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Ovi AI

Create physics-accurate videos with synchronized audio using Ovi AI by Character.AI. Generate 10-second videos from text or images with Ovi 1.1's twin backbone technology. Free access, no signup required!

Pricing
Paid

About Ovi AI

Ovi AI is a video generation tool that produces synchronized audio as it builds visual content. It is designed for creators who want to transform descriptions or images into short, cohesive videos with audio, leveraging twin backbone cross-modal fusion technology. The system emphasizes temporal consistency and realistic motion. The platform presents options for text-to-video and image-to-video workflows, with an emphasis on accessibility and speed.

The workflow involves defining a concept, providing input prompts or images, and using available tools to adjust aspects such as aspect ratios and audio control. The system supports native audio generation and defines camera and object motion to refine the output. The process concludes with generation and export of a high-definition video, described as 960×960 at 24 FPS with synchronized audio.

Ovi AI highlights several core capabilities, including a twin backbone cross-modal fusion architecture for simultaneous video and audio generation, and 10-second temporally consistent videos at 960×960. It includes a native 5B parameter audio branch for audio alignment, physics-accurate motion simulation, and flexible input modes (text-to-video, image-to-video, and combined). It also supports multiple aspect ratios and resolutions for professional output.

It specifies supported input modes, output resolutions up to 960×960 at 24 FPS, and the ability to export videos. It also describes the open-source availability on GitHub and HuggingFace for local deployment. Finally, it notes a hosted access option via WaveSpeed.ai for API use and commercial scenarios.

Key features

  • Twin Backbone Cross-Modal Fusion Architecture
  • Ovi 1.1 - 10-Second Temporally Consistent Videos
  • Native 5B Parameter Audio Branch
  • Physics-Accurate Motion Simulation
  • Flexible Input: Text-to-Video and Image-to-Video
  • Multiple Aspect Ratios and Resolutions

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Frequently asked questions

What is Ovi AI by Character.AI?
Ovi AI is Character.AI's advanced AI video generation model featuring twin backbone cross-modal fusion architecture. It uniquely generates synchronized video and audio simultaneously, creating 10-second videos with physics-accurate motion and native audio generation.
What is Ovi 1.1 and how is it different from the original?
Ovi 1.1 is the latest update featuring 10-second video generation (up from 5 seconds), 960×960 resolution (up from 720×720), and 100% more training data. It delivers superior temporal consistency and video quality while maintaining the synchronized audio generation capability.
How does Ovi generate synchronized video and audio?
Ovi uses a revolutionary twin backbone architecture with cross-modal fusion. This allows the model to generate video frames and audio simultaneously, ensuring perfect synchronization. The 5B parameter audio branch handles speech and sound effects natively.
What video length and quality can I generate?
Ovi 1.1 generates 10-second videos at 960×960 resolution and 24 FPS. The original Ovi generates 5-second videos at 720×720. Supported aspect ratios include 9:16, 16:9, and 1:1, providing flexibility for different use cases.
Is Ovi AI free to use?
Yes, Ovi AI is free to use on platforms like ovi.video with no signup required. For API access and commercial usage, platforms like WaveSpeed.ai offer Ovi at approximately $0.15 per 5-second video generation.

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