Song Extender
by SonautoExtend any song seamlessly with AI-powered voice cloning—lengthen tracks, add verses, and clone vocals in any style, all while preserving original tone and emotion, perfect for musicians and content creators.
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About Song Extender
Extend any song seamlessly with AI-powered voice cloning—lengthen tracks, add verses, and clone vocals in any style, all while preserving original tone and emotion, perfect for musicians and content creators.
Technical Specifications
- Model ID
- song-extender
- Provider
- Sonauto
- Category
- Audio Models
- Task
- Audio Generation
- Price
- $0.08 per generation
- Added
- October 16, 2025
Key Features
- AI voice synthesis and text-to-speech
- Multiple language and accent support
- Voice cloning from short audio samples
- Real-time audio processing via API
- Customizable speech parameters
Quick Start
Integrate Song Extender into your application with a single API call. Get your API key from the pricing page to get started.
import requestsimport jsonurl = "https://modelslab.com/api/v7/voice/song-extender"headers = {"Content-Type": "application/json"}data = {"model_id": "song-extender","prompt": "your prompt here","key": "YOUR_API_KEY"}try:response = requests.post(url, headers=headers, json=data)response.raise_for_status() # Raises an HTTPError for bad responses (4XX or 5XX)result = response.json()print("API Response:")print(json.dumps(result, indent=2))except requests.exceptions.HTTPError as http_err:print(f"HTTP error occurred: {http_err} - {response.text}")except Exception as err:print(f"Other error occurred: {err}")
Pricing
Song Extender API costs $0.08 per generation. Plans start at $21/month, and open-source models are unlimited on the $149/month plan. View pricing plans
Use Cases
- Voice-over production for video content
- Podcast and audiobook narration
- Multilingual customer support automation
- Interactive voice response (IVR) systems

