# Slack — Does this vendor train AI models on your data? Per-product, per-tier, quoted from the current policy For Slack, product or service is AI in Slack; trains on your content by default? is opt-in; what the policy says is Slack will not use Customer Data to train generative AI models unless Customer provides affirmative opt-in consent; document is Privacy Principles: Search, Learning and Artificial Intelligence, recorded from its source on 2026-08-10. - **Vendor:** Slack _(verified: appears in the quote below)_ - **Product or service:** AI in Slack - **Trains on your content by default?:** opt-in _(our reading, not quoted from the source)_ - **What the policy says:** Slack will not use Customer Data to train generative AI models unless Customer provides affirmative opt-in consent. _(verified: appears in the quote below)_ - **Document:** Privacy Principles: Search, Learning and Artificial Intelligence _(verified: appears in the quote below)_ ## What the source says > Slack will not use Customer Data to train generative AI models unless Customer provides affirmative opt-in consent. ## Source - https://slack.com/trust/data-management/privacy-principles Last verified: 2026-08-10. Review by: 2026-10-09. Part of [Does this vendor train AI models on your data? Per-product, per-tier, quoted from the current policy](https://referencesource.org/ai-training-data-use-by-vendor/).