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Runway Launches Gen-4.5, Outshining Google and OpenAI

12/2/2025

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Summary

Story summary

Runway, an AI startup, announced its Gen-4.5 text-to-video model and said it is gradually rolling out to users.
The company claims Gen-4.5 produces highly realistic visuals and outperforms Google and OpenAI.
Runway CEO Cristóbal Valenzuela credited focus and diligence for their success against larger companies.
The model excels in physics, human motion, and camera movements.
It also ranks first on the Video Arena leaderboard.

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Story summary

Runway, an AI startup, announced its Gen-4.5 text-to-video model and said it is gradually rolling out to users.
The company claims Gen-4.5 produces highly realistic visuals and outperforms Google and OpenAI.
Runway CEO Cristóbal Valenzuela credited focus and diligence for their success against larger companies.
The model excels in physics, human motion, and camera movements.
It also ranks first on the Video Arena leaderboard.