Image Upscale fal.ai

ESRGAN Upscale

ESRGAN Upscale costs $0.0012/image on FairStack — a upscale model for Basic resolution enhancement, Budget upscaling workflows, Batch processing of images. No subscription required. Pay per generation with full REST API access. FairStack applies a transparent 20% margin on infrastructure cost so you always see the real price.

FairStack price
$0.0012/image

What is ESRGAN Upscale?

ESRGAN (Enhanced Super-Resolution Generative Adversarial Network) is the classic AI upscaling model, performing 4x resolution enhancement at $0.001 per image. As one of the most widely deployed and tested upscaling architectures, it delivers reliable, predictable results for basic resolution enhancement needs. The model applies learned super-resolution to increase image dimensions by 4x, generating plausible detail in the upscaled output. While newer upscaling models produce better results, ESRGAN's proven reliability and ultra-low cost make it the practical choice for bulk upscaling tasks where consistency and affordability matter more than cutting-edge quality. Compared to Clarity Upscaler at $0.03 which combines upscaling with intelligent noise removal, ESRGAN costs 30 times less but produces simpler results without noise handling. Against Ideogram Upscale at $0.06 which preserves text and design elements, ESRGAN treats all image content uniformly without design awareness. Grok Imagine Upscale at $0.05 adds intelligent detail synthesis that ESRGAN lacks. Best suited for basic resolution enhancement at minimum cost, batch processing of image collections, bulk upscaling workflows, and situations where proven reliability and lowest possible cost are the primary considerations. Available on FairStack at infrastructure cost plus a 20% platform fee.

Key Features

Classic 4x AI upscaling
Fast and reliable
Ultra-affordable at $0.001
Widely tested and proven

What are ESRGAN Upscale's strengths?

Very affordable
Fast processing
Proven reliability
Good for basic upscaling

What are ESRGAN Upscale's limitations?

Older architecture — newer upscalers produce better results
Can introduce artifacts on complex textures
No intelligent detail synthesis

What is ESRGAN Upscale best for?

Basic resolution enhancement Budget upscaling workflows Batch processing of images

How much does ESRGAN Upscale cost?

Metric
FairStack
Details
Price per generation
$0.0012
Includes 20% margin
Subscription
None
Pay per generation only

How does ESRGAN Upscale perform across capabilities?

ESRGAN upscaler — classic real-world super-resolution, budget option

photorealism
72%
layout precision
48%
text rendering
30%
identity consistency
55%
style adherence
55%
editing
75%
fine detail
78%
multi subject
42%
lighting complexity
52%
storytelling
35%

How do I use the ESRGAN Upscale API?

curl
curl -X POST https://api.fairstack.ai/v1/generations/image \
  -H "Authorization: Bearer $FAIRSTACK_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "esrgan",
    "prompt": "Your prompt here"
  }'
Python
import requests

response = requests.post(
    "https://api.fairstack.ai/v1/generations/image",
    headers={
        "Authorization": f"Bearer {FAIRSTACK_API_KEY}",
        "Content-Type": "application/json",
    },
    json={
        "model": "esrgan",
        "prompt": "Your prompt here",
    },
)

result = response.json()
print(result["url"])
Node.js
const response = await fetch(
  "https://api.fairstack.ai/v1/generations/image",
  {
    method: "POST",
    headers: {
      Authorization: `Bearer ${process.env.FAIRSTACK_API_KEY}`,
      "Content-Type": "application/json",
    },
    body: JSON.stringify({
      model: "esrgan",
      prompt: "Your prompt here",
    }),
  }
);

const result = await response.json();
console.log(result.url);

What parameters does ESRGAN Upscale support?

Parameter
Type
Default
Details
seed
integer (optional)
guidance_scale
float (optional)
num_inference_steps
integer (optional)

Frequently Asked Questions

How much does ESRGAN Upscale cost?

ESRGAN Upscale costs $0.0012/image on FairStack as of 2026-03-23. This price includes FairStack's transparent 20% margin on infrastructure cost. No subscription or monthly fee — you pay per generation only. Minimum deposit is $1.

What is ESRGAN Upscale and what is it best for?

ESRGAN (Enhanced Super-Resolution Generative Adversarial Network) is the classic AI upscaling model, performing 4x resolution enhancement at $0.001 per image. As one of the most widely deployed and tested upscaling architectures, it delivers reliable, predictable results for basic resolution enhancement needs. The model applies learned super-resolution to increase image dimensions by 4x, generating plausible detail in the upscaled output. While newer upscaling models produce better results, ESRGAN's proven reliability and ultra-low cost make it the practical choice for bulk upscaling tasks where consistency and affordability matter more than cutting-edge quality. Compared to Clarity Upscaler at $0.03 which combines upscaling with intelligent noise removal, ESRGAN costs 30 times less but produces simpler results without noise handling. Against Ideogram Upscale at $0.06 which preserves text and design elements, ESRGAN treats all image content uniformly without design awareness. Grok Imagine Upscale at $0.05 adds intelligent detail synthesis that ESRGAN lacks. Best suited for basic resolution enhancement at minimum cost, batch processing of image collections, bulk upscaling workflows, and situations where proven reliability and lowest possible cost are the primary considerations. Available on FairStack at infrastructure cost plus a 20% platform fee. ESRGAN Upscale is best for Basic resolution enhancement, Budget upscaling workflows, Batch processing of images. Available via FairStack's REST API with curl, Python, and Node.js SDKs.

Does ESRGAN Upscale have an API?

Yes. ESRGAN Upscale is available via FairStack's REST API at api.fairstack.ai. Send a POST request to /v1/generations/image with your API key and prompt. Works with curl, Python requests, Node.js fetch, and any HTTP client. No SDK installation required.

How does ESRGAN Upscale compare to other image models?

ESRGAN Upscale excels at Basic resolution enhancement, Budget upscaling workflows, Batch processing of images. It is a upscale model priced at $0.0012/image on FairStack. Key strengths: Very affordable, Fast processing. Compare all image models at fairstack.ai/models.

What makes esrgan stand out from other image generators?

esrgan stands out with very affordable and fast processing. Generation typically completes in under 5 seconds.

What are the known limitations of esrgan?

Key limitations include: older architecture — newer upscalers produce better results; can introduce artifacts on complex textures; no intelligent detail synthesis. FairStack documents these transparently so you can choose the right model for your workflow.

How fast is esrgan?

esrgan typically completes in under 5 seconds. This makes it suitable for real-time applications, interactive workflows, and high-volume batch processing.

What features does esrgan support?

esrgan offers: classic 4x ai upscaling; fast and reliable; ultra-affordable at $0.001; widely tested and proven. All capabilities are accessible through both the FairStack web interface and REST API.

Start using ESRGAN Upscale today

$0.0012/image. Full API access. No subscription.

Start Creating