Runway Gen-4
Runway class B live
Runway's closed commercial image/text-to-video model with consistent characters and scenes; 5-10s clips at 720p, silent, self-serve credit API.
Layer 1 — factual axes
| API & price | public · ~$0.05/s (Gen-4 Turbo = 5 credits/s @ $0.01) | official | source ↗ 2026-07-04 |
|---|---|---|---|
| Max output | 10s · 720p (4K via upscale) | secondary | source ↗ 2026-07-04 |
| Native audio | no | secondary | source ↗ 2026-07-04 |
| Weights | closed | secondary | source ↗ 2026-07-04 |
| Free tier | watermarked (Free plan: 125 one-time credits) | official | source ↗ 2026-07-04 |
Layer 2 — output quality
No independent measure yet. We publish a quality figure only when a named external benchmark ranks this model — we don’t invent one.
Runway’s closed commercial image/text-to-video model with consistent characters and scenes; 5-10s clips at 720p, silent, self-serve credit API.