gpt-5.2-chat Preview

Name: gpt-5.2-chat Preview
Author: Azure AI Foundry

Historical specifications. - Chat Completions API. - Responses API . - Structured outputs - Functions, tools, and parallel tool calling.

Context

128K

Max output

16K

Capabilities

Show unsupported (4)

Reasoning & Interaction

Tool Calling

Output Control

Structured Output

JSON Mode

Infrastructure

Streaming

Model IDgpt-5.2-chat

CreatorOpenAI

License—

Status—

Typechat

Input modalitiestext

Output modalitiestext

Open weight—

Parameters—

Architecture—

Context window128K tokens

Max input—

Max output16K tokens

Reasoning tokens—

Knowledge cutoff2025-08

Release date—

Sourceofficial

Function Callingfunction_calling

Call external functions and APIs

Model	Caps	Perf	Speed	Context	Max out
gpt-5.2-chat Preview	TJJMS	—	—	128K	16K
gpt-5.2-codex	RTJJMS	—	—	400K	128K
GPT-5.2 series	RTJJMSB	—	—	400K	128K

GET/v1/models/azure/gpt-5.2-chat