HEAD TO HEAD
Midjourney vs Stable Diffusion
Compare Midjourney and Stable Diffusion side by side: pricing, compliance (SOC 2, ISO 27001, GDPR, HIPAA), access methods, and how each one handles your data.
| // ATTRIBUTE | M Midjourney | S Stable Diffusion |
|---|---|---|
| Pricing▲ | Paid | Open Source |
| Free Tier▲ | n/a | Free to run locally |
| Paid Plans▲ | Basic at $10/month, Standard at $30/month, Pro at $60/month | Stability AI API from $0.065/image |
| API Cost▲ | n/a | $0.065/image via API |
| Access▲ | Web App | Web App · API · Desktop App · CLI |
| SOC 2▲ | n/a | ● Yes |
| ISO 27001 | n/a | n/a |
| GDPR▲ | n/a | ● Yes |
| HIPAA | n/a | n/a |
| Data Region▲ | United States | Hosted products (Platform API, Brand Studio, Stable Assistant) process data on servers outside the EEA/UK/Switzerland, including in the US, per the Privacy Policy; cross-border transfer relies on Standard Contractual Clauses and Article 45 adequacy decisions. AWS is listed as a subprocessor hosting production environments and the HPC training cluster. Self-hosted/open-weight deployments keep all data inside the customer's own chosen environment. |
| Trains on Data | Yes | Yes |
| Self-hostable▲ | No | Yes |
| Category | Image Generation | Image Generation |
| Subcategory▲ | Art Generation | Text-to-Image |
MidjourneyStable Diffusion
// Pricing▲ differ
MidjourneyPaid
Stable DiffusionOpen Source
// Free Tier▲ differ
Midjourneyn/a
Stable DiffusionFree to run locally
// Paid Plans▲ differ
MidjourneyBasic at $10/month, Standard at $30/month, Pro at $60/month
Stable DiffusionStability AI API from $0.065/image
// API Cost▲ differ
Midjourneyn/a
Stable Diffusion$0.065/image via API
// Access▲ differ
MidjourneyWeb App
Stable DiffusionWeb App · API · Desktop App · CLI
// SOC 2▲ differ
Midjourneyn/a
Stable Diffusion● Yes
// ISO 27001
Midjourneyn/a
Stable Diffusionn/a
// GDPR▲ differ
Midjourneyn/a
Stable Diffusion● Yes
// HIPAA
Midjourneyn/a
Stable Diffusionn/a
// Data Region▲ differ
MidjourneyUnited States
Stable DiffusionHosted products (Platform API, Brand Studio, Stable Assistant) process data on servers outside the EEA/UK/Switzerland, including in the US, per the Privacy Policy; cross-border transfer relies on Standard Contractual Clauses and Article 45 adequacy decisions. AWS is listed as a subprocessor hosting production environments and the HPC training cluster. Self-hosted/open-weight deployments keep all data inside the customer's own chosen environment.
// Trains on Data
MidjourneyYes
Stable DiffusionYes
// Self-hostable▲ differ
MidjourneyNo
Stable DiffusionYes
// Category
MidjourneyImage Generation
Stable DiffusionImage Generation
// Subcategory▲ differ
MidjourneyArt Generation
Stable DiffusionText-to-Image
// FAQ
What is the difference between Midjourney and Stable Diffusion?
Midjourney is Paid (Image Generation · Art Generation); Stable Diffusion is Open Source (Image Generation · Text-to-Image). This page compares their pricing, compliance, access methods, and data handling side by side.
Is Midjourney or Stable Diffusion free?
Stable Diffusion offers a free or freemium tier, while Midjourney is paid.