# eustella — AI Compare Ninja

> Sovereign European AI agent for tasks, chat, research, and mobile workflows with zero US CLOUD Act exposure.

## Overview
- **Category:** Productivity (Assistants & workspaces)
- **Status:** Active · checked - Active. European AI agent with web, iOS, and Android apps. Offers a free starter plan and monthly cancellable subscriptions.
- **Paid from:** Not verified for this market / Month (Comet)
- **Free access:** Free plan
- **Website:** https://eustella.com
- **Canonical URL:** https://www.aicompare.ninja/en/tool/eustella

## What it does
- Sovereign EU infrastructure on IONOS (Berlin), Verda (Helsinki), and Scaleway (Paris) without US CLOUD Act
- Open-weight model stack (Qwen, Mistral, Whisper, GPT-120B OSS) hosted entirely inside the EU
- Agentic platform: Acts and executes everyday workflows rather than being just a chatbot
- Mobile-first focus with native iOS and Android apps alongside the web interface
- Permanent Free tier plus monthly cancellable plans starting at €5.99/month

## In brief
eustella is a European agentic AI platform built by Vienna-based AI Newsrooms Technology GmbH, positioned as a sovereign alternative to US-based chat assistants.

The platform runs open-weight and European foundation models such as Mistral, Qwen, Whisper, and GPT-120B OSS self-hosted without external API dependencies across IONOS (Berlin), Verda (Helsinki), and Scaleway (Paris) data centers.

Beyond chat responses, the agent actively handles tasks including research, scheduling, and document analysis, with upcoming MCP connectors and native mobile apps on iOS and Android alongside the web app.


## Limits
Developed by AI Newsrooms Technology GmbH in Vienna. eustella combines chat, web search, document and image processing with agentic workflows exclusively on European cloud servers.

## Pricing tiers
| Tier | Price | Period | What you get |
| --- | --- | --- | --- |
| Free | free | Month | 1x baseline usage for chat, web search, and research; Image and document generation; Projects for task organization; iOS, Android, and web apps included; 100% European data sovereignty without US CLOUD Act |
| Comet | Not verified for this market | Month | 4x more usage than the Free tier; Base agent for everyday tasks; Basic MCP connections (announced); Monthly cancellable, all Free features included |
| Star | Not verified for this market | Month | 12x more usage than the Free tier; Scheduled and advanced agents (announced); All features from Comet included; Monthly cancellable |
| Cosmos | Not verified for this market | Month | 60x more usage than the Free tier; Stronger reasoning model (announced); Highest priority and largest allowances; All features from Star included |
| Enterprise | contact sales | Contract | Custom pricing with annual contract; Dedicated knowledge base and document limits; Fine-grained role-based access control (RBAC); Full tenant isolation with dedicated clusters possible; Fine-tuning and direct human support |

## Sources
All details regarding plans, limits, and features are based on official vendor documentation and the primary sources verified below.

- https://eustella.com/de
- https://eustella.com/de/pricing
- https://eustella.com/de/ai-models
- https://eustella.com/de/sovereignty/infrastructure
- https://eustella.com/de/imprint

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*Source: AI Compare Ninja (2026) - https://www.aicompare.ninja/en/tool/eustella*