Gemini 2.5 Flash is the default for Google’s rival AI chatbot. As the name suggests, it's built for speed, but that doesn't mean it lacks some power. It’s multimodal and can handle large tasks, but is tuned for near-instant responses and high efficiency.

OpenAI has since launched a series of updates to its chatbot, which now has over 700 million weekly users, according to the company. Read on to learn more about the latest version