Runway Gen-4.5

runway-gen-45

Runway Gen-4.5

runway-gen-45

Runway Gen-4.5 video generation via Runware. Supports text-to-video and image-to-video with multiple aspect ratios, 5/8/10 second durations, and 24 FPS output.

Added Feb 4, 2026

Starting Price

From $0.660 per video

Final price depends on the selected settings and is shown before generation.

Model Type

both

Settings

Generation controls available for this model.

Output Format

up to 1,920px

Default Duration

5

3 duration options

Duration

Select

Default

5

Options (3)

5 seconds, 8 seconds, 10 seconds

Length of the generated video

Public Figure Threshold

Select

Default

auto

Options (2)

Auto, Low (more restrictive)

Controls strictness for public figure detection in moderation

Resolution

Select

Default

1280x720

Options (10)

1280x720 (16:9), 720x1280 (9:16), 960x720 (4:3), 720x960 (3:4) +6 more

Runway Gen-4.5 supported dimensions

Benchmarks

Human preference benchmarks sourced from Artificial Analysis.

Text to Video

#22 / 30

ELO

924.0

Appearances

2,930

95% CI

-13/13

Image to Video

#24 / 76

ELO

1265.0

Appearances

3,554

95% CI

-10/10

Release Date 2025-12 · Matched as Runway Gen-4.5 (720p)

Artificial Analysis API

Examples

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