OpenAI today updated its most popular ChatGPT model, debuting GPT-5.3 Instant. GPT-5.3 Instant is supposed to provide more accurate answers and better contextualized results when searching the web. The update also cuts down on unnecessary dead ends, caveats, and overly declarative phrasing, plus it has fewer hallucinations.

According to OpenAI, it tweaked the Instant model to address complaints about tone, relevance, and conversational flow, which are issues that don’t show up in benchmarks. GPT-5.2…

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