Category: AI
8 European alternatives to Proton Lumo — GDPR-compliant & EU-hosted.
Swiss privacy-first AI assistant with zero-access encryption, hosted in Europe
Facts
- Headquarters
- CH (EU)
- Category
- AI
- Type
- Product
- GDPR-compliant
- Yes
- Open-source
- No
- Data hosting
- EU
Top EU-based & GDPR-compliant alternatives to Proton Lumo
- Haystack (deepset)↗
Berlin-based deepset GmbH's open-source (Apache-2.0) LLM orchestration framework for RAG and agent pipelines; actively maintained (v2.30.2, June 2026) with 232+ releases.
DE · open-source
- Jina AI↗
Jina AI is a Berlin-based AI company specialising in frontier models for multimodal and multilingual search, including open-source embedding and reranker models. Since October 2025 it is a wholly owned subsidiary of Elastic N.V. (NYSE: ESTC), a US company headquartered in Mountain View, California. Elastic has committed to continuing open-source model releases on Hugging Face.
DE · open-source
Frequently asked questions
What is the best European alternative to Proton Lumo?
It depends on your use case. Strong EU alternatives to Proton Lumo include Aleph Alpha, DeepL and Dust. On this page you can compare 8 EU alternatives by jurisdiction, data residency and open-source status.
Are there open-source alternatives to Proton Lumo?
Yes. Open-source EU alternatives to Proton Lumo include Dust, Haystack (deepset), Jina AI and Kern AI. These keep your data fully under your own control and let you self-host if you want to.
Is Proton Lumo GDPR-compliant and where is the data hosted?
Proton Lumo is headquartered in CH (EU) and hosts data in EU. That makes Proton Lumo an EU-sovereign choice in its own right; the EU alternatives on this page are comparable European tools.