GPT-4o

GPT-4o leads as the most versatile AI model of 2025 with its native multimodal architecture processing text, audio, and images in a single end-to-end system—replacing the older GPT-4 Turbo. It scored 88.7% on MMLU and achieves near-human response latency for voice interactions, powering ChatGPT's most-used features for over 100 million weekly users.