OpenAI has launched a significantly upgraded version of its language model, GPT-4 Turbo, which is now available to ChatGPT Plus users. This new version boasts enhanced capabilities in coding, writing, mathematical reasoning, and logical thinking, with a knowledge cutoff till December 2023. It is specifically designed to be more direct and less verbose in its interactions. The rollout includes access via API and is now integrated into ChatGPT for premium subscribers, available on desktop only. Additionally, OpenAI has introduced new features such as image editing and style exploration in ChatGPT.