Large language model (LLM) fine-tuning

Fine-tuning specialises an open-source model in your field: your vocabulary, your style, your tasks. The result is a model you own and can host wherever you like.

Our fine-tuning process

  • Choosing the base model

    An open-source model whose licence allows commercial use and modification.

  • Preparing the data

    High-quality examples, built and checked with your experts.

  • Training and evaluation

    GPU training, then tests on real cases before going live.

  • Deployment

    The model runs on your machines or with a European host.

Real-world examples

  • A legal model trained on French and Italian law for LegisBox.
  • A model that writes technical reports in a company’s exact format.
  • A model that sorts customer requests using an internal taxonomy.

Frequently asked questions

Fine-tuning or a RAG assistant: which one?

RAG brings up-to-date knowledge from your documents. Fine-tuning teaches the model a way of reasoning, writing or classifying. They are often combined.

How many examples are needed?

A few hundred carefully built examples are often enough for a specific task. Quality matters more than quantity.

Related services

  • AI app development

    We build business software that uses AI to read, sort, summarise or draft for you.

  • AI agents and automation

    An AI agent chains several actions for you: it reads an email, updates the CRM, prepares an invoice and schedules a follow-up.

  • AI assistants on your data

    A RAG assistant answers your team’s questions using only your documents and shows where each answer comes from.

  • Dataset creation

    A model is only as good as its data.

Let’s talk about your project

A free first conversation, with no commitment, to see what would really help your business.