What is the context window of GPT-5.2 Chat?

GPT-5.2 Chat has a context window of 128K tokens.

When was GPT-5.2 Chat released?

GPT-5.2 Chat was released on 2026-01-01.

GPT-5.2 Chat

Name: GPT-5.2 Chat
Author: OpenAI

gpt-5.2-chat

ProprietaryMultimodal

About

GPT-5.2 Chat is the fast conversational variant of GPT-5.2, optimized for low-latency chat while retaining strong multimodal capabilities at 128K context.

GPT-5.2 Chat has a 128K-token context window.

Capabilities

VisionMultimodalReasoningFunction CallingTool UseStructured OutputsCode Execution

Rankings

Best AI Agents & Agentic Models Best Multimodal / Vision LLMs Best LLMs for Function Calling & Tool Use Cheapest LLM APIs Best LLM APIs Best LLMs for Enterprise Best LLMs for Writing Best LLMs for Marketing Best LLMs for Customer Support

Specifications

FamilyGPT-5.2

Released2026-01-01

Context128K

ArchitectureDecoder Only

Specializationgeneral

LicenseProprietary

Trainingpretrained

Created by

OpenAI

Cutting-edge research and development.

San Francisco, California, United States

Founded 2015

Website

Links

Website