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Upscale Image - AI resolution enhancer for 4K and 8K output on WaveSpeed
Available on WaveSpeed

Upscale Image — AI Resolution Enhancer to 4K/8K

Turn low-resolution photos into high-definition masterpieces. WaveSpeed's AI Upscale Image technology intelligently reconstructs lost details, sharpens edges, and removes artifacts using Real-ESRGAN.

AI-Powered Image Enhancement

Three simple steps to upscale any image with AI. Send a low-res photo to the API and receive a crisp, high-definition result in seconds.

Cloud-Powered Processing

No GPU required. Send a request and get results through our optimized cloud infrastructure. AI upscaling runs on WaveSpeed servers with zero cold starts.

Cloud-Powered Processing - No GPU required. Send a request and get results through our optimized cloud infr

Developer-Friendly API

Simple REST endpoints with Python and JavaScript SDKs. Integrate AI image upscaling into any workflow in minutes with comprehensive documentation.

Developer-Friendly API - Simple REST endpoints with Python and JavaScript SDKs. Integrate AI image upscal

Production-Ready Output

High-quality results up to 8K resolution suitable for print and commercial use. Integrated face restoration with GFPGAN and CodeFormer for maximum realism.

Production-Ready Output - High-quality results up to 8K resolution suitable for print and commercial use.

AI Upscaling on WaveSpeed vs. Traditional Methods

See why teams choose WaveSpeed AI Upscaling over traditional methods.

Technology
Bicubic interpolation blurs pixels
Deep learning reconstructs real detail
Face quality
Faces remain blurry after resize
GFPGAN + CodeFormer face restoration
Max resolution
Limited by source quality
Up to 8K (7680x4320)
Infrastructure
Local GPU or expensive cloud VM
Fully managed, auto-scaling API
Integration
Desktop software, manual process
REST API + Python/JS SDKs
Cost
$50+/mo software license
Pay per image, no minimum

Performance at a Glance

AI image upscaling on WaveSpeed delivers crisp, high-definition results at scale.

8KMax output resolution
4xUpscale factor
99.99%Uptime SLA
$0No upfront costs

Integrate in Minutes

Production-ready SDKs for Python and JavaScript. REST API with full OpenAPI spec. Webhook support for async jobs.

  • Up to 8K resolution with 4x upscale
  • Built-in face enhancement (GFPGAN, CodeFormer)
  • Python & JavaScript SDKs + REST API
import wavespeed
output = wavespeed.run(
"wavespeed-ai/upscale-image",
{
"image": "https://example.com/low-res.jpg",
"scale": 4,
"face_enhance": true,
}
)
print(output["outputs"][0])

Get Any Tool You Want

1000+ models across image, video, audio, and 3D — all through one API.

FAQ

Traditional tools use "Bicubic Interpolation," which simply blurs pixels to make the image larger. AI Upscaling uses Deep Learning to "hallucinate" plausible details based on millions of training images, actually adding information that wasn't there before.

Our standard API supports upscaling up to 8K resolution (7680x4320). For enterprise plans, we support tiling workflows that can generate even larger images for billboards or print.

Yes, to a degree. AI models are excellent at sharpening edges, which makes text more readable. However, if the text is completely illegible in the original, the AI might guess incorrectly.

Absolutely. We integrate specialized Face Restoration models (like GFPGAN and CodeFormer) into the upscaling pipeline. These detect faces and rebuild features separately for maximum realism.

Yes. AI upscaling is widely used in the print industry. By increasing the pixel count, you increase the DPI (Dots Per Inch), allowing small web images to be printed clearly on A4 or even A3 paper.

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