OpenAI’s ChatGPT Completes Three Years Since Launch: Five Things to Know
ChatGPT turned three last week, marking an evolution from a text-only novelty to a multimodal AI platform used across industries. It grew quickly and hit major milestones with GPT-4, a freemium model, and by integrating real-time search. The ongoing year also brought agentic tools and advanced models like GPT-5.1 to the platform, expanding ChatGPT from a chatbot into a broad ecosystem for consumers, enterprises and developers.
