eustella

Europe's personal AI agent built for smartphones, powered by open-source models with data sovereignty and EU-hosted infrastructure.

eustella: Waitlist, invite only. Get it at eustella.com.

eustella is Europe's personal AI agent designed specifically for European users who prioritize data privacy and digital sovereignty. This mobile-first platform serves individuals and businesses seeking a secure alternative to US-based AI tools like ChatGPT. eustella operates as an agentic AI system that completes tasks, connects with favorite applications, and works proactively rather than simply answering questions. The platform runs exclusively on European infrastructure using open-source AI models, ensuring user data never leaves EU borders and remains private.