---
title: Ruby E API | Voice Cover | ModelsLab
description: Build with Ruby E API. Voice Cover powered by AI. Plans from $21/month.
url: https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/modelslab/ruby-e.md
canonical: https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/modelslab/ruby-e
type: product
component: Playground/Endpoint/Index
generated_at: 2026-08-03T05:59:45.990333Z
---

[![Ruby E thumbnail](https://assets.modelslab.ai/api-logos/01KPMZY676ZM0Z7YJWBM9C78QP.png)](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/modelslab)Ruby E
---

[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.

`ruby-e`

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/ruby-e/llms.txt)

[API Playground](/models/modelslab/ruby-e)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

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About Ruby E
---

Ruby E is a voice cloning AI model by ModelsLab available on ModelsLab. Access Ruby E through our API with pay-per-use pricing and no minimum commitments.

### Technical Specifications

Model IDruby-e

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 Ruby E 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

```
<code>import requests
import json

url = "https://modelslab.com/api/v6/voice/voice_cover"

headers = {
    "Content-Type": "application/json"
}

data = {
        "model_id": "ruby-e",
        "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}")</code>
```

### Pricing

Ruby E 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)

Ruby E FAQ
---

### What is Ruby E?

Ruby E 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 Ruby E API?

You can integrate Ruby E into your application with a single API call. Sign up on ModelsLab to get your API key, then use the model ID "ruby-e" in your API requests. We provide SDKs for Python, JavaScript, and cURL examples in the API documentation.

### How much does Ruby E cost?

Ruby E 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 Ruby E model ID?

The model ID for Ruby E is "ruby-e". Use this ID in your API requests to specify this model.

### Do I need a paid plan to use Ruby E?

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*