GPT-5.3 Chat

Name: GPT-5.3 Chat Latest
Author: OpenAI

Retired · 2026-08-10Chat modelGPTGPT-5.3

GPT-5.3 Chat Latest

Release date: 2026-03-01Updated: 2026-09-04Retired: 2026-08-10Views: 31

Live demoGitHubHugging FaceCompare

Parameters

No data

Context length

No data

Multilingual

No data

Reasoning ability

No data

GPT-5.3 Chat Latest is an AI model published by OpenAI, released on 2026-03-01, for Chat model, with a 1686.60 score on Creative Writing.

Data sourced primarily from official releases (GitHub, Hugging Face, papers), then benchmark leaderboards, then third-party evaluators. Learn about our data methodology

GPT-5.3 Chat

Model basics

Reasoning traces

No data

Thinking modes

Thinking modes not supported

Context length

No data

Max output length

No data

Model type

Chat model

Modality (in / out)

Text, Image → Text

Release date

2026-03-01

Model file size

No data

MoE architecture

Total params / Active params

No data / Not applicable

Knowledge cutoff

No data

GPT-5.3 Chat

Open source & experience

Code license

Proprietary

Weights license

Proprietary

GitHub repo

N/A

Hugging Face

N/A

Live demo

N/A

GPT-5.3 Chat

Official resources

Paper

N/A

DataLearnerAI blog

N/A

GPT-5.3 Chat

API details

API speed

No data

No public API pricing yet.

GPT-5.3 Chat

Benchmark Results

GPT-5.3 Chat currently shows benchmark results led by Creative Writing (28 / 106, score 1686.60), LiveBench (71 / 117, score 60). This page also consolidates core specs, context limits, and API pricing so you can evaluate the model from benchmark results and deployment constraints together.