Efficient AI text-to-speech model with 82M parameters delivering natural-sounding voice synthesis
Reimagine existing videos with character, outfit, product or scene references using motion transfer and object swap
Stage
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Founded
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Based in
SG
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Pricing model
Open source
Paid
Pricing
Free to use. Free Chrome Extension with 10,000 characters free every month.
Pay per MV: $9.90 for one 15-second video at 480p with 255 credits. Monthly and yearly subscription options available, with annual billing costing about 50% less than 12 monthly payments. Credit packs available for one-time purchase. All models use the same credits across different plan types.
Key features
82M parameter efficiency for lightweight, scalable performance
Multilingual support including English, French, Korean, Japanese, and Mandarin
Customizable voice packs with multiple lifelike voice options
Automatic content segmentation for chapter and section detection
OpenAI-compatible API endpoint for easy integration
Real-time audio generation with NVIDIA GPU acceleration
Processes up to 510 tokens in a single pass for longer audio outputs
Chrome extension for reading webpages aloud
Motion transfer with reference images to guide character and environment changes
Object, character and outfit replacement in video
Multiple output resolutions: 480p, 720p and 1080p
Source-guided duration up to 30 seconds
Reusable source video and ordered image workflows
Failed generations automatically return credits
What makes it different
Outperforms larger models like XTTS (467M params) and MetaVoice (1.2B params) despite having only 82M parameters
Open-source and free for both commercial and personal use under Apache 2.0 license
Lightweight architecture enabling deployment on CPU and GPU with minimal resources
Trained on high-quality, permissively licensed audio for accurate natural-sounding speech
Designed for scalability while preserving excellent audio quality
Preserve original motion and camera movement while transforming characters, outfits and environments
Pay per video with no subscription required for single MV purchases
Inspect and reuse complete workflows with ordered reference images
Separate identity, styling and setting reference images for precise creative direction
Kokoro TTS
Burning Bridges AI Video Studio