To ensure continued access to the most advanced large language models (LLMs), ITS is pleased to announce the addition of several new OpenAI models to the HKU ChatGPT web app (https://chatgpt.hku.hk), effective 29 August 2025. The newly available models include GPT-5, GPT-5-mini, GPT-5-nano, and GPT-5-chat, all designed to provide improved performance and enhanced AI capabilities for our users.
- gpt-5, gpt-5-mini, and gpt-5-nano are advanced reasoning models, suitable for complex analytical tasks.
- gpt-5-chat is a general-purpose model optimized for conversational and diverse applications.
At the same time, we are pleased to introduce the gpt-image-1 model to the HKU DALL-E web app (https://dalle.hku.hk). This model enables users to generate higher-quality images, further expanding the creative possibilities available on our platform.