chaiNNer
Free node-based app to batch upscale with any community model.
FreeOpenRuns on your PC
- Best for
- Batch upscaling with custom models
- On your PC
- Some setup
- Works on
- Windows, Mac, Linux
- License
- GPL-3.0
What’s good
- Runs thousands of free models from OpenModelDB
- Batch whole folders of images or video frames
- Works on NVIDIA, AMD, Intel and Apple Silicon
Downsides
- Node graphs take time to learn
- You must find and pick models yourself
- Still labelled alpha by its makers
At a glance.
- Best for
- Batch upscaling with custom models
- Price
- Free, open source
- Version
- v0.26.1Released 2026-10-27
- Works on
- Windows, Mac, Linux
- Open source
- Yes, GPL-3.0
- Made by
- chaiNNer community
- Website
- chainner.app
Should you use it?
It is #8 of 10. Good for batch upscaling with custom models; for most people, Topaz Gigapixel is the better start.
Can I run it myself?
Yes. Some setup: download a model inside an app.
Use chaiNNer app; it downloads Python and AI engines itself.
- You need
- Best on NVIDIA; AMD and Intel via Vulkan; Apple Silicon; CPU works
- Setup
- Some setupDownload a model inside an app
- Laptop, 8 GBToo small
- PC, 16 GB+Too small
- Mac, 16 GBRuns
- Mac, 32 GBRuns
- Mac, 64 GB+Runs
- PC, 8 GB GPUToo small
- PC, 12 GB GPUToo small
- PC, 16 GB GPUToo small
- PC, 24 GB GPUToo small
- WorkstationToo small