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
Preview Examples
4
Generation controls available for this model.
Resolution/Aspect Options
2
Default Duration
5
13 duration options
Tunable Settings
5
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
Resolution
Default
720p
Options (2)
720p, 1080p
Human preference benchmarks sourced from Artificial Analysis.
Text to Video
#1 / 81
ELO
1355.0
Appearances
8,362
95% CI
-10/10
Image to Video
#1 / 74
ELO
1395.0
Appearances
8,130
95% CI
-11/11
Release Date 2026-04 · Matched as HappyHorse-1.0
Artificial Analysis APIA young woman standing in the dusty living room of her childhood home during the afternoon, holding an old cassette tape she has just found in a drawer. The room is filled with old furniture, framed family photos, and soft sunlight coming through thin curtains. Her expression is nostalgic and slightly emotional. Realistic cinematic photography, intimate family drama, warm muted tones, slice-of-life storytelling, film still
HappyHorse Text-to-Video | 5s | 720p | 16:9
A lone female explorer wearing a sand-colored cloak walks across a vast desert at dawn, carrying an ancient map and a small lantern. Wind blows sand across the dunes. In the distance, a massive forgotten temple slowly emerges from the morning mist. She stops, unfolds the map, and realizes she has found the lost city. Begin with an aerial wide shot over endless dunes, then track behind her footsteps in the sand. Cut to a close-up of her hands holding the old map, then a dramatic low-angle shot of the temple rising in the distance. Epic cinematic adventure, golden sunrise, sweeping camera movement, mysterious atmosphere, highly detailed environment.
HappyHorse Reference-to-Video | 5s | 720p
Change the setting in the video to a fashion runway.
HappyHorse Video Edit | 5s | 720p
Continue the scene with a slow forward camera movement, the subject walking deeper into the alley, soft rain beginning to fall, stronger reflections on the ground, and a cinematic moody nighttime atmosphere
HappyHorse Video Extend | 5s | 720p
Output resolution