Open-source AI video generator with joint video & audio synthesis from text. 20+ free tools: text-to-video, image-to-video, AI kissing/hug/dance video, virtual try-on. Multi-model (Seedance, Kling, Veo, Grok). Under 60 seconds, multilingual.

Product screenshot

Product screenshot

Overview

What is HappyHorse?

HappyHorse Introduction

HappyHorse (happyhorse.cc) is an open-source AI video generator that jointly generates video and audio from a single text prompt — blazing fast, multilingual, and fully open source.

Core Features

  • Joint Video & Audio Generation - HappyHorse 1.0 generates synchronized video and audio from text in one pass
  • Text to Video - Cinematic video generation using Seedance, Kling, Veo, Wan, Grok models
  • Image to Video - Animate any photo with fluid motion and realistic physics
  • Virtual Try-On - Preview outfits, hats, rings, and more
  • AI Photo Studio - Wedding photos, portraits, graduation cards, age progression
  • AI Dance/Hug/Kiss Video - Social entertainment video generation
  • Background Remover - Precise AI background removal

Supported AI Models

HappyHorse 1.0, Seedance 2.0, Seedance 1.5, Kling 3.0, Wan 2.6, Google Veo 3.1, Grok Imagine

Why HappyHorse

  • Open-source model weights — deploy anywhere
  • Joint video+audio in a single pass (no manual sync)
  • 6-language multilingual input
  • Results in under 60 seconds
  • Free credits on signup, no card required
  • HD & 4K resolution output with full commercial usage rights

Platforms and languages

HappyHorse Availability

Platforms

Web

Languages

English

HappyHorse Alternatives

Modellix.aiModellix.aiModellix is a MaaS (Model as a Service) platform that provides unified API access to maintream AI models, covering text-to-image, text-to-video, image-to-image, image-to-video, video editing, and more. Supported models include Nano Banana, Kling, Veo, Seedance, Seedream, Minimax, Qwen, Wanx, GPT, and others. Whether you’re a developer building AI-powered applications or a creator producing visual content, Modellix provides the tools you need through a single API.
AI Video CreationAI Marketing Tools

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