Question 1

What is the difference between text-to-video models and AI avatar presenters?

Accepted Answer

Text-to-video models (like Kling, Runway Gen-3, and Sora) generate complete cinematic scenes and physics simulations from prompts. AI avatar platforms (like HeyGen and Synthesia) produce photorealistic human presenters reading scripted voiceovers.

Question 2

Can AI video generators produce cinematic 4K video with sound?

Accepted Answer

Yes, modern multimodal video models generate synchronized Foley sound effects, ambient audio, and camera movements in high definition up to 4K resolution.

Question 3

How long does it take to render an AI-generated video clip?

Accepted Answer

Standard 5-to-10-second cinematic clips render in 60 to 180 seconds on cloud GPU clusters, with fast-mode options available for real-time draft previews.