EU chatbot eustella launches officially: Pricing, free tier and subscription plans
As one of around 5,000 beta users, we already tested eustella from the Vienna startup newsroom.ai (see our hands-on report) and were genuinely surprised by how capable today’s open-weight models used by eustella have become. These primarily include Gemma 4 (Google), Qwen 3.5/3.7 (Alibaba Group), gpt-oss-120b (OpenAI), and Mistral (Mistral AI), as well as Flux (Black Forest Labs) for image generation. The developers also aim to remain flexible and integrate new open-weight models as soon as they deliver even better results.
Privacy as a core argument: EU servers, encryption and no tracking
The guiding principle is that users retain full control over their data, and no user profiles are created. The first requirement for this is that all servers are located in Europe (including Berlin, Frankfurt, and other EU cities) and are operated by the German company IONOS CLOUD. However, even IONOS is not supposed to have access to user data; all information is stored encrypted in the cloud and is not used for training AI models.
Pricing and subscription tiers: What eustella costs at launch
After the beta phase, the pricing model has now finally been finalized: users can create a free account, and how extensively it can be used will be tested in the near future. In addition, there are three different subscription tiers. The cheapest plan costs €5.99 per month and allows a usage limit that is four times higher than the free version.
App, browser and web: How eustella can be used
eustella can be accessed either via an app (Google, iOS) or directly through a web browser. Group chats are supported as well as web search functionality. In our testing, eustella was only able to generate code via copy and paste, but not files such as images or documents. We will check again shortly whether anything has changed here, as the pricing banner also mentions features like “images, presentations, documents.”
Bitpanda and Geizhals onboard: More partnerships planned
It is also noteworthy that eustella is pursuing partnerships with other companies whose products will be integrated into its AI agents. Two integrations are already live: when users ask about cryptocurrencies or electronics, they are shown relevant data via APIs from Bitpanda or Geizhals.
The Geizhals price and product database is intended to provide users with recommendations on demand, while Bitpanda is set to display real-time crypto prices when requested. Additional partnerships are currently in development.
As of today, June 25, 2026, eustella is available for general use. The limits of the free tier, whether eustella can now create documents and files, and what else has changed since the beta phase will be examined in a separate article.
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