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.

Eligible for Best freeBest for API

Runway’s closed commercial image/text-to-video model with consistent characters and scenes; 5-10s clips at 720p, silent, self-serve credit API.

Data as of 2026-07-04 · verified 2026-07-04. One ruler for all tools. How we measure ↗