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Runway Gen-4.5 vs Veo 3.1 Fast

Side-by-side comparison of features, pricing, speed, and quality.

Verdict

Both Runway Gen-4.5 and Google Veo 3.1 Fast are premium-tier models. Runway Gen-4.5 stands out for #1 ranked for physical coherence, while Google Veo 3.1 Fast offers context-aware audio generation.

Feature Comparison

FeatureRunway Gen-4.5Veo 3.1 Fast
ProviderRunwayGoogle DeepMind
Tierpremiumpremium
Credit Cost5 ($2.50)5 ($2.50)
Generation Time~120s~60s
Audio Generation
Negative Prompt
Aspect Ratio Control
Duration Control
Seed Control
Quality Presets

Best For

Runway Gen-4.5

#1 ranked for physical coherence

  • Best physical coherence in the industry
  • Precise camera control
  • Cinematic visual quality
  • Multiple aspect ratios

Veo 3.1 Fast

Context-aware audio generation

  • Context-aware audio generation
  • Higher-fidelity video output
  • Image-to-video support
  • Multiple aspect ratios (16:9, 9:16, 1:1)

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