runwayReleased Dec 1, 2025

Runway: Gen-4.5

Runway Gen-4.5 is a video generation model from Runway for text-to-video and image-to-video workflows. It is designed for cinematic scene creation with strong motion quality, visual fidelity, and prompt adherence....

Provider endpoints0
Benchmark results1
Measured performance

Benchmark results

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912.79

Text-to-video · silent evaluation · all categories · resolution=720p

95% CI 893.79–931.79 · n=2,932

Independent result
Access & cost

Prices across providers

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Model specifications

Developer
runway
Modality
Video
Context
Not reported
Maximum output
Not reported
Weights
Not reported
Released
Dec 1, 2025
Provider listed
Nov 23, 2025
First discovered
Oct 16, 2026

Exact identities

  • openrouterrunway/gen-4.5
  • aa-video440843ac-4961-4eef-a504-158724c11fee

Sources

Updated Oct 18, 2026

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runwayListed Jul 29

Runway: Aleph 2.0

Runway Aleph 2.0 is an in-context video editing model from Runway. It applies text instructions and keyframe-guided edits across existing footage while preserving details that are not meant to change....

Image inputVideo inputNo reported score
No reported score
Price not listed