OmniHuman v1.5

OmniHuman v1.5 API Overview

OmniHuman v1.5 is an advanced AI model designed to transform static human portraits and audio tracks into hyper-realistic talking videos. By combining multimodal deep learning in vision, speech, and motion synthesis, it delivers lifelike facial expressions, natural lip synchronization, and emotion-aware gestures that match the input voice with remarkable precision.

Technical Specifications

• Model Type: Multimodal Generative AI
• Input Modalities: Image, Audio
• Output: Realistic human video
• Language Support: 50+ languages with dialect variants

Performance Benchmarks

• Improved Fluidity and Expressions: Enhanced facial expressions and overall motion fluidity.
• Better Contextual Understanding: The model can generate videos over one minute with more dynamic and contextually aware movements, including natural pauses in speech and rich musical expressions.
• Reduced Unnaturalness: The new reasoning module specifically targets and significantly reduces instances of unnatural motion that could occur in previous versions.

Key Features

• Generates seamless, natural video of a human subject from a still photo and speech/audio input.
• Accurately mimics facial expressions and emotional states to enhance realism.
• Supports a wide range of languages and voice accents without degrading video quality.
• Optimized for interactive avatars, virtual assistants, and character-driven multimedia.
• Lightweight architecture designed for efficient performance on consumer and professional hardware.
• Adjustable parameters to control facial movement intensity and emotional expressiveness.

OmniHuman v1.5 API Pricing

• $0.168 per second

Code Sample

Comparison with Other Models

vs Synthesia: OmniHuman produces more realistic facial expressions and emotional alignment with audio, while Synthesia focuses on faster video generation with simpler lip-sync. OmniHuman supports a broader range of emotions and subtle movements, making it better for high-fidelity avatar interactions.

vs Hour One: OmniHuman excels at fine-grained emotional and facial synchronization, while Hour One prioritizes rapid avatar creation for business use cases. OmniHuman produces more natural transitions and supports richer audio diversity across languages.

vs DeepBrain AI: DeepBrain AI specializes in news-anchor style video synthesis with limited emotional range. OmniHuman surpasses it by enabling dynamic emotional expressions and interactive avatar movements synchronized tightly with diverse audio content.