Google Flow (Veo 3.1) vs Marble (World Labs)
Trailers & marketing · checked · Compare different tools
Google Flow (Veo 3.1) ranks higher in Trailers & marketing (#2 vs #6). How we score
How they differ
How each one works, from its own docs.
Built on Google's Veo and Omni models around a shot workflow (frames, ingredients, extend, Scenebuilder). Omni adds chat-driven edits of uploaded footage. Kling and Seedance are single-generator rivals. Runway and Luma are multi-model suites.
Best for: Storyboarding and producing short trailer sequences shot by shot, keeping characters consistent with ingredient images.
Gives you a walkable 3D space, not a picture, and you edit the world itself. HunyuanWorld 1.0 does similar panorama-to-3D work but you host and script it yourself.
Best for: Explorable 3D environment drafts, previs and trailer flythroughs; treat output as a starting point, not finished, optimised level geometry.
Google Flow
Marble
Web app at flow.google.com (labs.google/flow redirects there), included with Google AI subscriptions. Has a built-in Flow Agent.
Web app (desktop recommended, limited on mobile) and the World API
Text prompts, start and end frames, ingredient reference images (uploaded or made with Nano Banana), uploaded video up to 60 seconds for Omni edits, voice presets.
Text, one image, several images placed front/back/left/right, a 360 panorama, video under 100MB, or a Chisel blockout of boxes and planes
Veo 3.1 clips of 4–8 seconds or Gemini Omni Flash clips of 4–10 seconds (720p, 360p draft), 16:9 or 9:16, with sound. Scenes download from Scenebuilder.
An explorable 3D world in about 5 minutes (draft about 20s): Gaussian splats (SPZ/PLY), panorama, collider mesh, high-quality GLB mesh (Pro), flythrough video
Model per shot (Veo 3.1 Lite/Fast/Quality, Omni Flash), frames-to-video, ingredients-to-video, conversational video-to-video edits, Flow Agent for multi-step tasks, no-code custom Tools.
Chisel separates layout from style; direction-tagged image inputs; text prompt sets the look
Extend Veo clips, edit through up to three chat turns, keep versions in History, save frames as new start frames, and arrange and trim shots in Scenebuilder.
Select part of the panorama and describe a change, click to expand into unexplored areas, generate variations, Compose several worlds together
Pick Google Flow (Veo 3.1) if you want
- Native dialogue, SFX and ambience generated with the picture
- Gemini Omni Flash (same Flow plan) is #1 on AA image-to-video (silent) and #4 with audio, useful for animating key art or screenshots
- Commercial use allowed on every plan, including free
Watch out: Veo 3.1 itself ranks #19-31 on AA and lost to Seedance and Kling in two same-prompt tests; Clips capped at 8 s for Veo 3.1 (10 s for Omni Flash, extendable to 40 s)
Pick Marble (World Labs) if you want
- Explorable 3D environments and flythrough shots
How they score
Each signal is out of 100. Higher wins.
See all 8 sources
Google Flow (Veo 3.1)
- Artificial Analysis Video Arena AA-Video-T2V-Silent v2.1: Gemini Omni Flash 1.1 #8 of 32
- Artificial Analysis Video Arena AA-Video-T2V v2.1 (with audio): Gemini Omni Flash 1.1 #10 of 30
- Artificial Analysis Video Arena AA-Video-I2V-Silent v1.0: Gemini Omni Flash (1.0, May 2026) #1 of 81
- Artificial Analysis Video Arena AA-Video-I2V v1.1 (with audio): Gemini Omni Flash 1.1 #4 of 23
- UD Veo 3.1 was rated best on prompt adherence (87% vs 72% Runway, 68% Kling, quoting a 'Pixflow' benchmark) and praised for native dialogue/SFX/ambience in one pass, saving time on narrated clips; but it sometimes produced an 'AI face' and had the wrong number of fingers in 2 of 5 generations. Recommended for marketing and narrated content.
- YouTube: Dan Kuda AI, 'I Tested 3 AI Video Generators: Which Keeps Character Consistency?' Veo 3.1 'disappointed me completely': unnatural motion, the character barely held to the references, extra first/last-frame steps, same cost as Seedance for worse results, and a rooftop-sniper scene was blocked by safety filters. Verdict: skip it (in Runway).
- YouTube: Ans, 'I tested Seedance 2.0 vs Kling 3.0 vs VEO 3.1' Veo 3.1 came third on most of 10 prompts (poor fight choreography and dialogue scenes, odd extra actions, wrong product colour), with one good POV/weather result; the tester notes Veo is limited to 8 s per generation.
- Android Police: 'I tried Gemini Omni, and I wasn't ready for how futuristic it felt' Hands-on with Gemini Omni (Gemini app, paid tier): templates, a physically accurate camera-sensor explainer, photo-to-video with lip-synced singing, and conversational edits that kept continuity. 'I went in skeptical, and I came out thoroughly blown away.'
Marble (World Labs)
No independent sources yet.
Vendor claims (not scored): Google Flow (Veo 3.1): Flow offers Veo 3.1 Lite/Fast/Quality plus Gemini Omni Flash 1.1, which adds 10 s clips, start and end frames, editing of uploaded and generated video, custom voices and cheaper 360p drafts; all users can access Omni models. source · Google Flow (Veo 3.1): Google AI Plus, Pro and Ultra plans include Flow credits 'with access to Gemini Omni Flash'. source
At a glance
Full comparison: every fact, with sources
Google Terms of Service (effective 30 Jul 2026), 'Your content': Google won't claim ownership of original content you generate. Flow's help centre answers the commercial-use question with this clause. The ToS bars using generated content to build ML models; all outputs carry SynthID, and a visible watermark is forced for users in India, South Korea and Vietnam below the top Ultra plan. source
Billing docs list "commercial rights to generated worlds" on the Pro plan. Commercial terms for Free and Standard: unverified. source
Rows marked ● differ between the two tools. Licence badges: green = commercial use allowed (including any free plan or trial), amber = paid plans only, restricted, or allowed but with no free plan, red = not allowed, grey = not stated by vendor or not applicable. Read the vendor's current terms before you ship.