Exclusive on Aura AI

HappyHorse 1.0 — The #1 AI Video Generator

Built by the team behind Kling AI. 15B parameter Transformer with native audio, 1080p HD, multilingual lip-sync, and the highest blind-test scores ever recorded. Now available on Aura AI.

#1
Arena Rank
15B
Parameters
1080p
Native HD
7
Languages
Aura AI Exclusive: HappyHorse 1.0 is available to Starter, Pro, and Premium subscribers. The first platform to offer this model.

What Makes HappyHorse 1.0 Special

The model that dethroned every competitor on blind-test leaderboards

#1 on Artificial Analysis Arena

HappyHorse 1.0 topped both Text-to-Video and Image-to-Video leaderboards on April 8, 2026, beating Seedance 2.0, Veo 3.1, and Sora 2 in blind user preference tests.

Joint Audio-Video Generation

Generates synchronized audio and video in a single pass — ambient sounds, dialogue, lip-sync, and music. No post-processing or separate audio tools needed.

7-Language Lip-Sync

Native support for English, Mandarin, Cantonese, Japanese, Korean, German, and French with industry-leading low Word Error Rate. Characters speak naturally in any of these languages.

15B Parameter Architecture

Single-stream 40-layer Transformer with approximately 15 billion parameters. Purpose-built for video generation with unprecedented motion quality and temporal coherence.

Native 1080p HD Output

Every video is generated at full 1080p resolution natively — not upscaled. Clean detail, sharp edges, and professional-grade output ready for any platform.

~10 Second Generation

One of the fastest AI video models available. Average generation time of approximately 10 seconds, making rapid iteration and creative experimentation practical.

Multi-Shot Storytelling

Generate coherent multi-scene narratives with consistent characters, environments, and visual style across shots. Built for creators who need more than single clips.

Open Source Foundation

Built by Future Life Lab (Taotian/Alibaba), led by Zhang Di — former VP of Kuaishou and architect of Kling AI. Open-source release includes base model, distilled variant, super-resolution module, and inference code.

HappyHorse 1.0 vs Other Models

How the #1 ranked model compares to leading competitors

Feature HappyHorse 1.0 Seedance 2.0 Veo 3.1 Sora 2
Arena Ranking #1 #2 #3 #5
Parameters ~15B Unknown Unknown Unknown
Native Audio Yes Yes Yes Yes
Resolution 1080p 720p 1080p / 4K 1080p
Max Duration 15s 15s 8s 12s
Lip-Sync Languages 7 Limited English English
Generation Speed ~10s ~30s ~60s ~45s
Open Source Yes No No No
On Aura AI Exclusive Yes Yes Yes

How to Use HappyHorse 1.0

Available exclusively on Aura AI — the first platform to offer this model.

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Starter Plan or Higher

Available to Starter ($19/mo), Pro ($49/mo), and Premium ($99/mo) subscribers.

🎬

Text & Image to Video

Generate videos from text prompts or images. Both standard and fast variants available.

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Available Worldwide

No geographic restrictions. Access HappyHorse 1.0 from any country, on any device.

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Instant Access

No waitlist, no approval. Subscribe and select HappyHorse from the model dropdown.

The Team Behind HappyHorse

From the architects of Kling AI to the #1 video model in the world

HappyHorse 1.0 was built by Future Life Lab, a division of Taotian Group (Alibaba), led by Zhang Di — former VP of Kuaishou and the technical architect behind Kling AI, one of the most successful AI video models of 2025.

The model uses a single-stream 40-layer Transformer architecture with approximately 15 billion parameters, trained specifically for joint audio-video generation. It appeared on the Artificial Analysis Video Arena on April 8, 2026 under an anonymous entry, rapidly climbing to #1 in both text-to-video and image-to-video categories before being identified.

The open-source release includes the base model, a distilled variant for faster inference, a super-resolution module, and full inference code — supporting self-hosting, fine-tuning, and commercial use.

Frequently Asked Questions

Everything you need to know about HappyHorse 1.0 on Aura AI

What is HappyHorse 1.0? +
HappyHorse 1.0 is a 15-billion parameter AI video generation model built by Future Life Lab (Taotian/Alibaba). It generates 1080p videos with native synchronized audio, multilingual lip-sync in 7 languages, and cinematic motion quality. It ranked #1 on the Artificial Analysis Video Arena in April 2026.
How can I use HappyHorse 1.0? +
HappyHorse 1.0 is available exclusively on Aura AI. Subscribe to a Starter ($19/mo), Pro ($49/mo), or Premium ($99/mo) plan and select HappyHorse 1.0 or HappyHorse 1.0 Fast from the model dropdown. Works for both text-to-video and image-to-video.
How does HappyHorse compare to Seedance 2.0? +
HappyHorse 1.0 outperformed Seedance 2.0 on the Artificial Analysis blind-test leaderboard in motion quality, prompt adherence, and overall user preference. Both generate native audio and support long clips, but HappyHorse excels in realistic motion, generation speed (~10s vs ~30s), and multilingual lip-sync (7 languages vs limited).
What languages does HappyHorse support? +
HappyHorse 1.0 natively supports lip-sync and voiceover in English, Mandarin, Cantonese, Japanese, Korean, German, and French with industry-leading low Word Error Rate.
Is HappyHorse 1.0 open source? +
Yes. HappyHorse 1.0 is open source with releases including the base model, distilled model, super-resolution module, and inference code. It supports self-hosting, fine-tuning, and commercial use. Aura AI provides the easiest way to use it without managing infrastructure.

Try HappyHorse 1.0 — Exclusive on Aura AI

The #1 ranked AI video model. Native audio, 1080p HD, 7-language lip-sync, ~10 second generation. The first and only platform to offer HappyHorse 1.0.

See How HappyHorse Compares