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
Approx. Price
$0.660 per video
Model Type
both
Preview Examples
3
Generation controls available for this model.
Resolution/Aspect Options
10
Default Duration
5
3 duration options
Tunable Settings
3
Duration
Default
5
Options (3)
5 seconds, 8 seconds, 10 seconds
Length of the generated video
Public Figure Threshold
Default
auto
Options (2)
Auto, Low (more restrictive)
Controls strictness for public figure detection in moderation
Resolution
Default
1280x720
Options (10)
1280x720 (16:9), 720x1280 (9:16), 960x720 (4:3), 720x960 (3:4) +6 more
Runway Gen-4.5 supported dimensions
Human preference benchmarks sourced from Artificial Analysis.
Text to Video
#14 / 83
ELO
1219.0
Appearances
9,082
95% CI
-8/8
Image to Video
#19 / 76
ELO
1264.0
Appearances
4,475
95% CI
-10/10
Release Date 2025-12 · Matched as Runway Gen-4.5
Artificial Analysis APIChange the woman's clothes to red.
Runway sample from model gallery
Runway Gen-4.5 demo
Runway Gen-4.5 demo