Happy Horse
Open-source 15B-parameter AI video model for jointly generating cinematic video and synchronized audio.
Video & AnimationTBD
Product Information
About this tool
What is Happy Horse?
Official Happy Horse 1.0 open-source release for self-hosted text-to-video and image-to-video workflows with native 1080p output, synchronized audio, and multilingual lip-sync.
How to use Happy Horse?
Open-source 15B-parameter AI video model for jointly generating cinematic video and synchronized audio.
Happy Horse's Core features
- Generates synchronized video and audio from text or image prompts
- Supports multilingual lip-sync in seven languages
- Delivers high-quality 1080p output suitable for various applications
- Open-source with commercial-use rights and self-hosting capabilities
- Utilizes a 40-layer self-attention Transformer architecture
Happy Horse's Use cases
- Useful for evaluating video & animation workflows and shortlist comparisons.
- A practical fit for teams building an initial shortlist before deeper product evaluation.
- Helpful when validating Happy Horse's positioning, capability set, and likely adoption scenarios.
FAQ from Happy Horse
Happy Horse 1.0 is a 15B-parameter open-source AI video generation model that jointly produces video and synchronized audio from text or image prompts.
Yes. Happy Horse is released as open source with commercial-use rights, including the base model, distilled model, super-resolution module, and inference code.
An NVIDIA H100 or A100 GPU with at least 48GB VRAM is recommended. A 5-second 1080p clip generates in roughly 38 seconds on H100.
Seven languages: English, Mandarin, Cantonese, Japanese, Korean, German, and French — with industry-leading low Word Error Rate.
Happy Horse 1.0 outperforms OVI 1.1 (80.0% win rate) and LTX 2.3 (60.9% win rate) across visual quality, prompt alignment, and Word Error Rate.
Pricing
Pricing
Pricing details are not available yet. You can still visit the official site for the latest plan information.
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