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
Settings
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
Benchmarks
Benchmarks
Human preference benchmarks sourced from Artificial Analysis.
Text to Video
#16 / 81
ELO
1212.0
Appearances
10,074
95% CI
-7/7
Image to Video
#23 / 75
ELO
1258.0
Appearances
4,876
95% CI
-9/9
Release Date 2025-12 · Matched as Runway Gen-4.5
Artificial Analysis APIRelated video models
Compare Runway Gen-4.5 with similar models from the same provider or model family.
InfiniteTalk
wavespeed-ai/infinitetalkAnimate one or two people from an image and audio tracks.
P-Video Edit
pruna-ai/p-video/editInstruction-based editing for videos up to 15 seconds, with optional reference-image guidance, Draft and Full quality modes, prompt enhancement, and source-audio preservation.
MiniMax H3 Max Turbo
minimax/h3-max-turboMiniMax H3 Max Turbo brings H3 Max prompt understanding and aesthetics to video generation at roughly twice the speed and half the cost while targeting 97% of its quality. Create 5–15 second 480p, 768p, or 1080p clips from text or a starting image, with optional first/last-frame transitions.
MiniMax H3 Spicy Image-to-Video
wavespeed-ai/minimax-h3/image-to-video-spicyOpen-weights MiniMax H3 image-to-video generation with expressive unrestricted motion, native stereo audio, optional last-frame control, 3–15 second clips, and 480p or 768p output.
Gemini Omni Flash 1.1
google/gemini-omni-flash/v1.1Google’s multimodal video model for text-to-video, image animation with optional end frames, multimodal reference generation, and instruction-based video editing. Generates synchronized native audio at resolutions from 360p through 4K.
MiniMax H3 Max
minimax/h3-maxGenerate from text, first/last frames, or image/video/audio references.