Compare Runway vs Stable Diffusion: features, pricing, pros and cons. Find out which AI tool is better for your needs.
| Feature | Runway | Stable Diffusion |
|---|---|---|
| Pricing Model | Freemium | Free |
| Starting Price | $15.00/mo | $20.00/mo |
| Free Plan | ✓ Yes | ✓ Yes |
| Free Trial | ✗ No | ✗ No |
| API Available | ✓ Yes | ✓ Yes |
| Mobile App | ✓ Yes | ✗ No |
| Browser Ext | ✗ No | ✗ No |
| GDPR Compliant | ✓ Yes | ✓ Yes |
| AI Model | Gen-3 Alpha / Gen-2 | Stable Diffusion 3 / SDXL |
| Company | Runway AI, Inc. | Stability AI Ltd. |
| Founded | 2018 | 2020 |
| Overall Rating | 4.8 ★ (5100 reviews) | 4.9 ★ (9500 reviews) |
Both Runway and Stable Diffusion are capable AI tools with distinct strengths. Based on 9500 user reviews, Stable Diffusion currently holds a higher rating of 4.9/5.
Runway and Stable Diffusion are both AI tools with different strengths. Runway offers a free plan. Stable Diffusion offers a free plan. Review the comparison table above for a full feature-by-feature breakdown.
Runway starts at $15.00/mo, making it more affordable.
Both Runway and Stable Diffusion offer free plans. Try both to see which fits your workflow.
For beginners, ease of use and a free trial are the most important factors. We recommend trying both tools using their free tiers or trials before committing to a paid plan. Both Runway and Stable Diffusion have helpful documentation and onboarding.
Yes. Most users find switching between AI tools straightforward. Your data and outputs from Runway are not locked in — you can export them and begin using Stable Diffusion at any time.