About HappyHorse 1.0
HappyHorse 1.0 is the #1 ranked AI video generation model on Artificial Analysis Video Arena (April 2026). HappyHorse 1.0 uses a unified 40-layer Transformer architecture with 15B parameters to generate video and audio simultaneously. Native 1080p HD output with synchronized audio in 7 languages.
Our Mission
We're democratizing cinematic video creation. HappyHorse 1.0 makes professional video production accessible to creators, marketers, and businesses worldwide. With 5-8 second clips, native 1080p HD, and unified audio-video generation, we empower anyone to create stunning video content without technical expertise.
- Video Length
- 5-8s
- Max Resolution
- 1080p
- Aspect Ratios
- 5
- Arena Rank
- #1
Our values
- Unified Architecture
- 40-layer Transformer with 15B parameters. HappyHorse 1.0 generates video and audio simultaneously in a single pass — no separate audio model needed.
- Quality
- Native 1080p HD output across 5 aspect ratios (16:9, 9:16, 4:3, 21:9, 1:1). No upscaling or cropping — HappyHorse 1.0 generates at your target resolution.
- Innovation
- Single-stream Transformer processing text, video, and audio in unified self-attention. HappyHorse 1.0 leads the Artificial Analysis Video Arena with a 116-point Elo advantage.
- Versatility
- Text-to-video and image-to-video generation with audio-visual sync. 7-language lip-sync support including English and Mandarin.
- Accessibility
- Web-based interface with simple text prompts. HappyHorse 1.0 requires no technical expertise or software installation — just describe your vision and generate cinematic video.