Best AI video generator for YouTube
Alibaba Cloud Wan, Google Veo, LTX Studio and SceneMixer pass all three checks. Sixteen more vendors pass two. The checks read published specifications and say nothing about how the footage looks once uploaded. As of 2026-09-25. The rule below was written before the places were computed, and no maker pays to be listed.
1Three checks for one channel and two shapes
A channel that posts long videos to YouTube and clips to Shorts needs footage in two shapes, 16:9 for the main feed and 9:16 for Shorts, at a resolution YouTube will serve in HD, and it needs to know whether a mark will sit in the corner. A vendor passes a check when its own specification says so.
2The delivery table
Inclusion rule. Makers among the 29 in the register whose pages state at least one of the points listed above; the one with none are left out. Order. Descending by points; ties share a rank and break alphabetically.
3The specification pages behind the first places
- Wan3.0 video generationAdaptive by default; fixed shapes run from 21:9 cinema width through 16:9, 4:3 and square 1:1 to 3:4 and 9:16 portraitratio parameter
- Wan3.0 video generation1080P, 720P or 480P, with 1080P the defaultresolution parameter
- Wan3.0 video generationA watermark parameter; off by default, so no watermark is addedwatermark parameter
- Veo 3.1Landscape 16:9 by default, or portrait 9:16control the aspect ratio
- Veo 3.1720p, 1080p or 4k generated directly; 4k is not available for Veo 3.1 Litecontrol the resolution
- LimitationsEvery video carries a SynthID watermark that can be verifiedwatermarking
- LTX-2.516:9 landscape or 9:16 portrait at each resolutionresolutions table
- LTX-2.5Up to 4K on LTX-2.5, Fast and Pro, in portrait and landscape (3840x2160 landscape)resolutions
- LTX-2.5 overview4K HDR output named on the model page
- Studio plansNo watermarking on paid Studio plansfeatures
- Aspect ratio16:9 landscape by default, or 9:16 portrait, chosen once per project
- Quick answerResolution is set by the tier: Wan 3.0 at 480P (the default), 720P and 1080P, and a MiniMax H3 tier at 2K
- The labelA corner badge and AI-generated-content metadata; always added without a paid plan, off by default on paid plans
| If this point matters most | Makers whose pages state it |
|---|---|
| Makes both landscape and portrait video | Alibaba Cloud Wan, Google Veo, LTX Studio, SceneMixer, Adobe Firefly, Dreamina, Grok Imagine, OpenAI Sora, Pexo, PixVerse, Revid AI, Vidu |
| Outputs 1080p or sharper | Alibaba Cloud Wan, Google Veo, LTX Studio, SceneMixer, Adobe Firefly, Crreo, DomoAI, DramaSo, Filmora, Grok Imagine, HeyGen, MagicLight, OpenAI Sora, Pexo, PixVerse, Revid AI, Runway, Topview, Vidu, Flixly, Higgsfield, Kling AI, Luma, M Studio, MiniMax |
| States how its watermark is handled | Alibaba Cloud Wan, Google Veo, LTX Studio, SceneMixer, Crreo, DomoAI, DramaSo, Dreamina, Filmora, HeyGen, MagicLight, Runway, Topview, Amazon Nova Reel, Pika |
Inclusion rule. Each row is one point from the list above, with every maker whose own pages state it, in the order of the ranking.
4What the checks do not cover
A pass on resolution means the vendor prints 1080p or more on some tier; it does not say which tier or what it costs. The watermark check counts any stated policy, a mark removed on paid plans included, because a channel first needs to know. Clip length is on the specification sheet and is not part of this table.
One of the 29 vendors on the sheet pass none of the three checks and are not in the table.
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The checks come from the sheet's aspect ratio, maximum resolution and watermark columns. The TV show episode table swaps the watermark for length and frame rate; both open from the spec rankings.