Explainer-What is Microsoft-backed OpenAI's GPT-4 model?

FILE PHOTO: A keyboard is placed in front of a displayed OpenAI logo in this illustration taken February 21, 2023. REUTERS/Dado Ruvic/Illustration

(Reuters) - Microsoft Corp-backed startup OpenAI began the rollout of GPT-4, a powerful artificial intelligence model that succeeds the technology behind the wildly popular ChatGPT.

GPT-4 is "multimodal", which means it can generate content from both image and text prompts.