# Real-ESRGAN

> Practical algorithm for general image restoration that upscales images while reducing artifacts, with optional face enhancement

## Quick Reference

- Model ID: real-esrgan
- Creator: Tencent ARC Lab
- Status: active
- Base URL: https://api.lumenfall.ai/openai/v1

## Specifications

- Max Input Images: 1
- Input Modalities: image
- Output Modalities: image
- Supported Modes: Upscale

## Model Identifiers

- Primary Slug: real-esrgan
- Aliases: realesrgan

## Dates

- Released: July 2021

## Tags

image-upscaling, super-resolution, image-enhancement, open-weights

## Available Providers

### Replicate

- Config Key: replicate/real-esrgan
- Provider Model ID: nightmareai/real-esrgan
- Pricing: $0.0025/image
  - Note: Replicate bills by hardware seconds; ~$0.0025 per typical run.
  - Source: https://replicate.com/nightmareai/real-esrgan


## Code Examples

### Upscale (/v1/images/edits)

#### cURL

curl -X POST \
  https://api.lumenfall.ai/openai/v1/images/edits \
  -H "Authorization: Bearer $LUMENFALL_API_KEY" \
  -F "model=real-esrgan" \
  -F "image=@source.png" \
  -F "prompt=Add a starry night sky to this image" \
  -F "size=1024x1024"

# Response:
# { "created": 1234567890, "data": [{ "url": "https://...", "revised_prompt": "..." }] }

#### JavaScript

import OpenAI from 'openai';
import fs from 'fs';

const client = new OpenAI({
  apiKey: 'YOUR_API_KEY',
  baseURL: 'https://api.lumenfall.ai/openai/v1'
});

const response = await client.images.edit({
  model: 'real-esrgan',
  image: fs.createReadStream('source.png'),
  prompt: 'Add a starry night sky to this image',
  size: '1024x1024'
});

// { created: 1234567890, data: [{ url: "https://...", revised_prompt: "..." }] }
console.log(response.data[0].url);

#### Python

from openai import OpenAI

client = OpenAI(
    api_key="YOUR_API_KEY",
    base_url="https://api.lumenfall.ai/openai/v1"
)

response = client.images.edit(
    model="real-esrgan",
    image=open("source.png", "rb"),
    prompt="Add a starry night sky to this image",
    size="1024x1024"
)

# { created: 1234567890, data: [{ url: "https://...", revised_prompt: "..." }] }
print(response.data[0].url)


## Frequently Asked Questions

### How much does Real-ESRGAN cost?

Real-ESRGAN starts at $0.0025 per image through Lumenfall. Pricing varies by provider. Lumenfall does not add any markup to provider pricing.

### How do I use Real-ESRGAN via API?

You can use Real-ESRGAN through Lumenfall's OpenAI-compatible API. Send requests to the unified endpoint with model ID "real-esrgan". Code examples are available in Python, JavaScript, and cURL.

### Which providers offer Real-ESRGAN?

Real-ESRGAN is available through Replicate on Lumenfall. Lumenfall automatically routes requests to the best available provider.

## Links

- Model Page: https://lumenfall.ai/models/tencent-arc-lab/real-esrgan
- About: https://lumenfall.ai/models/tencent-arc-lab/real-esrgan/about
- Providers, Pricing & Performance: https://lumenfall.ai/models/tencent-arc-lab/real-esrgan/providers
- API Reference: https://lumenfall.ai/models/tencent-arc-lab/real-esrgan/api
- Benchmarks: https://lumenfall.ai/models/tencent-arc-lab/real-esrgan/benchmarks
- Use Cases: https://lumenfall.ai/models/tencent-arc-lab/real-esrgan/use-cases
- Playground: https://lumenfall.ai/playground?model=real-esrgan
- API Documentation: https://docs.lumenfall.ai