Private AI
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
Generation controls available for this model.
Output Format
Default Duration
5
3 duration options
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 / 77
ELO
1215.0
Appearances
9,694
95% CI
-7/7
Image to Video
#22 / 71
ELO
1259.0
Appearances
4,550
95% CI
-9/9
Release Date 2025-12 · Matched as Runway Gen-4.5
Artificial Analysis API