--- title: Leo API | Voice Cover | ModelsLab description: Build with Leo API. Voice Cover powered by AI. Plans from $21/month. url: https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/modelslab/leo.md canonical: https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/modelslab/leo type: product component: Playground/Endpoint/Index generated_at: 2026-08-03T05:15:31.407213Z --- [![Leo thumbnail](https://assets.modelslab.ai/api-logos/01KPMZY676ZM0Z7YJWBM9C78QP.png)](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/modelslab)Leo === [by ModelsLab](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/modelslab)The Voice Cover endpoint allows you to transform a song or audio file into a celeb/fictional character/singer/politician voice using a proper model id of that character. `leo` Open Source Model [Unlimited Usage](https://modelslab-frontend-v2-927501783998.us-east4.run.app/pricing) [LLMs.txt](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/modelslab/leo/llms.txt) [API Playground](/models/modelslab/leo)ShowcaseAPI DocumentationVibe CodeRelated ModelsDeveloper SupportModel SpecsEnterprise Deployment Input --- Init Audio Upload File preview or record audio Record Audio Model ID Pitch Login to Generate **Per Audio generation** will cost **0.0047$** **For premium plan Audio generation** will cost **0.00$** i.e **Free.** Output --- Idle Unknown content type Related Models --- Discover similar models you might be interested in [View all Audio Models](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models?feature=audiogen) [![Chris Martin](https://images.modelslab.sh/?Image=https://assets.modelslab.ai/audio/Thumbnail1024/chrismartin.png)](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/modelslab/chrismartin)[ModelsLab](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/modelslab) [Chris Martin](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/modelslab/chrismartin) [![Josejose70s](https://images.modelslab.sh/?Image=https://assets.modelslab.ai/audio/Thumbnail1024/josejose70s.png)](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/modelslab/josejose70s)[ModelsLab](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/modelslab) [Josejose70s](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/modelslab/josejose70s) [![Kizo](https://images.modelslab.sh/?Image=https://assets.modelslab.ai/audio/Thumbnail1024/kizo.png)](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/modelslab/kizo)[ModelsLab](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/modelslab) [Kizo](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/modelslab/kizo) [![Freddie](https://images.modelslab.sh/?Image=https://assets.modelslab.ai/audio/Thumbnail1024/freddie.png)](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/modelslab/freddie)[ModelsLab](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/modelslab) [Freddie](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/modelslab/freddie) [![Snoop Dogg](https://images.modelslab.sh/?Image=https://assets.modelslab.ai/audio/Thumbnail1024/snoop-dogg.png)Popular](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/modelslab/snoop-dogg)[ModelsLab](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/modelslab) [Snoop Dogg](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/modelslab/snoop-dogg) [![Karinastrong](https://images.modelslab.sh/?Image=https://assets.modelslab.ai/audio/Thumbnail1024/karinastrong.png)](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/modelslab/karinastrong)[ModelsLab](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/modelslab) [Karinastrong](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/modelslab/karinastrong) View all 18 related models About Leo --- Leo is a voice cloning AI model by ModelsLab available on ModelsLab. Access Leo through our API with pay-per-use pricing and no minimum commitments. ### Technical Specifications Model IDleo ProviderModelsLab CategoryAudio Models TaskVoice Cloning Price$0.0047 per API call AddedDecember 20, 2023 ### 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 Leo into your application with a single API call. Get your API key from the [pricing page](https://modelslab-frontend-v2-927501783998.us-east4.run.app/pricing) to get started. PythonJavaScriptcURLPHP ``` import requests import json url = "https://modelslab.com/api/v6/voice/voice_cover" headers = { "Content-Type": "application/json" } data = { "model_id": "leo", "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 Leo API costs $0.0047 per API call. Pay only for what you use with no minimum commitments. [View pricing plans](https://modelslab-frontend-v2-927501783998.us-east4.run.app/pricing) ### Use Cases - Voice-over production for video content - Podcast and audiobook narration - Multilingual customer support automation - Interactive voice response (IVR) systems [Browse Audio Models](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models?feature=audiogen) [More from ModelsLab](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/modelslab) [View Pricing](https://modelslab-frontend-v2-927501783998.us-east4.run.app/pricing) Leo FAQ --- ### What is Leo? Leo is a voice cloning AI model by ModelsLab available on ModelsLab. Access it through our API with pay-per-use pricing and no minimum commitments. ### How do I use the Leo API? You can integrate Leo into your application with a single API call. Sign up on ModelsLab to get your API key, then use the model ID "leo" in your API requests. We provide SDKs for Python, JavaScript, and cURL examples in the API documentation. ### How much does Leo cost? Leo costs $0.0047 per API call. ModelsLab plans start at $21/month (Basic), and the $149/month Open Source plan includes unlimited generation on open-source models. ### What is the Leo model ID? The model ID for Leo is "leo". Use this ID in your API requests to specify this model. ### Do I need a paid plan to use Leo? Yes. ModelsLab is subscription-based with no free tier — plans start at $21/month (Basic, 3,250 API calls). The $149/month Open Source Unlimited plan includes unlimited generation across open-source models; premium third-party models are billed per call from your wallet. --- *This markdown version is optimized for AI agents and LLMs.* **Links:** - [Website](https://modelslab.com) - [API Documentation](https://docs.modelslab.com) - [Blog](https://modelslab.com/blog) --- *Generated by ModelsLab - 2026-08-03*