Efficient AI text-to-speech model with 82M parameters delivering natural-sounding voice synthesis
API to generate ad videos, images and music
Stage
Not given
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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.
Video generation from $0.0778/second (Seedance 2.0 Mini at 720p, 5s) to $0.2378/second (Seedance 2.5); image generation from $0.02/image (GPT Image 2.5 Flare) to $0.06/image (GPT Image 2); music generation available. Test keys provide real prices with no charges.
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
Generate video from text prompts with optional images and voice
Generate images from prompts
Edit and modify existing images
Recast videos with different people or places
Generate music tracks
Run pre-made content templates
REST API and MCP integration
Callback webhooks and polling
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
Competitive pricing compared to other video generation APIs
Idempotent API calls prevent double-charging on retries
Kokoro TTS