Private AI
Unified HappyHorse 1.0 video model. Routes to text-to-video, image-to-video, reference-to-video, or video edit based on the inputs you provide.
Added Apr 26, 2026
Approx. Price
$0.420 per video
Model Type
both
Generation controls available for this model.
Output Format
Default Duration
5
13 duration options
Aspect Ratio
Default
16:9
Options (5)
16:9 (Landscape), 9:16 (Portrait), 1:1 (Square), 4:3 +1 more
Used for text-only generations and optional for reference/edit flows.
Duration
Default
5
Options (13)
3 seconds, 4 seconds, 5 seconds, 6 seconds +9 more
3-15 seconds
Mode
Default
auto
Options (3)
Auto-detect, Edit Video, Reference to Video
Auto-detect uses your uploads. Multiple reference images route to reference-to-video. Video input routes to video edit.
Prompt Expansion
Default
true
Options (2)
true, false
Use AI to expand your prompt
Human preference benchmarks sourced from Artificial Analysis.
Text to Video
#3 / 77
ELO
1285.0
Appearances
7,079
95% CI
-9/9
Image to Video
#8 / 71
ELO
1290.0
Appearances
6,140
95% CI
-10/10
Release Date 2026-04 · Matched as HappyHorse-1.0
Artificial Analysis APIResolution
Default
720p
Options (2)
720p, 1080p
Output resolution