GPT-5.5 series

Name: GPT-5.5 series
Author: Azure AI Foundry

proprietary

gpt-5.5

Intelligence

Reasoning

Speed

Context

1.1M

Max output

128K

Input price

$5/1M tokens

Output price

$30/1M tokens

Capabilities

Show unsupported (2)

Reasoning & Interaction

Reasoning

Tool Calling

Output Control

Structured Output

JSON Mode

Infrastructure

Streaming

Batch Processing

Details

Model IDgpt-5.5

ProviderAzure AI Foundry

CreatorOpenAI

Familygpt-5.5

Licenseproprietary

Statusactive

Typechat

Input modalitiestext

Output modalitiestext

Open weightNo

Parameters—

Architecture—

Context window1.1M tokens

Max input—

Max output128K tokens

Reasoning tokensYes

Knowledge cutoff2025-12

Release date2026-04-23

Sourceofficial

Pricing

Text tokensPer 1M tokens

	Input	Output	Cached input	30m write	12h write
Standard	$5	$30	$0.5	—	—
Batch	$2.5	$15	$0.25	—	—
Fast	$12.5	$75	$1.25	—	—

API

GET/v1/models/azure/gpt-5.5