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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 releases GPT-5.3 Instant for ChatGPT with fewer refusals, improved web answers, and reduced hallucinations across major benchmarks.

OpenAI is rolling out GPT-5.3 Instant today. OpenAI wants to make ChatGPT feel smoother in the places people actually notice.

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OpenAI has released GPT-5.3 Instant, a ChatGPT update delivering 27% fewer hallucinations, a less preachy tone, and improved ...

OpenAI has rolled out GPT-5.3 Instant, a major update to the model that powers the most common ChatGPT experience, designed ...