Happy Horse

AI video generator that creates viral videos from text and images

4.2

Introduction

Happy Horse 1.0 is a cutting-edge AI video generation tool based on an integrated transformer model with approximately 15 billion parameters. It supports diverse input methods including text prompts, first/last frame images, and multimodal references, and boasts impressive speed—generating 256p 5-second clips in about 2 seconds on a single H100 GPU. Ranking in the top tier on the Artificial Analysis (AA) leaderboard with approximately 1,392 ELO score, it outperforms competing models in both image-to-video and text-to-video. It supports 6+ languages including Korean, Chinese (Mandarin/Cantonese), English, Japanese, German, and French, with excellent lip-sync performance that delivers natural results even in dialogue scenes. It also provides a comprehensive AI toolset for creators including viral script generation, thumbnail design, hook & title optimization, content idea generation, and multi-platform optimization. It can be used immediately without login and offers flexible credit-based pricing.

Key Features

Text prompt-based video generation
Image-to-video conversion support
Multimodal input for reference images, videos, and audio
AI lip-sync and voice alignment
Fast inference speed with 8-step denoising
Automatic viral script and hook generation
Multi-platform optimization for TikTok, YouTube, Instagram, etc.
6+ language support (Korean, English, Chinese, etc.)

Use Cases

Short-form viral video production for TikTok, YouTube, InstagramProduct promotion and brand advertising video generationPodcast clip visualizationMultilingual educational and marketing content creationSNS thumbnail and hook title optimizationBulk content automation production for MCN and studios