Ethan He

speaker

722 appearances 1 recordings 1 series first heard Jun 2026 last heard 1 Jun

Ethan He’s voice in public audio — every appearance, attributed to the second.

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Recordings per month over the last 12 months — 1 in all, peaking in Jun 2026 with 1.

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There were no infra, no data, and no model.

And just a few engineers, we built it in three months and released the first model, Grok Imagine 0.9.

And since then, I keep working on video models and move more from pre-training and to post-training of the video models.

For example, like reference to videos, kind of like the cameo feature and video extensions.

And before I left, I worked on a work model, leading a small team to focus on the real-time long-horizontal video generation.

Yeah, one thing I say thanks to my experience at NVIDIA, because first time...

When we were building Cosmos together, we built it for about a year.

So this is like the second time I do it.

Roughly have an idea like what to do.

I say the most important thing is a talent.

Everyone were very strong and collaborate very close with each other towards a common goal.

So that speed up things a lot.

So you reduce the communication bandwidth among people and everyone can work towards the same goal.

It's like every day there's not that much meetings on the calendar, like maybe like a sync a day.

And after that, it's just all building.

It was pretty fun at that time.

And another thing is that XAI has very strong

foundations of data, data inference, model inference.

And the supporting there can help the model develop a lot.

When I look at training models, I don't... So actually, the top important thing is how many

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