September 17, 2026 · Mozilla
Mistral and Mozilla Integrate AI Into Firefox With Zero Data Retention
My take: On September 16, Mistral and Mozilla announced that Firefox Smart Window (still in beta) now runs on Mistral models, with a concrete commitment: neither Mozilla nor Mistral retains user conversations for model training. Zero data retention by default. The feature is already available in France and North America, with the UK and Germany coming soon.
This matters because until now most AI tools in the browser were proprietary or tied to a single provider. Here the user can choose between different models, and the privacy commitment is not just a legal document: it is zero technical data retention, something most competitors do not offer.
For professionals working with sensitive information, confidential client data, or who simply prefer to keep their work conversations off third-party servers, is Firefox Smart Window a compelling enough reason to consider switching browsers?
Want to use these tools? See the unbiased reviews or back to the news.