Data sharing policies specify if and how a provider may use customer data (prompts, files, logs) for model improvement or third-party analytics.
Policy Dimensions
Provider Comparisons (2025)
Design Trade-offs
- Disabling data sharing improves privacy but slows model iteration.
- Differential privacy adds noise that can degrade dataset utility.
- Frequent opt-in prompts hurt UX; silent defaults risk backlash.
Current Trends (2025)
- Granular policy tokens let users allow data reuse for safety fine-tuning but not marketing.
- Transparency dashboards show how many training samples came from each customer.
- EU AI Act pushes "purpose limitation" clauses into API TOS.
Implementation Tips
- Version policies; store policy version seen at request time for audit.
- Provide a signed attestation when user data is purged from training pipelines.
- Separate operational logs from training corpora to ease opt-out.