Flux.1-dev ControlNet Upscaler
A FLUX add-on for upscaling small and blurry images with detail reconstruction. Popular, but under the non-commercial FLUX dev license.
- Developer
- Jasper AI, USA
- First release
- Sep 2024
- Latest release
- Sep 2024
- Sizes
- add-on for FLUX.1 dev 12B
- License
- Non-commercial onlyFLUX.1 [dev] Non-Commercial License
- Running
- On your own serverNeeds a GPU
- Industries
- Marketing and content, Media and production
What it does
- Upscaling small images with detail reconstruction
- Enhancing generated images
- Upscaling pilots for a catalog
Where it is used
Hardware requirements
Versions
- Flux.1-dev ControlNet Upscaler
How to run it
I can set this up end to end: pick the model size, deploy it on your server and connect it to your systems.
Frequently asked questions
Can Flux.1-dev ControlNet Upscaler be used in a commercial project?
No. License: FLUX.1 [dev] Non-Commercial License. A commercial product needs a different model or a separate agreement with the rights holder.
What hardware does Flux.1-dev ControlNet Upscaler need?
At minimum: One GPU with 16–80 GB — mid-size versions. Without a GPU the model is not practical. You can calculate the exact VRAM for your model size and context in the hardware calculator.
Does Flux.1-dev ControlNet Upscaler support Russian?
Language does not matter for this model: it does not work with text.
Where can I download Flux.1-dev ControlNet Upscaler and what does it cost?
The Flux.1-dev ControlNet Upscaler weights are open and free to download. You only pay for the hardware it runs on and for the setup. Source links are at the bottom of this page.
How I deploy it for clients
- SelectionI pick the model size for your task and hardware and test it on your examples.
- DeploymentI deploy it on your server or in a closed network and provide an API.
- Fine-tuningI fine-tune it on your data (LoRA) or connect a knowledge base — whichever is cheaper for the task.
- IntegrationI connect it to your CRM, ERP, bot, website or team chat and set up monitoring.
Similar models
ByteDance's video and photo restoration and upscaling. SeedVR2 does it in a single step, so it is noticeably faster than similar models. Commercial-friendly license.
DetailsPhoto editingSUPIRXPixel Group (Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shanghai AI Lab and others) · ChinaNon-commercial onlyPowerful SDXL-based restoration of badly damaged photos: it recreates details rather than just upscaling. Hardware-hungry; non-commercial license.
DetailsImage generationFLUXBlack Forest Labs · GermanyCommercial use with conditionsImage generation from the creators of Stable Diffusion. Renders text in images well and keeps the composition.
DetailsSource: huggingface.co/api/models/jasperai/Flux.1-dev-Controlnet-Upscaler. Data checked against the model card on 22 Sep 2026. Have a lawyer review the license before commercial launch.


