Happy Horse

What is Happy Horse?

Happy Horse is the world's #1 AI video generator, revolutionizing content creation by transforming text, images, and audio into cinema-quality videos. Powered by a groundbreaking 40-layer unified Transformer architecture, it processes text, image, video, and audio tokens in a single sequence, enabling seamless multi-modal fusion. This unique design includes modality-specific layers and 32 shared-parameter layers, allowing for unprecedented coherence and quality.

Key features include multi-shot storytelling, which generates coherent scene sequences from a single prompt with persistent character identity, consistent visual style, and natural transitions—no manual editing required. The model achieves timestep-free denoising with only 8 diffusion steps and no classifier-free guidance, resulting in fast generation: a 5-second 256p video in ~2 seconds and full 1080p output in ~38 seconds on H100. Native audio generation produces perfectly synchronized dialogue, ambient sounds, and Foley effects, with ultra-low WER lip-sync supporting 7 languages: English, Mandarin, Japanese, Korean, German, French, and Cantonese.

Output supports multiple aspect ratios (16:9, 9:16, 4:3, 3:4, 21:9, 1:1) optimized for YouTube, TikTok, Instagram, and cinema. Every paid plan includes commercial licensing, premium models, priority queue access, and more credits. Start free with 10 credits; upgrade to 600 credits/month ($0.025/credit, $178.8/year), 1,500 credits/month ($0.017/credit, $298.8/year), or 6,000 credits/month ($0.010/credit, $598.8/year). Cancel anytime. Happy Horse 1.0 is built for professionals and creators seeking broadcast-ready, crisp, and detailed video output.

Use Cases

Key Features

AI video generation multi shot storytelling persistent character identity consistent visual style native audio generation ultra low WER lip sync fast video rendering multi modal fusion multiple aspect ratios 7 language support

Who is it for?

content creators, video producers, marketers, filmmakers, social media managers, advertising agencies, educators

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