Open AI has unveiled GPT-5, its most advanced AI system yet, along with GPT-5 Pro, Mini, and Nano variants. For the first time, free Chat GPT users get access to a reasoning-capable model, while Pro and Plus subscribers enjoy higher limits and exclusive features. GPT-5 boasts improved accuracy, stronger coding skills, multimodal interaction, and a “safe completions” approach to sensitive topics. The rollout begins today for all 700M weekly active users.