# Model adaptation for your business

> https://stage.viviar.by/en/services/model-adaptation

Обновлено 2026-08-03

We don't build the model — we adapt the best existing ones to your data, standards, and metric.

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## FAQ

### Do you train your own large language model?

No. We adapt the best existing open and frontier models. The moat is domain adaptation — your knowledge, standards, and metric — not rebuilding the model itself.

### Can our data stay private?

Yes. When data must stay inside your perimeter, we deploy locally or in your own cloud, and your data never leaves it.

### What's the difference between RAG and fine-tuning?

RAG gives a model your knowledge to answer from; fine-tuning teaches it your skill and style. Most real systems use both, applied in the order the problem needs.

### How do you know the adapted model is good enough?

We build an evaluation set and score against your success metric before anything ships, so quality is measured rather than assumed.