GPT-5.3 INSTANT: SMOOTHER, MORE USEFUL EVERYDAY CONVERSATIONS

Summary from the TLDR Dev newsletter

OpenAI has released GPT-5.3 Instant, an update to ChatGPT's most-used model aimed at making everyday conversations more consistently helpful and fluid. This new version delivers more accurate answers, richer and better-contextualized results from web searches, and reduces unnecessary refusals and preachy disclaimers.