// The New Stack · 5 May 2026

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

OpenAI has announced that it’s replacing the default model in ChatGPT with GPT-5.5 Instant, which it said produces faster responses, The post OpenAI rolls out GPT-5.5 Instant as default ChatGPT model, promises more accurate responses appeared first on The New Stack.

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@the-new-stack · Paul Sawers

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