Starter Pack
$12.90
- 300 Credits
- ~37 videos
- $0.348 per video
- Unlock all models and benefits
- SOTA video + audio generation
- Stable generation queue with consistent delivery
- Access to GPT Image 2.5 Flare & Sunburst
- Credits never expire
Overview
Happy Horse 1.0 is a state-of-the-art 15B-parameter AI video generator featuring a unified 40-layer self-attention Transformer architecture. It enables users to create high-quality 1080p videos from text descriptions or uploaded images in approximately 38 seconds. The platform utilizes DMD-2 distillation and MagiCompiler for accelerated inference, requiring only 8 denoising steps.
A key capability is its native joint audio-video synthesis, which generates perfectly synchronized dialogue, ambient sounds, and Foley effects, eliminating the need for post-production dubbing. It also supports ultra-low Word Error Rate (WER) lip-sync in seven languages: English, Mandarin, Cantonese, Japanese, Korean, German, and French, making it suitable for global content creation.
Happy Horse 1.0 is fully open-source, providing access to its base model, distilled model, super-resolution module, and inference code, allowing for self-hosting, fine-tuning, and commercial usage. The tool also supports multi-shot storytelling, maintaining consistent character identity across scenes, and is accessible via a browser with a RESTful API for developers.
Key features
- 15B-parameter unified Transformer architecture
- Native joint audio-video synthesis
- 7-language ultra-low WER lip-sync
- Blazing fast 1080p video generation (~38 seconds)
- Fully open-source model and inference code
- Multi-shot storytelling with consistent characters
- Text-to-video and image-to-video generation
- Commercial usage rights included
Who uses it
Filmmakers, content creators, marketing teams, and studios can leverage Happy Horse 1.0 for generating short branded videos, product promos, social clips, and concept trailers.
Pros
- Generates 1080p videos rapidly (~38 seconds) with advanced distillation and acceleration.
- Features native joint audio-video synthesis for perfect synchronization without post-production.
- Offers ultra-low WER lip-sync in 7 languages, ideal for global content.
- Fully open-source with commercial rights, allowing self-hosting and fine-tuning.
- Supports multi-shot storytelling with consistent characters across scenes.
Cons
- Video clip length is limited to 5-12 seconds, which may restrict longer narrative creation.
- Requires credit purchases for continued use after initial free credits, indicating a paid model.
- The fastest generation speeds are noted on H100 GPUs, implying performance might vary on other setups.
- While open-source, self-hosting and fine-tuning require technical expertise.
Our take
Happy Horse offers a robust, open-source solution for rapid AI video production, integrating advanced audio and multilingual lip-sync capabilities. Its ability to maintain character consistency and generate synchronized media makes it a practical choice for creators and businesses focused on efficient short-form video content.
Pricing plans
Pro Pack
$42.90
- 1800 Credits
- ~225 videos
- $0.190 per video
- Unlock all models and benefits
- SOTA video + audio generation
- Priority processing
- Exceptional physical realism
- Access to GPT Image 2.5 Flare & Sunburst
- Credits never expire
Basic Pack
$25.90
- 800 Credits
- ~100 videos
- $0.259 per video
- Unlock all models and benefits
- SOTA video + audio generation
- Stable generation queue with consistent delivery
- Access to GPT Image 2.5 Flare & Sunburst
- Credits never expire
Pricing details are provided for reference and may differ from the vendor's current plans.
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