endpoints

ResponsesPOST

Stateful multi-turn conversationshttps://api.openai.com/v1/responses

Pricing

Text tokensPer 1M tokens

	Input	Output	Cached input	30m write	12h write
Standard	$12.5	$75	$1.25	$15.625	$31.25

Family Comparison: gpt-5.6

Model	Caps	Perf	Speed	Context	Max out	Pricing
GPT-5.6 Luna	RTJJMSB			1.1M	128K	$0.2$1.2
GPT-5.6 Terra	RTJJMSB			1.1M	128K	$2$12

API

GET/v1/models/openai/gpt-5.6-cyber