Self-hosted / open sourceAIHeadquarters: US

ComfyUI: sovereignty score and 8 European alternatives

ComfyUI is an open-source, node-based tool for visual AI workflows. Users connect AI models, processing steps and outputs on a canvas to build and run their own pipelines, and the software runs on the user's own computer. Comfy Org also offers Comfy Cloud, which provides the same tool as a hosted service. The source code is published on GitHub under the GPL-3.0 licence.

ComfyUI is maintained by Comfy Organization Inc, which its privacy policy names as the operator; the website footer gives San Francisco, USA as the location. The privacy policy includes a section on the rights of people in the European Economic Area under the GDPR, but it does not mention a data processing agreement and does not name the regions where Comfy Cloud stores data. Because the software can be installed and run locally, organisations that want prompts and generated content to stay on their own systems can avoid the cloud service.

See the 8 European alternatives ↓Assess your stack with ComfyUI pre-selected

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Sovereignty score

69 / 1000 = high exposure
100 = sovereign

Jurisdiction SOV-210
Headquartered in the US: CLOUD Act and FISA 702
Data residency SOV-3100
No hosting in Europe (US)
Cryptographic key sovereignty SOV-390
Self-hostable: encryption keys under your own control
Freedom from lock-in SOV-680
Open source: low switching costs
Source & runtime sovereignty SOV-4 · SOV-665
Source code auditable, forkable and self-hostable

SOV codes: the matching objective in the European Commission's Cloud Sovereignty Framework. Official source

How the score is calculated

Facts and evidence

Last checked October 12, 2026

Headquarters	US (US)Verified by hand
EU adequacy decision	Only for companies individually certified under the EU-US Data Privacy FrameworkVerified by hand
Sovereignty model	Open-source, distributedVerified by hand
Data hosting	USVerified by hand
Open-source	YesVerified by hand
GDPR-compliant	YesVendor-stated
Category	AI
Type	Product
Website	comfy.org ↗

How we verify · Something wrong? Suggest a correction

Top EU-based & GDPR-compliant alternatives to ComfyUI

The European alternatives to ComfyUI come from our knowledge base of over 7,800 vendors. We only list vendors headquartered in the EU or the EEA; fully European-owned vendors rank before vendors with a foreign owner. For each alternative you see the country, the open-source status and a short description.

Score per alternative: 0 = high exposure, 100 = sovereign

69 European AI vendors are in the catalogue. View the whole category · Submit an alternative · View category on the map

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Why digital sovereignty matters with ComfyUI

ComfyUI is headquartered in the United States. US vendors fall under the CLOUD Act and FISA 702: US authorities can compel access to data, even when that data sits in a European data centre. That is the core of the jurisdictional exposure in our model.

ComfyUI hosts data outside the EU (US). Personal data therefore leaves the EU, which requires a transfer mechanism under the GDPR and pulls the data residency score down.

ComfyUI is open source. You can audit the source code, self-host the software and keep the encryption keys under your own control. Switching is easier because data and software are not tied to a single party.

What this means for your organisation depends on your whole stack and context. The free assessment weighs ComfyUI together with your other vendors and gives a total score, a heatmap and the main risk drivers.

Frequently asked questions

What is the best European alternative to ComfyUI?

It depends on your use case. Strong EU alternatives to ComfyUI include Acapela Group, Aleph Alpha and Almato. On this page you can compare 8 EU alternatives by jurisdiction, data residency and open-source status.

Are there open-source alternatives to ComfyUI?

Yes. Open-source EU alternatives to ComfyUI include Apertus. These keep your data fully under your own control and let you self-host if you want to.

Is ComfyUI GDPR-compliant and where is the data hosted?

ComfyUI is headquartered in US and hosts data in US. The vendor states it is GDPR-compliant, but the data falls under non-EU jurisdiction. For full EU data residency the EU alternatives on this page usually offer more certainty.

Details and sources

Verified by handHeadquarters, owner, hosting locations and licence have been checked by us against public sources. Free of charge and for every vendor, not a paid label. Nothing in this knowledge base is taken over automatically. Last checked on October 12, 2026.

Sources

Public sources used in the latest check of this record.

Compliance evidence

The links below point to the vendor's own public documents. We only record what we found: a missing link means "not found publicly", not "not compliant".

No public compliance evidence has been recorded for this vendor yet. Do you know its DPA or subprocessor list? Something wrong? Suggest a correction

Digital sovereignty in AI

AI: Artificial intelligence — large language models, translation, generative AI. In this category the choice of vendor determines who has legal access to your data, where that data lives and how easily you can switch later.

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