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✦ Free & open sourceReal Estate

FaithDiff

Unleash diffusion priors for faithful image super-resolution and restoration.

FaithDiff: Faithful Image Super-Resolution

Leverage diffusion priors for high-resolution real estate photo enhancement.

Free forever · open source · MIT
✓ Needs IT✓ Browser-based✓ Real-time collaboration
5.4
ZEKAI
Precise Real Estate Upscaling
Free & open source · Real Estate
Ease of setup4
Usefulness7
Maintenance5.5
Community5
★ 273
GITHUB
Mar 2026
UPDATED
MIT
LICENSE
🛠 Don't want to self-host? We can set it up →
⚡ Quick answer

FaithDiff is an open-source image super-resolution tool that uses diffusion priors to restore and enhance real-world imagery without hallucinations. It is built for real estate professionals needing to upscale property photos, architectural renders, or historic imagery.

Runs on
Cross-platform
Hosting
Self-host
Languages
Python
License
MIT

What it is

It executes image enhancement, super-resolution, and restoration using diffusion models combined with LLaVA vision language models for caption generation. It supports ultra-high-resolution 8K output, FP8 inference, and CPU offloading to handle heavy pipelines efficiently.

Who it's for

It suits real estate developers, agencies, and technical media teams wanting to upscale legacy property photography or marketing renders. It does not suit non-technical users who require a standard point-and-click desktop app without dealing with Python scripts or command lines.

Key features

Diffusion Priors

Unleashes advanced diffusion models for faithful image super-resolution.

Ultra-High Resolution

Supports 8K and above image restoration on 24GB GPUs using tile VAE.

Memory Optimization

Includes FP8 inference and CPU offloading to run on lower-spec hardware.

Gradio Interface

Provides an interactive Gradio demo for running local restoration workflows.

How to start

Up and running in 3 steps

1
Clone the GitHub repository and set up the conda environment using environment.yml.
2
Download the pre-trained FaithDiff model and dependent checkpoints into the checkpoints folder.
3
Run the Gradio demo script or execute the test scripts with your image directory.
Real talk

Our honest verdict

What's great

  • Delivers high-fidelity upscaling without generating false details.
  • Supports FP8 inference and CPU offloading to reduce VRAM requirements.
  • Handles ultra-high-resolution 8K real estate photography and archives.
  • Integrates into Hugging Face Diffusers for pipeline flexibility.

Where it falls short

  • Requires substantial GPU hardware and technical proficiency to configure.
  • Must download multiple dependent models including SDXL and LLaVA.
  • Running heavy local inference demands dedicated compute resources.
Cost

Pricing & license

Free under its MIT licence. The only cost is running it yourself on your own local hardware or cloud GPU instances.

Paid work

Open remote AI-training roles

880 open remote AI-training roles, updated November 15, 2026; most pay $20–$175 an hour. Zekai lists them free; the application goes to the employer’s platform.

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Questions

FAQ

What hardware do I need to run FaithDiff?

A modern GPU is required; you can use FP8 inference and CPU offloading to fit within lower VRAM budgets, or tile VAE for 8K images.

Can I use FaithDiff without LLaVA?

Yes, you can run the pipeline without LLaVA by utilizing pre-generated captions via command line arguments.

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