Efficient AI text-to-speech model with 82M parameters delivering natural-sounding voice synthesis
Turn one photo into an animated bicep heart trend video
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.
Single: 6 credits for $5.99 (one 480p video); Trio Pack: 18 credits for $12.99 (three 480p or one 720p video); Five Pack: 30 credits for $19.99 (five 480p or two 720p videos). 480p render costs 6 credits, 720p costs 13 credits. No subscription, credits never expire.
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
No watermark on exported videos
Renders available in 480p and 720p resolutions
Original trend sound included or silent option
Animated video approximately 7 seconds in duration
Saved renders stored in My Creations for replay and redownload
Browser-based with no app installation required
Credit-based pay-per-render system with no subscription
Automatic refund of credits for failed renders
Supports JPG, PNG, and WebP image formats up to 10 MB
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
Creates animated video from single photo with no filming required
Animates actual pose movement rather than still image or template
Independent tool not affiliated with TikTok or trend creators
Kokoro TTS
Bicep Heart AI