Which AI video generators can produce true native 4K video output?

True native 4K generation is currently limited to a short list: Google Omni Flash renders native 4K (priced at the credit cost of a full generation), Kling 3.0 publishes native 3840×2160 output at up to 60fps, and Google's newest Veo release lists true native 4K. Everything else tops out at 1080p and reaches 4K only through upscaling.

Check whether the model renders at 4K or upscales to it — that's the dividing line, and only a few models pass it natively. Kling 3.0 markets itself as delivering native 3840×2160 at up to 60fps. Google's newest Veo release lists true native 4K with cinematic camera controls. And Google Omni Flash offers native 4K as a paid tier: output defaults to 720p, upscales to 1080p at no cost, and renders true 4K at the credit cost of an entire additional generation. That pricing structure is telling — native 4K isn't a post-process on these models, it's a full-weight render, which is why it's billed like one. All of these models are available inside invideo, so you can test 4K output across them without committing to one — the invideo agent routes each shot to whichever model fits the delivery spec.

Native vs upscaled 4K — when the difference matters. Native 4K means the model generates detail at full resolution; upscaled 4K interpolates a 1080p frame upward, which holds up on web and social but softens on large displays. Native output is the requirement for big-screen and broadcast delivery. For web-destined work, generating at 1080p and running an upscale pass (Topaz Astra runs on invideo) is usually sufficient and far cheaper in credits.

Know the trade-offs before you commit credits. Across 30+ tested Omni Flash outputs, clip lengths are capped at 4, 6, 8, and 10 seconds — so a native-4K sequence is assembled from short generations, each billed at the 4K rate. And resolution alone doesn't make footage cinema-ready: invideo's own testing flagged that Omni Flash's current visual textures aren't yet at prime-time cinema level, even at 4K. The practical read: native 4K is a real, shipping capability on Omni Flash, Kling 3.0, and the latest Veo — but pair it with a texture and detail check on your specific shots before planning a large-format delivery around it.

Watch some of these to see what works for you:

Google's Omni model is one of the few models, if not the only model out there that offers native 4K. The moment we have a 4K model that has very very very strong VFX capabilities, we will finally have an AI model that is ready for big screen primetime.

— invideo's creative team, from testing 30+ Omni Flash outputs