OpenAI has released numerous models with a confusing pattern of names over the past few years. It has developed both large language models like GPT-5 and GPT-4.5 and reasoning models like o1. Here's a ...

OpenAI’s latest model, GPT-5, introduces advanced reasoning, safer responses, and greater usability across all tiers, marking a significant upgrade over GPT-4. Chat GPT app icon is seen on a ...