Happy Horse 1.0 — The #1 Open-Source AI Video Generator
Blazing Fast, Multilingual, Fully Open Source. Turn Any Idea Into Stunning Videos Instantly.
Experience the world's fastest open-source AI video generator. Happy Horse 1.0's revolutionary 15B-parameter unified Transformer with DMD-2 distillation generates 1080p videos in just 38 seconds—only 8 denoising steps required. Native text-to-video with synchronized audio, lip-sync in 7 languages, and full commercial rights. Ranked #1 on Artificial Analysis Video Arena.
Happy Horse 1.0 Video Generator
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Why Happy Horse 1.0 Is the #1 Open-Source AI Video Generator
15B unified Transformer, DMD-2 distillation, 7-language lip-sync, and 1080p in ~38 seconds—fully open source with commercial rights.
Blazing Fast — 1080p in ~38 Seconds
Revolutionary DMD-2 distillation requires only 8 denoising steps. Generate 1080p videos in ~38 seconds on H100, or 256p preview in just ~2 seconds. Outperforms Seedance 2.0, Ovi 1.1, and LTX 2.3 in speed.
15B Unified Transformer Architecture
Single 40-layer self-attention Transformer processes text, image, video, and audio tokens in one sequence. Sandwich architecture with modality-specific layers eliminates multi-stream complexity.
Native Video + Audio Generation
Joint video and audio generation in a single pass. Industry-leading audio-video coherence with natural lip-sync, dialogue, ambient sounds, and Foley effects—all natively synchronized.
7-Language Native Lip-Sync
Phoneme-level lip synchronization in English, Mandarin, Cantonese, Japanese, Korean, German, and French. Exceptionally low Word Error Rate (WER) for realistic character dialogue scenes.
100% Open Source + Commercial Ready
Fully open-source: base model, distilled model, super-resolution module, and inference code. Full commercial usage rights for ads, YouTube, client work, and all business purposes.
High Physical Realism
Exceptional realism in character dialogue scenes and physical interactions. Persistent character identity with consistent facial features, clothing, and body type across scenes.
Happy Horse 1.0 — Frequently Asked Questions
Everything you need to know about the world's fastest open-source AI video generator
What is Happy Horse 1.0? How do I create AI videos?
Happy Horse 1.0 is a groundbreaking open-source SOTA AI video generator that topped the Artificial Analysis Video Arena leaderboard. Built on a revolutionary 15B-parameter unified Transformer with DMD-2 distillation, it generates 1080p videos in ~38 seconds with only 8 denoising steps. Supports text-to-video, image-to-video, and native joint audio generation with lip-sync in 7 languages (English, Mandarin, Cantonese, Japanese, Korean, German, French).
How much does Happy Horse 1.0 cost? What are the pricing plans?
We offer flexible plans for any budget. Monthly subscriptions start at $11.90/month (540 credits) up to $99.99/month (6,000 credits). One-time credit packs range from $19.90 (800 credits) to $399.90 (28,000 credits). Each video costs at least 10 credits, with higher usage depending on resolution and settings. New users get free credits to try all features. The model is also fully open-source for self-hosting.
What's the difference between text-to-video and image-to-video?
Text-to-video creates videos from natural language prompts with native audio generation. Image-to-video animates uploaded photos with physics-accurate movement and facial preservation. Both output up to 1080p with synchronized audio. Happy Horse 1.0 outperforms Seedance 2.0, Ovi 1.1, and LTX 2.3 with 80%+ win rates in blind tests.
How long can AI videos be? What quality do I get?
Generate 5–8 second videos in multiple resolutions (256p to 1080p) and aspect ratios (16:9, 9:16, 4:3, 3:4, 21:9, 1:1). Output features natural motion, rich facial expressions, precise lip-sync with exceptionally low Word Error Rate (WER), and industry-leading audio-video coherence—perfect for TikTok, YouTube Shorts, Reels, and more.
Can I use Happy Horse 1.0 videos for commercial projects?
Absolutely. Every video includes 100% commercial rights and copyright ownership. The platform offers enterprise-ready infrastructure with high uptime. Use for advertising, YouTube monetization, e-commerce, client work, social media, and any commercial purpose. The fully open-source model also allows custom fine-tuning and self-hosting.
What is your refund policy? Do credits expire?
We offer refunds for unused credits within 3 days of purchase. Daily check-in bonus credits never expire. Subscription credits roll over month-to-month, so you never lose what you paid for. Fair, creator-friendly pricing is our commitment.
Why is Happy Horse 1.0 so fast? What makes it different?
Happy Horse 1.0's speed comes from DMD-2 distillation requiring only 8 denoising steps (no CFG needed), timestep-free denoising, per-head gating, and MagiCompiler acceleration. The unified 40-layer Transformer processes text, image, video, and audio tokens in a single sequence with a sandwich architecture—eliminating multi-stream complexity while achieving SOTA quality.
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Ready to Experience Happy Horse 1.0?
The #1 SOTA AI video generator—blazing fast, multilingual, fully open source.
Create stunning AI videos in ~2 seconds. Text-to-video, image-to-video with native audio sync.
Open GeneratorAffordable plans for SOTA video generation with full commercial rights.
View PricingDiscover how Happy Horse 1.0's 15B parameter model delivers exceptional results.
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