OpenAI

GPT-5.3 Chat

OpenAI • gpt-5-3-chat
Model Information
Slug gpt-5-3-chat
LLMs.txt View
Release Date March 4, 2026
Organization
Model 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...
Available at 13 Providers
Provider Type Model Name Original Model Input ($/1M) Output ($/1M) Free Actions
AIHubMix
AIHubMix
Chat Code
gpt-5.3-chat-latest
gpt-5.3-chat-latest $1.75 $14.00
CometAPI
CometAPI
GPT-5.3 Chat
gpt-5.3-chat-latest $1.75 $14.00
Abacus
Abacus
GPT-5.3 Chat Latest
gpt-5.3-chat-latest $1.75 $14.00
Mammouth AI
Mammouth AI
Chat
gpt-5.3-chat
gpt-5.3-chat $1.75 $14.00
LLM Stats
LLM Stats
Chat
GPT-5.3 Chat
gpt-5.3-chat-latest $1.75 $14.00
Merge Gateway
Merge Gateway
GPT-5.3 Chat Latest
openai/gpt-5.3-chat-latest $1.75 $14.00
302.AI
302.AI
gpt-5.3-chat-latest
gpt-5.3-chat-latest $1.75 $14.00
Opper
Opper
GPT-5.3 Chat (latest)
gpt-5.3-chat-latest $1.75 $14.00
Yupp
Yupp
Chat
GPT-5.3 Instant
gpt-5.3-chat-latest - -
OpenAI
OpenAI
Chat Code
gpt-5.3-chat-latest
gpt-5.3-chat-latest - -
Airforce API
Airforce API
gpt-5.3-chat
gpt-5.3-chat - -
Airforce API
Airforce API
gpt-5.3-chat-latest
gpt-5.3-chat-latest - -
UsePod
UsePod
P2P
gpt-5-3-chat
gpt-5-3-chat - -