RunwayML

Hi everyone!

Runway is back at it with Gen-4.5. The competition in the AI video space has been getting pretty intense lately, and we can definitely expect even more coming soon.

It’s now hitting #1 on the Artificial Analysis leaderboard (1,247 Elo score), but beyond the rankings, a few things stood out to me:

• Complex Instructions: It handles multi-step prompts (like specific camera moves + timing) much better now, rather than just generating a random pretty clip.

• Physics: They’ve focused heavily on realistic weight and momentum.

• Transparency: I really appreciate that Runway is open about the current limitations, like object permanence issues.

Also, they shared a short clip showing the evolution from Gen-1 to Gen-4.5. It’s wild to see the difference. It really shows how time flies and how far the boundaries of our imagination have been pushed in just two years. 🤯

It looks cool, maybe I missed it, but would be better if I could upload more than just one image.

This looks huge. I’ve been following the evolution of AI video closely, and each step has been exciting but not quite enough for real use in my own projects. Gen-4.5 seems like a different tier completely, especially with the motion realism and speed improvements. I’m genuinely excited to dive in, try some ambitious shots, and see how it holds up in real creative scenarios. Lots of ideas brewing already.

Maybe I'll create a full movie and premiere it in a theater. It's that realistic. :)
Really cool.

I’m not very technical, but the results look amazing. Is it easy for beginners to get good clips?

The video quality is excellent! I’m looking forward to being able to make entire movies using AI. That would be really cool.

Hoping for a price drop. It’s just too pricey at the moment.