Short answer:GPT-5.2 is not smarter than GPT-4o, but it is noticeably steadier than GPT-5.1 for long, multi-step work, showcasing improved AI reasoning consistency. Based on sustained professional use, GPT-5.2 maintains context, intent, and reasoning structure more consistently across extended sessions. GPT-4o still leads in raw reasoning depth, while GPT-5.1 tends...
