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Foundation Model Providers·Free for self-hosted open weights; Stability API metered per generation; Stability Membership $20/mo·stability.ai
Stability
Maker of Stable Diffusion and Stable Video — open-weights and hosted image / video generation.
Risk Score
High6/10
Independent assessment across data handling, compliance, security and transparency.
Overview
Stability AI ships open-weights image and video models (Stable Diffusion XL, Stable Video Diffusion, Stable Audio) and operates Stability API for hosted inference. Open weights mean users can self-host without sending data to Stability; the hosted API is governed by Stability's consumer-grade terms. No SOC 2 attestation is publicly available. Generated content carries copyright / IP risk depending on training data and prompt inputs.
Risk factors
3- Models trained on web-scraped image data — generated outputs may reproduce copyrighted material
- Hosted API governed by consumer-grade terms; no SOC 2 / DPA on standard plans
- Open-weights distribution makes downstream auditing of usage impossible at the model level
Recommendations
3- Self-host models in the customer environment for sensitive workloads — avoid the hosted API
- Run output through a copyright / NSFW filter before embedding in customer-facing assets
- Document training-data provenance for each generated image used commercially (defensible-use documentation)
Data handling
- Storage
- Stability cloud for hosted API; user-controlled when self-hosting open weights
- Retention
- Hosted API retains prompts and outputs per Stability's standard terms
- Training on inputs
- Hosted API: prompts may be used to improve services unless opted out. Open-weights: customer controls.
