Open source & local AI / Best open-source and local AI image generators

Best open-source and local AI image generators

2 tools for generating images on your own GPU. Your data stays on your machine, and most work offline once the model is downloaded.

ToolOpen source / localPriceNotesChecked
ComfyUI
Node-based local image and video generation with open models
Open source: GPL-3.0Free (open source) ✓ checkedRuns FLUX, Stable Diffusion and other open image/video modelssource
2026-10-23
Get ComfyUI →
FLUX.1 [schnell]
Fast open-weight image model you can run locally and use commercially
Open weights: Apache 2.0 (FLUX.1 [dev] is non-commercial)Free open weights (Apache 2.0) ✓ checkedRun it in ComfyUIsource
2026-10-23
Get FLUX.1 [schnell] →

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“Open source” means the code is published under the license shown; “open weights” means the model files can be downloaded and run on your own hardware (the maker's chat app may still be a cloud service). LM Studio is free and runs models locally but is not open source. Running models locally needs a reasonably modern computer; larger models need a GPU or lots of memory. Licenses were read on the source linked on the check date; check the model's own license before commercial use. Some links are affiliate links (disclosure); they never change what we list.

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