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AuraSR

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What AuraSR is

AuraSR is an open-source, GAN-based implementation for enlarging real-world images, described as a variation of GigaGAN for image-conditioned upscaling. It can be used as a Python package or through an API, and supports JPG, JPEG, PNG, WebP, GIF, AVIF, HEIC, and HEIF inputs. The repository shows installation with pip and a Python workflow that loads a model and calls a 4x upscaling method. Package requirements include PyTorch 2.0 or later, torchvision, NumPy, einops, huggingface_hub, and safetensors. The regular 4x method works on non-overlapping tiles that can leave seams. An overlapped method makes an extra pass and averages results to reduce seams, doubling processing time. The API supports v1 and v2 checkpoints and defaults to v1; requests can use public image URLs or Base64 data URIs, with queued processing, status checks, result retrieval, and optional webhooks. fal's API usage is listed as free, billed by compute second. AuraSR's open-source package is listed as free under the CC-BY-SA-4.0 license.

Who it suits

AuraSR suits developers, designers, and content creators who can work with a Python package or API for image upscaling. It also fits users who can manage its listed dependencies and API key handling.

What it does well

  • Supports a broad range of listed image formats.
  • API offers v1 and v2 checkpoints.
  • Queued requests, status checks, results, and optional webhooks.
  • Overlapped processing can reduce visible tile seams.
  • Open-source package is listed as free.

What to know first

  • Python package requires several dependencies.
  • Overlapped processing doubles processing time.
  • Regular tiling can leave seams.
  • API key should be kept out of client-side code.

Plans

PlanBilled and limitsPrice
fal API usageper compute second · Pay for processing time · overlapping tiles double inference timeFree
AuraSR open-source packageGAN image upscaling · install with pip · CC-BY-SA-4.0 licenseFree

As github.com lists them, read 12 Oct 2026. The maker's own page has the final word.

Verdict

AuraSR provides both a Python package workflow and an API, with an overlapped option for reducing tile seams. Users should account for package dependencies, the extra processing time for overlap, and server-side API key handling.

Facts from AuraSR's own pages

API access
Yes · github.com, 22 Sept 2026
API integration
The model API documentation provides a JavaScript client flow using @fal-ai/client and an API key. · fal.ai, 12 Oct 2026
API workflow
The API supports queued requests, status checks, result retrieval, and optional webhooks. · fal.ai, 12 Oct 2026
Architecture
The project describes AuraSR as a variation of the GigaGAN paper for image-conditioned upscaling. · github.com, 12 Oct 2026
Checkpoints
The API supports v1 and v2 checkpoints and defaults to v1. · fal.ai, 12 Oct 2026
Company founding
fal says it was founded in 2021 by Burkay Gur and Gorkem Yurtseven. · fal.ai, 12 Oct 2026
Dependencies
The package metadata lists PyTorch 2.0 or later, torchvision, NumPy, einops, huggingface_hub, and safetensors as installation requirements. · github.com, 12 Oct 2026
Deployment style
The published usage example loads the model in Python and performs upscaling in code. · github.com, 12 Oct 2026
Headquarters
fal says it is headquartered in San Francisco. · fal.ai, 12 Oct 2026
Image loading example
The README example uses requests and Pillow to load an image from a URL before upscaling it. · github.com, 12 Oct 2026
Input
The API requires an image_url and accepts publicly accessible image URLs or Base64 data URIs for file inputs. · fal.ai, 12 Oct 2026
Input formats
JPG, JPEG, PNG, WebP, GIF, AVIF, HEIC, HEIF · github.com, 22 Sept 2026
Install
The repository README shows installation with pip install aura-sr and use through the Python AuraSR package. · github.com, 12 Oct 2026
Installation
The README shows installing AuraSR with `pip install aura-sr` and loading it in Python with `AuraSR.from_pretrained()`. · github.com, 12 Oct 2026
Intended users
fal describes the hosted model as suited to content creators, designers, and developers needing image enhancement. · fal.ai, 12 Oct 2026
License
The repository identifies its license as CC-BY-SA-4.0. · github.com, 12 Oct 2026
Maintainer company
fal describes itself as an AI inference platform for developers, while the AuraSR repository is hosted under the fal-ai GitHub organization. · fal.ai, 12 Oct 2026
Maker
fal says it was founded in 2021 and is headquartered in San Francisco. · fal.ai, 12 Oct 2026
Maximum scale
custom · github.com, 22 Sept 2026
Moderation integration
fal says it integrated OpenAI's Omni moderation API for automated, real-time harmful-content detection and filtering across modalities on its platform. · fal.ai, 12 Oct 2026
Product pricing
The AuraSR repository and its usage instructions provide no AuraSR-specific price or subscription plan. · github.com, 12 Oct 2026
Purpose
AuraSR is a GAN-based super-resolution implementation for real-world images, described as a variation of GigaGAN for image-conditioned upscaling. · github.com, 12 Oct 2026
Seam handling
The README says `upscale_4x` processes non-overlapping tiles that can cause seams, while `upscale_4x_overlapped` reduces seams by making an additional pass and averaging results, doubling processing time. · github.com, 12 Oct 2026
Seam reduction
Overlapping tiles help remove seams and double inference time. · fal.ai, 12 Oct 2026

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