Compare AI models
Pick any two and watch the same prompt rendered by both.
Stable Diffusion 3.5
Imageby Stability AI
Stable Diffusion 3.5 anchors the biggest open-source image ecosystem — endless models, LoRAs, and tools you can run yourself.
Full review →
Runway Gen-3
Videoby Runway
Gen-3 pairs excellent video quality with the deepest creative toolset — motion brush, keyframes, and video-to-video make it the most controllable pick.
Full review →| Metric | Stable Diffusion 3.5 | Runway Gen-3 |
|---|---|---|
| Quality | 8.5 | 8.9✓ |
| Speed | 8.4 | 8.7✓ |
| Ease of use | 7.2 | 9.2✓ |
| Value | 9.4✓ | 8.6 |
| Max resolution | 2048px | 1080p |
| Pricing | Open weights / API from $0.03 | Free trial / from $12/mo |
Stable Diffusion 3.5
- +Open weights, run locally
- +Massive ecosystem of LoRAs/tools
- +Total control, no fees
- −Needs setup & a GPU
- −Base output less polished than Midjourney
Runway Gen-3
- +Deep control: motion brush, keyframes, director mode
- +Fast iteration and a strong web editor
- +Reliable image-to-video
- +Predictable credit-based pricing
- −Slightly behind Sora on pure realism
- −Credits can burn quickly at high resolution
- −Long sequences need manual stitching
Same prompt, both models
Identical prompt run through Stable Diffusion 3.5 and Runway Gen-3. Watch them side by side.
“A neon-lit street at night, slow forward dolly, rain-slick reflections, cinematic”
“Close-up portrait turning toward camera, soft key light, shallow depth of field”
“Aerial drone gliding over a landscape at golden hour, long shadows”
“Product on a reflective surface, slow rotation, studio gradient light”