TildeOpen LLM: The base layer for your next AI product

TildeOpen LLM is a foundational large language model. It means that it’s a powerful multilingual base you can fine-tune and build on. Designed for flexibility, it can be adapted to power a wide range of AI solutions tailored to your specific needs.

Key features & benefits

Open and transparent 

Open-source foundation with ethical data handling

Built for Europe

Provides equal support for all official EU languages *

Secure and sovereign 

Adaptable for national, legal, or sector-specific needs.

Efficient and sustainable 

More efficient tokenisation, lower costs, reduced energy use and CO₂ footprint.

Customisable and flexible 

Adaptable for national, legal, or sector-specific needs.

Compliant by design 

Aligned with European values and governance standards

Foundational 

An adaptable multilingual base for assistants, services, and AI platforms

* TildeOpen supports the following languages: Albanian, Bulgarian, Bosnian, Croatian, Czech, Danish, Dutch, English, Estonian, Finnish, French, German, Greek, Hungarian, Icelandic, Italian, Latvian, Lithuanian, Macedonian, Maltese, Norwegian, Polish, Portuguese, Romanian, Russian, Slovak, Slovene, Serbian, Spanish, Swedish, Turkish, Ukrainian.

Build AI that speaks your language

TildeOpen gives you the foundation to create secure and sovereign AI. Explore the model now or talk to us about tailoring it to your needs.

Use TildeOpen as a base to build powerful applications

Customer support automation

An audio player with a text marker makes it easy to listen along and simultaneously edit the transcription, if necessary.

Compliance & legal workflows

Document analysis tools that extract key information and assist with regulatory processes while maintaining security. 

Knowledge management systems

Intelligent search platforms that understand context and terminology across your organisation. 

Content creation

Translation, localisation, and multilingual content generation to support international expansion.

Document processing solutions

Automated classification, analysis, and processing of business documents at an enterprise scale. 

Operational efficiency tools

Turn your speech into text instantly by dictating it straight into Tilde Transcribe from your web browser.

AI for the public sector 

TildeOpen for governments & institutions 

TildeOpen enables secure and sovereign AI for modern public services, giving governments full control over sensitive data. It can be fine-tuned to national legislation, government terminology, and administrative processes, providing reliable AI outputs tailored to each institution.  

National language models

Host sovereign AI in national infrastructure; sensitive data stays within the country, ensuring compliance with EU data protection standards. 

Citizen assistants

Deliver 24/7 multilingual support across European languages for improved service accessibility. 

AI for legal & policy workflows

Accelerate drafting and analysis with AI tailored to national legal frameworks. 

AI for enterprises 

TildeOpen for companies 

The same strengths that power governments also help businesses scale and compete. TildeOpen can be adapted to company-specific workflows, delivering multilingual, secure, and reliable AI solutions across industries. 

Built to fit diverse industries

As an open-source model, TildeOpen will be yours to use, adapt, and fine-tune

Research & innovation

TildeOpen supports researchers in studying languages, improving translation systems, and developing innovative language technologies. It provides a flexible base for exploring new ideas and enhancing language tech capabilities. 

Healthcare

Healthcare providers can leverage TildeOpen to build AI systems that accurately process multilingual medical data, support cross-language patient communication, and provide high-quality multilingual health information in various languages.  

Financial services & insurance 

Financial institutions and insurance companies can use TildeOpen to improve customer service, automate document processing, and handle multilingual financial data securely. 

Our services

Custom fine-tuning

Adapting TildeOpen to policy, legal, or operational requirements.

Data preparation

Curating high-quality datasets for accurate, reliable results.

HPC support

Guiding access to resources and running training efficiently.

Fine-tuning LLMs for enterprises with FFplus 

With support from the FFplus initiative, we're fine-tuning TildeOpen and other LLMs for a secure, locally deployable enterprise search and Q&A system. This project focuses on smaller European languages, helping organisations use AI safely – without sending data to third parties – and ensuring better quality than generic English-centric models. 