gpt-5:_everything_we_know_about_the_next_major_chatgpt_ai_upgrade' title='ChatGPT AI upgrade'>GPT-5: Everything we know about the next major ChatGPT AI upgrade.'>ChatGPT AI upgrade'>GPT-5: Everything we know about the next major ChatGPT AI upgrade. gpt-4_surpasses_chatgpt_in_its_advanced_reasoning_capabilities' title='ChatGPT in its advanced reasoning capabilities.'>GPT-4 surpasses ChatGPT in it..