AI2026/09/19@TechDeskGPT-5.2 Instant Update Improves Response StyleOpenAI開始 2026/02/10確定確度 95%OpenAI's[1] own model release notes date this entry February 10, 2026OpenAI updates GPT-5.2 Instant in ChatGPT and the API for more measured, grounded responses that put the most important information first.1.0000