Google unveiled the next generation of its image and video generation artificial intelligence (AI) models on Tuesday at the I/O 2025 event. Dubbed Imagen 4 and Veo 3, these multimodal AI models arrive with new capabilities and upgrades over their predecessors. While Imagen 4 features faster generation times and improved text rendering, Veo 3 gets native audio generation capability and can integrate background sound and dialogues in generated videos.