OpenAI releases GPT-5.5 Instant, a new default model for ChatGPT

OpenAI has released GPT-5.5 Instant as the new default model for ChatGPT. This model replaces the previous GPT-3.5 Instant, offering improved performance. The update aims to enhance user experience with faster and more accurate responses.

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Upgrading the default model improves ChatGPT's responsiveness and accuracy for all users.

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OpenAI

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Better model performance can increase user engagement and satisfaction, benefiting OpenAI's platform growth.

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Developers should consider integrating GPT-5.5 Instant to leverage improved capabilities.

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Sources in this thread (1): TechCrunch AI

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