GPT-5.5 Instant updates ChatGPT’s default model with smarter, more accurate answers, reduced hallucinations, and improved personalization controls.
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GPT-5.5 Instant: smarter, clearer, and more personalized
GPT-5.5 Instant updates ChatGPT’s default model with smarter, more accurate answers, reduced hallucinations, and improved personalization controls.
May 5, 20261 min readPublished byOpenAI
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