Midjourney vs Stable Diffusion
Side-by-side comparison for UK business buyers. Scores 0–5 from our evaluation rubric; ✓ = claimed or available.
Comparison at a glance
| Dimension | Midjourney | Stable Diffusion |
|---|---|---|
| Implementation friction (0–5) | 3 | 2 |
| Integration maturity (0–5) | 2 | 4 |
| Pricing transparency (0–5) | 4 | 3 |
| Security posture (0–5) | 0 | 3 |
| SME fit (0–5) | 3 | 3 |
| GDPR/DPA | — | ✓ |
| Data location (UK/EU) | — | — |
| Starting price (GBP) | — | — |
| SSO | — | — |
| Audit logs | — | — |
— = not yet evaluated or not stated. How we evaluate.
Tool details
Midjourney
AI image generation via Discord: text-to-image with strong artistic and photorealistic output. UK SMEs in creative or marketing roles can use it for concept art and assets; access is subscription-only and requires Discord.
Visit Midjourney →Stable Diffusion GDPR/DPA
Open-source image generation model by Stability AI; run locally or via API. UK SMEs with technical capacity can use it for in-house creative work with full control over data; API and self-hosted options suit different risk and cost profiles.
Visit Stable Diffusion →How we evaluate
We score tools on five dimensions (0–5) from public, verifiable information: implementation friction (ease of getting started), integration maturity (APIs, SSO, export), pricing transparency, security posture (heuristic from vendor statements), and SME fit (overall fit for time-poor, budget-conscious UK SMEs). We also record flags: GDPR/DPA claimed, UK/EU data hosting, SSO, and audit logs.