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OpenAI has updated its GPT-5.5 Instant model, commonly used by ChatGPT users, to enhance its ability to understand context and adapt to user queries as they are refined with additional conditions or clarifications.
OpenAI has announced several new developments, including providing its GPT-5.5 model for US national security testing and making GPT-5.5 Instant the default for ChatGPT. The company also unveiled a new ChatGPT iOS app designed for workplaces and classrooms.
OpenAI announced that the standard ChatGPT model has been updated to GPT-5.5 Instant, a new version that offers improved accuracy and fewer hallucinations. These enhancements are particularly noticeable in specialized fields such as medicine, law, and finance.
OpenAI has rolled out GPT-5.5 Instant as the new default model for ChatGPT, promising improved accuracy and performance.