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Veo 3.1

Google DeepMind

The most complete video generation system. Native audio, ingredients-to-video, style matching, character consistency, scene extension, object manipulation, camera/motion controls. State-of-art on MovieGenBench. The Swiss army knife of AI video, but at a premium.

SClosed

Runway Gen-4.5

Runway

The creative director's tool. Industry benchmark for character consistency.

Pick Veo 3.1 if…

You want audio-native cinematic content. Dialogue scenes with natural lip sync. Sound design-heavy pieces. Cinematic one-takes with ambient audio. Style-matched content (reference image). Character-consistent series. Professional 4K deliverables. VFX (add/remove objects, outpainting)..

Pick Runway Gen-4.5 if…

You want brand campaigns, character-consistent series, or agency production.

Specifications

Maker
Google DeepMind
Runway
Source Type
Closed Source
Closed Source
License
Commercial (subscription)
Commercial (subscription)
Architecture
Proprietary (state-of-art T2V, I2V, T2A+V)
Proprietary DiT
Parameters
Undisclosed
Undisclosed
Max Resolution
1080p and 4K
1080p (upscaled 4K)
Max Duration
8s base (extendable via scene extension)
10s clips
FPS
24-30
24-30
Native Audio
Yes
Yes
ComfyUI Support
No
No
Fine-tunable
No
No
Min VRAM
Cloud only
Cloud only
Cost / Second
$0.20
~$0.15 (credits)
Inputs
T2V, I2V (ingredients-to-video), Style Reference, Character Reference, Scene Extension, First+Last Frame, Outpainting, Add/Remove Object, Camera Controls, Motion Controls, Character Controls (body/face/voice drive)
T2V, I2V, References
On Floyo
Yes
No

Strengths & Trade-offs

Veo 3.1

Strengths

  • +Best native audio (dialogue + SFX + ambient + music, generated natively in same pass). State-of-art T2V per Meta MovieGenBench. Ingredients-to-video (1-3 reference images for scene/character/object). Style reference (match aesthetic from reference image). Character consistency across scenes. Scene extension with visual+audio consistency. First+last frame transitions. Outpainting for aspect ratio adaptation. Add/remove objects with physics-aware placement. Camera controls (dolly, zoom, pan). Motion controls (draw object paths). Character controls (body+face+voice drive animation). 1080p and 4K output. SynthID watermarking.

Trade-offs

  • -8s base clips (needs scene extension for longer). Most expensive per second ($0.20). Short speech segments still being refined. Cloud-only (no self-hosting). No open weights. Limited to Google ecosystem (Gemini, Flow, AI Studio, Vertex AI).

Best For

  • →Audio-native cinematic content. Dialogue scenes with natural lip sync. Sound design-heavy pieces. Cinematic one-takes with ambient audio. Style-matched content (reference image). Character-consistent series. Professional 4K deliverables. VFX (add/remove objects, outpainting).

Runway Gen-4.5

Strengths

  • +Best character consistency (References)
  • +Motion Brush
  • +30-90s gen
  • +30+ tools
  • +Act-Two mocap

Trade-offs

  • -10s clip limit
  • -opaque credits
  • -T2V inconsistent without guidance

Best For

  • →Brand campaigns
  • →character-consistent series
  • →agency production

Run these models on Floyo

Browser-based ComfyUI. No setup, no GPU required.

I2VVeo 3.1

Veo 3.1 Image to Video (First + Last Frame)

1.5k runs

Open Floyo →