Filmmakers and ad makers wanting strong prompt adherence in short clips; the cheapest plan buys under a minute of Gen-4.5 footage a month.

Kenning's take

What it does

Gen-4.5 is Runway's video model, announced on 1 December 2025, aimed at better motion, prompt adherence and visual detail than Gen-4 while keeping its speed. Runway says it ranked first on the Artificial Analysis text-to-video leaderboard at launch. It is available on Runway's paid subscription plans and through the Runway API.

  • Text-to-video and image-to-video generation
  • Physics-aware motion for objects and liquids
  • Precise prompt adherence for complex scenes
  • Same speed as Gen-4
  • Control modes such as keyframes and video-to-video planned

Who it suits. Filmmakers, advertisers and creators who generate short video clips from prompts.

Key facts

Category
AI models
Part of
Runway
Made by
Runway
Based in
United States
Released
1 December 2025
How to get it
in the Runway web and mobile apps on Standard, Pro and Max plans, and through the Runway API
Works on
Web, iOS, Android, API
Free plan
125 one-time credits on the free plan
API price
Gen-4.5 costs 60 credits per 5 seconds on subscription plans; API price not checked

Pricing

PlanPriceBilled
Standard$12month, billed annually ($15 monthly)
Pro$28month, billed annually ($35 monthly)
Max$76month, billed annually ($95 monthly)

source

FAQ

When was Runway Gen-4.5 released?

Runway announced Gen-4.5 on 1 December 2025.

Is Runway Gen-4.5 free?

The free plan gives 125 one-time credits; regular use needs a paid plan from $12 a month billed annually.

How much video does a Standard plan make?

625 monthly credits, which Runway says is about 52 seconds of Gen-4.5 video.

Facts from the maker's own pages and the sources listed. Checked 2026-10-11.