OpenAI rolls out GPT-5.5 Instant as default ChatGPT model, promises more accurate responses

OpenAI has introduced GPT-5.5 Instant as the new default model for ChatGPT. This model offers faster response times and improved accuracy. The update aims to enhance user experience with more reliable and quicker AI interactions.

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PublishedTuesday, May 5, 2026 at 9:13 PMMay 5, 09:13 PM

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OpenAI has launched GPT-5.5 Instant. The new default ChatGPT model prioritizes factual accuracy, shorter responses, and improved visual reasoning.

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Opening the briefing

OpenAI rolls out GPT-5.5 Instant as default ChatGPT model, promises more accurate responses

Original article excerpt

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Opening the briefing

OpenAI rolls out GPT-5.5 Instant as default ChatGPT model, promises more accurate responses

Original article excerpt

Signal trust

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