Runway on X: “Runway Gen-4.5 represents significant advancements in both pre-trainin…”

A fast, private reader for public X posts. No account, no tracking, no pop-ups.

PeekX is an independent tool and is not affiliated with, endorsed by or sponsored by X Corp. “X” and “Twitter” are trademarks of their respective owners. We only show posts that their authors made public and never access private or protected accounts. Downloaded media belongs to its creators — please respect their rights.

Runway on X: “Runway Gen-4.5 represents significant advancements in both pre-trainin…” | PeekX

Username or post link

Home / @runwayml / Post

Runway

@runwayml

Dec 1, 2025

Introducing our new frontier video model, Runway Gen-4.5. Previously known as Whisper Thunder (aka) David.

Gen-4.5 is state-of-the-art and sets a new standard for video generation motion quality, prompt adherence and visual fidelity.

Learn more below.

1:28

225 515 3.2K

Runway

@runwayml

Replying to @runwayml

Runway Gen-4.5 represents significant advancements in both pre-training data efficiency and post-training techniques for video models and serves as our new foundation model for world modeling.

Gen-4.5 scored 1,247 Elo points in the Artificial Analysis Text to Video leaderboard,

Dec 1, 2025, 2:01 PM UTC

18 279

Download media

Every quality X serves, straight from X's media CDN. No watermark, no wait.

OriginalBEST

Photo · 1920×1080

Save & share

Turn this post into a clean image, or copy it as text or Markdown.

Open on X