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Best European ChatGPT Alternatives (2026)
🇺🇸US Companyby OpenAI · Founded 2022
OpenAI's conversational AI assistant for answering questions, writing content, coding, analysis, and creative tasks.
freemium🤖AI & Language Models
Quick answer: 5 European alternatives to ChatGPT are listed, from 4 countries. 3 have a free plan. Top picks: DentroChat, LLMBase and Mistral AI.
| # | Product | Country | From | Pricing | Free plan | Open source | Self-host |
|---|---|---|---|---|---|---|---|
| 1 | DentroChat | 🇪🇪Estonia | €12 / month | Subscription | Not verified | Not verified | Not verified |
| 2 | LLMBase | 🇩🇪Germany | Not verified | Freemium | Yes | Not verified | Not verified |
| 3 | Mistral AI | 🇫🇷France | $14.99 / month | Freemium | Yes | Not verified | Yes |
| 4 | Infomaniak LLM API | 🇨ðŸ‡Switzerland | Not verified | No | Not verified | No | |
| 5 | LightOn | 🇫🇷France | €149 per month | Paid | Yes | No | Not verified |
A dash means we have not verified that attribute. Migration difficulty is shown only where the editor tested the switch.
DentroChat is an AI chatbot.
Notable
- Three modes: fast, thinking and creative
- Drafts, rewrites, summarizes, translates and codes in text chat
- Describe something and get an image back, such as logos, illustrations and mockups
Pricing: from €12 / month (homepage)
Pick DentroChat if you want a chat that generates PDFs, slide decks and spreadsheets ready to download.(our assessment)
Checked against DentroChat's homepage, legal notice and subprocessors page.
LLMBase
🇩🇪by Eyloo GmbH
LLMBase is an AI platform for chat and inference that provides open models through an OpenAI-compatible API, billed per token. It is operated by Eyloo GmbH in Montabaur, Germany. Inference API models are processed by Nebius and Hetzner in data centres in Finland, Germany and France (Paris).
Free plan
freemium
Mistral AI is frontier AI LLMs, assistants, agents and services.
Notable
- Chat interface in the browser to run long-horizon work and code tasks
- Voice mode: record or upload audio, get transcriptions, ask questions or generate summaries
- Generate and edit AI images from a few words
Pricing: from $14.99 / month (pricing page)
- Up to 30GB of storage per user on the Team plan
Pick Mistral AI if you want to schedule prompts, agents or workflows to run automatically at set times.(our assessment)
Checked against Mistral AI's homepage, legal notice, about page and pricing page.
Infomaniak LLM API
🇨ðŸ‡by Infomaniak LLM API
Infomaniak LLM API is an AI service offering open source AI on demand via API.
Notable
- Compare, group and index data with embedding templates, for example for content recommendation
- Transcribes audio files into text with the included Whisper model
- AI Services can be integrated into your own apps, which you are free to monetise
Where it falls short
- Does not currently offer training the AI Services on custom data. source
Pick Infomaniak LLM API if you want open source AI models via OpenAI-compatible APIs.(our assessment)
Checked against Infomaniak LLM API's ai services page, pricing page, legal notice and about page.
LightOn is a Production-ready multimodal RAG API.
Notable
- Turns scans, tables, handwriting and multi-column layouts into structured Markdown
- The customer defines a schema and LightOn returns structured JSON
- Every search result ships with the source passage that produced it
Where it falls short
- Dedicated environment (cloud, VPC or on-prem) only on the Enterprise plan. source
- Business plan includes 100 GB of document storage
Pick LightOn if you want search results that ship with the source passage that produced them.(our assessment)
Checked against LightOn's homepage, privacy policy, pricing page and about page.
Which should you choose?
- Pick DentroChat if you want a chat that generates PDFs, slide decks and spreadsheets ready to download.
- Pick Infomaniak LLM API if you want open source AI models via OpenAI-compatible APIs.
- Pick LightOn if you want search results that ship with the source passage that produced them.
- Pick Mistral AI if you want to schedule prompts, agents or workflows to run automatically at set times.
Our assessment, based only on the checked statements above.
How we checked this
We checked 4 of the 5 alternatives on this page against each company's own website in September 2026. Every line in the grey panels comes from that company’s own site, and a second check tried to disprove it before we kept it. A dash in the table means we could not verify that detail. "Pick it if" lines are our own assessment, based only on those checked statements.
Why switch from ChatGPT?
US CLOUD Act
US authorities can access your data stored by US companies, even if stored in Europe.
Privacy Concerns
US companies may collect and use your data in ways not compliant with EU standards.
EU Alternatives
European providers are listed by headquarters. Verify privacy, hosting, security, and legal requirements for your use case.
Frequently Asked Questions
Is there a free European alternative to ChatGPT?
Yes. LightOn and Mistral AI offer a free plan, according to their own website as checked in September 2026. Free plans usually carry limits, so check what each one includes.
Which European alternatives to ChatGPT can you self-host?
Mistral AI states on its own website that you can run it on your own servers, as checked in September 2026.
What do European alternatives to ChatGPT cost?
Entry prices on the paid plans, as each vendor lists them on its own website (checked September 2026): DentroChat from €12 / month and Mistral AI from $14.99 / month. Plans differ in what they include, so compare limits as well as price.
Is ChatGPT GDPR compliant?
As a US-based company, ChatGPT may transfer and process your data in the United States. While they may have GDPR compliance measures, your data could still be subject to US laws including the CLOUD Act.
How do I migrate from ChatGPT to a European alternative?
Start by exporting your data from ChatGPT. Import options differ by product, so check what each alternative documents before you commit. This page shows migration difficulty only where the switch has been tested.
Other AI & Language Models you might want to replace
Ready to switch to a privacy-focused alternative?
Protect your data by moving to an EU-based service. Our migration guides make switching easy.
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