L Models Best vision

GPT-5.3 Chat

Name: GPT-5.3 Chat
Author: OpenAI

by OpenAI

GPT-5.3 Chat is an update to ChatGPT's most-used model that makes everyday conversations smoother, more useful, and more directly helpful. It delivers more accurate answers with be

Visit OpenAI Submit your build →

Models

GPT-5.3 Chat

Added 10 July 2026

#openai

Overview

GPT-5.3 Chat is an update to ChatGPT's most-used model that makes everyday conversations smoother, more useful, and more directly helpful. It delivers more accurate answers with better contextualization and significantly...

How to use / API access

Call via OpenRouter with model id `openai/gpt-5.3-chat`.

openrouter · openai/gpt-5.3-chat Docs

OpenRouter id: openai/gpt-5.3-chat

Notes

GPT-5.3 Chat is listed in the EDNA Models directory from the OpenRouter catalogue.

← Back to Models Submit your own entry →