Category: AI
8 European alternatives to Langfuse — GDPR-compliant & EU-hosted.
Langfuse is an open-source LLM observability platform (MIT license) originally founded in Germany, acquired by ClickHouse Inc. (USA) in January 2026. The ultimate parent is US-based.
Facts
- Headquarters
- DE (EU)
- Category
- AI
- Type
- Product
- GDPR-compliant
- Yes
- Open-source
- Yes
- Data hosting
- EU
Top EU-based & GDPR-compliant alternatives to Langfuse
- 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 Langfuse?
It depends on your use case. Strong EU alternatives to Langfuse 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 Langfuse?
Yes. Open-source EU alternatives to Langfuse 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 Langfuse GDPR-compliant and where is the data hosted?
Langfuse is headquartered in DE (EU) and hosts data in EU. It is also open-source, so you can self-host it. That makes Langfuse an EU-sovereign choice in its own right; the EU alternatives on this page are comparable European tools.