NEWSOpenAI Blog·5/5/2026
GPT-5.5 Instant: smarter, clearer, and more personalized
GPT-5.5 Instant enhances ChatGPT’s default model. It provides smarter, more accurate answers, reduced hallucinations, and improved personalization controls.
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GPT-5.5 Instant enhances ChatGPT’s default model. It provides smarter, more accurate answers, reduced hallucinations, and improved personalization controls.