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 reduces unnecessary refusals, caveats, and overly cautious phrasing that can interrupt conversational flow.
Try NowEveryday conversations needing accuracy
Tasks requiring minimal caveats
General-purpose chat with context
128,000 tokens
16,384 tokens
$1.75
$14
$0.175
$15
$0.19