In one informal test, OpenAI prompted GPT-4.5 and two other models, GPT-4o and o3-mini, to create a unicorn in SVG, a format for displaying graphics based on mathematical formulas and code. GPT-4.5 ...

Before any of those big upgrades arrive, OpenAI gave GPT-4o an unexpected upgrade that should improve the entire ChatGPT experience. The upgrade might also make ChatGPT Search better than before ...

The GPT-4o model (with an "o" that stands for omni) was initially released in May and impressed users with its ability to handle text, audio, and images as inputs and outputs. OpenAI recently ...