OpenAI: GPT-5.3 Chat
GPT-5.3 Chat is an update to ChatGPT's most-used model that makes everyday conversations smoother, more useful, and mor…
Live
Open / InstallLast updated July 27, 2026
Description
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...
Author
openai
Platform
api
Pricing model
paid
Categories
Productivity
Tags
openrouter
llm
openai
text
image
file
Capabilities
- Image input
- 128,000 token context