[OpenAI: GPT-5.1 Version to Launch This Friday] Odaily Planet Daily reports that OpenAI announced on the X platform that the GPT-5.1 version of ChatGPT will be available to all users this week. It is smarter, more reliable, and more conversational. In short, GPT-5.1 performs better in the following areas: - Adhering to customized instructions - Using reasoning abilities to provide more accurate answers Overall, its conversational capabilities are also stronger. GPT-5 will continue to be available to paid users for three months; the phase-out of GPT-5 will not affect the availability of other older models. OpenAI also announced that GPT-5 Pro will soon be updated to GPT-5.1 Pro.