GPT-5.3 Instant reduces hallucinations by 26.8% on web queries and 19.7% on internal knowledge — OpenAI's most-used model now ...

OpenAI rolls out GPT-5.3 Instant, improving ChatGPT with fewer refusals, smarter web answers, lower hallucination rates, and stronger writing.

OpenAI has launched GPT-5.3 Instant, the newest version of the model that powers daily conversations on ChatGPT. The update ...

I tried GPT-5.4, and most answers were really good - but a few had me concerned ...

OpenAI has heard the complaints that ChatGPT too often answers a simple question with a long list of its limitations, and has released GPT-5.3 ...

Instant today, an updated version of ChatGPT’s most-used model designed to deliver more accurate answers and improved conversational flow ...

OpenAI may face significant fines after a watchdog group alleged the company violated California's new AI safety law with the ...