Source: Hacker NewsSeptember 2, 2026

Mistral Vibe Trains on User Prompts by Default — Opt-Out Required

Mistral's Vibe free tier was discovered to train on user prompts by default on September 2. Opting out requires navigating to an admin panel setting — the default favors Mistral's data collection, not user privacy.

Key Points:

• User prompts on the free consumer tier train Mistral's models by default.

• Opt-out is buried in admin settings, not prominently disclosed during signup.

• Enterprise accounts are opted out by default, creating a two-tier privacy standard.

This reveals a meaningful divergence between free and enterprise AI tiers on privacy. Organizations should audit the default training settings on every AI platform their teams use, especially on free or consumer-grade tiers.

Why It Matters: The default-on training setting reveals that free AI tiers may have significantly weaker privacy protections than enterprise versions — a risk for organizations whose employees use consumer tools for work.

Mistral Vibe Trains on User Prompts by Default — Opt-Out Required | AI Onboarded