Sovereign alternative to Google Gemini:
which AI for your business?
Google Gemini is natively integrated into Gmail, Google Docs, Sheets and Drive,a major asset for businesses operating within the Google ecosystem. But when your needs go beyond the Workspace suite, with sensitive data and sovereignty requirements, other options exist.
This guide compares LetzAgents and Google Gemini factually, to help you choose the solution that fits your professional context in Luxembourg and Europe. Gemini excels within the Google Workspace ecosystem. But when it comes to data sovereignty, deep business customisation or client-facing AI agents (chatbot, phone), the needs are different.
Presentation of both solutions
Google Gemini
GoogleGoogle Gemini is Google's family of AI models (Gemini Pro, Ultra, Flash), progressively integrated into Google Workspace under the name "Gemini for Google Workspace". Accessible via gemini.google.com, the Vertex AI API, and directly within Gmail, Docs, Sheets and Drive, Gemini leverages the power of the Google ecosystem. Google also offers NotebookLM, a particularly impressive document analysis tool. The enterprise offering (Gemini Business and Gemini Enterprise) is added on top of existing Google Workspace licences.
LetzAgents
LuxembourgLetzAgents is a private and sovereign AI solution, independent of any software ecosystem. Hosted exclusively in Europe on ISO 27001 certified servers, it creates a dedicated instance for your business, connected to all your internal documents via RAG technology. LetzAgents is not limited to one ecosystem: it ingests your PDFs, Word, Excel, audio files, web pages and databases, regardless of their format or origin.
Integration and ecosystem
This is Gemini's major strength. The native integration into Gmail, Google Docs, Sheets, Slides and Drive is a considerable advantage. Gemini can summarise email threads in Gmail, draft in Docs, analyse data in Sheets, or create presentations in Slides,directly from the applications your teams already use. For businesses fully on Google Workspace, adoption is almost immediate. NotebookLM deserves a special mention: this tool allows conversational document analysis with remarkable quality. The limitation: Gemini is locked into the Google ecosystem. If your critical documents are in another system (ERP, NAS server, business software, database), Gemini cannot access them. And it does not offer a client chatbot or AI phone agent.
LetzAgents does not have native integration with Google Workspace,that is a fact. It works via a dedicated web interface, a chatbot embeddable on your website, an AI phone agent, and an API. Its advantage: it is tied to no ecosystem. It ingests documents from any source and offers AI agents that Gemini does not cover (web chatbot, phone).
Gemini shines within the Google Workspace ecosystem. LetzAgents is agnostic and covers channels that Gemini does not offer (client chatbot, phone agent).
Hosting and data sovereignty
Gemini runs on Google Cloud. Google offers storage regions in Europe and contractualises data residency for Workspace clients. However, Google (Alphabet Inc.) remains an American company subject to the Cloud Act. Moreover, Google's historical business model relies on data exploitation, even though Google states that paying Workspace clients' data is not used for model training. European authorities (CNIL, DPA) have sanctioned Google multiple times on privacy matters. For Luxembourg businesses handling sensitive data, the question of entrusting that data to Google deserves serious consideration.
The entire infrastructure (storage, processing, AI models) is hosted in Europe, operated by European entities. No dependency on any American company. Your instance is physically and logically isolated. For regulated professions in Luxembourg (fiduciaries, law firms, financial sector), this independence eliminates any legal grey area.
LetzAgents guarantees complete sovereignty with no Cloud Act exposure. Google offers data residency in Europe but remains subject to American jurisdiction and a controversial privacy track record.
Customisation and knowledge base
Gemini for Workspace accesses data from your Google tenant (Drive, Gmail, Docs, Sheets). This is effective for office tasks: summarising email threads, creating a document from another, analysing a spreadsheet. NotebookLM allows conversational analysis of up to 50 sources per notebook,a truly impressive tool for ad-hoc document analysis. But Gemini does not create a structured and permanent business knowledge base. It does not "understand" your internal processes beyond what is in your Google tenant. And NotebookLM remains an individual tool, limited in volume.
LetzAgents builds a permanent knowledge base from all your documentation,all formats, all sources. Every answer cites its sources (document + page). An accounting firm can upload its tax circulars, declaration templates, and case law. The AI becomes an expert in your business, not just an office assistant.
Gemini is an excellent assistant within Google Workspace and NotebookLM is ideal for ad-hoc analysis. LetzAgents is a business expert trained on all your documentation permanently.
AI agents and client channels
Gemini is an internal assistant. It helps your employees with their daily tasks within Google Workspace. It does not offer a chatbot embeddable on your website for your clients, nor an AI phone agent to handle incoming calls. If you need to automate client reception or support, Gemini is not designed for that.
LetzAgents offers a complete suite of AI agents, all connected to your knowledge base: an internal chat agent for your teams, a web chatbot embedded on your site for client support and appointment booking, and an AI phone agent that answers calls 24/7 in natural, multilingual voice. These agents share the same knowledge base.
LetzAgents covers both internal (team assistant) and external (client chatbot, phone agent),a scope that Gemini does not cover.
Who is each solution for?
Google Gemini is a good choice if:
- Your business uses Google Workspace intensively (Gmail, Docs, Sheets, Drive)
- Your needs are primarily office-related (writing, summarising, analysis)
- You have no strict sovereignty constraints beyond standard GDPR
- You are comfortable with Google processing your data
- You do not need client-facing AI agents (chatbot, phone)
LetzAgents is designed for you if:
- You need an AI trained on your business expertise (not just your emails)
- Data sovereignty is critical (professional secrecy, regulation)
- You want a client chatbot or AI phone agent, in addition to internal AI
- You do not depend exclusively on Google Workspace
- You are in Luxembourg and want local support in your language
3 reasons to choose LetzAgents over Google Gemini
Enterprise AI without feeding Google's advertising ecosystem.
Your data outside Google's empire
With Gemini, your data feeds Google's ecosystem,the world's largest advertising seller. LetzAgents never monetises your data: ISO 27001 certified European hosting, dedicated instance, transparent business model.
- Zero advertising exploitation of your data
- No data at Google or Alphabet
- Transparent business model, not based on your data
An expert in your business, not a Google assistant
Gemini is designed for the Google ecosystem (Workspace, Search, Ads). LetzAgents is designed for your business expertise: permanent knowledge base on all your documents, with systematic source citation.
Customer channels without depending on Google
Gemini lives in Gmail, Docs and Drive. LetzAgents gives you a customer chatbot on your own site and an AI phone agent,independent of any third-party ecosystem.
LetzAgents vs Google Gemini:
| Criteria | Google Gemini | LetzAgents |
|---|---|---|
| Hosting | Google Cloud (Alphabet, US) | Europe (ISO 27001) |
| Native Google Workspace integration | Yes (Gmail, Docs, Sheets…) | No (web interface + API) |
| Cloud Act exposure | Yes (US company) | No |
| Dedicated and isolated instance | No (shared infrastructure) | Yes (isolated instance) |
| Native GDPR compliance | Partial (DPA + EU residency) | Complete (EU hosting) |
| Business knowledge base | Limited (Drive + NotebookLM) | Complete (all formats, all sources) |
| Source citation | Partial | Yes (document + page) |
| Business customisation | Limited (Google data) | Deep (RAG + fine-tuning) |
| AI phone agent | No | Yes |
| Website-embeddable chatbot | No | Yes |
| Multilingual (FR/EN/DE/LB) | Yes | Yes |
| Local Luxembourg support | No | Yes |
| Pricing | ~$20–30/user/month | On request (SME and Enterprise plans) |
Book a meeting
Let's discuss your needs and see how LetzAgents can help you.
Frequently asked questions
Everything you need to know to choose between Google Gemini and LetzAgents.
Can you use LetzAgents AND Gemini at the same time?
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Absolutely. Both solutions address different needs and are complementary. Gemini for daily office tasks within Google Workspace (summarising emails, drafting in Docs, analysing in Sheets), LetzAgents for complex business questions, client support via chatbot and AI phone reception. Many businesses use both.
Doesn't Google NotebookLM do the same thing as LetzAgents?
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NotebookLM is an excellent tool for analysing a small number of documents (up to 50 sources per notebook). But it remains an individual tool, tied to your Google account, hosted in the United States. It does not create a shared and permanent enterprise knowledge base, does not offer a client chatbot or phone agent, and does not guarantee sovereign hosting. It is a complementary tool, not a direct competitor to LetzAgents.
My business uses Google Workspace. Do I need to switch?
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No. LetzAgents is independent of your software ecosystem. You can perfectly well use Google Workspace for your daily work and LetzAgents for your enterprise AI, your client chatbot and your phone agent. The two do not conflict.
Can LetzAgents work inside Gmail or Google Docs like Gemini?
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No, LetzAgents does not integrate natively into Google applications. This is an architectural choice: LetzAgents is an independent tool accessible via the web and an API. If your primary need is an assistant inside Gmail and Google Docs, Gemini is better suited. If your need is a business AI with client chatbot and phone agent, LetzAgents is the right choice.
What is the cost comparison between Gemini and LetzAgents?
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Gemini for Workspace costs between $20 and $30/month per user, on top of your Google Workspace licence. For 20 users, that is $400 to $600/month. LetzAgents offers tailored plans (SME and Enterprise) with pricing on request, including sovereign hosting, document ingestion and local support. Check our pricing for your situation.
Want to see concretely how LetzAgents compares to Gemini on your own documents? Book a meeting for a free demo.
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