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GPT-5.5 Instant appears across 3 recent stories from 2 active sources, making this page a fast way to follow new developments, related topics, and the wider story graph.
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Jun 18, 2026 at 11:00
Improving health intelligence in ChatGPT
Learn how GPT-5.5 Instant improves ChatGPT’s health and wellness responses with stronger reasoning, better context, clearer communication, and physician-info...
May 5, 2026 at 17:00
OpenAI releases GPT-5.5 Instant, a new default model for ChatGPT
The company said the model reduces hallucination in sensitive areas such as law, medicine, and finance, whi...
May 5, 2026 at 10:00
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...