Post by Tim Sweeney on X

World models have huge advantages in vast knowledge of the world and ability to mash up varied content and styles. Engines have huge advantages in a stable representation of the world, reproducible simulation, and GPU and power efficient rendering.

418 likes48 repliesPosted Jan 30, 2026

View the original on X Written by Tim Sweeney. Captured Sep 4, 2026.

Remix this post

Your note

Private to you, and used when you remix this post.

Viral score

Based on absolute engagement — the platform doesn’t expose follower counts here, so large accounts score higher.

From likes, comments.

Why it worked

Short enough to read in full without expanding, which removes a step before the point lands.

The mechanics

Hook: Plain observation
Structure: Hook → Landing
Style: Conversational paragraphs at a steady pace.
Tone: plain, matter-of-fact
Written for: People building with AI

Analysis by ViralLoop — not written by the original author.

Topics

Posts built the same way

Attorney General Pamela Bondi

At my direction, early this morning federal agents arrested Don Lemon, Trahern Jeen Crews, Georgia Fort, and Jamael Lydell Lundy, in connection with the coordinated attack on Cities Church in St. Paul, Minnesota. More details soon.

120K likes

Ashok Kumar

For those confused why the US state and Silicon Valley are having a meltdown on twitter today. China released multiple AI models that are 50x more efficient than the best American AI models and made them open source, ruining the AI market

323K likes

Elon Musk

Universal HIGH INCOME via checks issued by the Federal government is the best way to deal with unemployment caused by AI. AI/robotics will produce goods & services far in excess of the increase in the money supply, so there will not be inflation.

190K likes

Sam Altman

I am very excited about AI, but to go off-script for a minute: I built an app with Codex last week. It was very fun. Then I started asking it for ideas for new features and at least a couple of them were better than I was thinking of. I felt a little useless and it was sad.

22K likes

jacksfilms

Hi! I'm one of the prompt writers that worked on this ad. It's a lot harder than people think! Prompts that my team used include: -make it funny -make it epic AND funny -funnier!!! Please be nice to my team as many of them will be laid off/replaced by AI

57K likes

Elon Musk

It’s patently absurd that Apple isn’t smart enough to make their own AI, yet is somehow capable of ensuring that OpenAI will protect your security & privacy! Apple has no clue what’s actually going on once they hand your data over to OpenAI. They’re selling you down the river.

273K likes

More from Tim Sweeney

Tim Sweeney

Is this the "fair competition" praised by recent articles? If a store with dominant market share taking a 30% cut can bully developers into not passing on savings to customers on competing stores with lower fees, then competition doesn't stand a chance.

933 likes

Tim Sweeney

Google is opening up Android all the way with robust support for competing stores, competing payments, and a better deal for all developers. So, we've settled all of our disputes worldwide. THANKS GOOGLE!

4.2K likes

Tim Sweeney

AI Darth Vader in Fortnite last year and now Gemini's pure world model show how fast AI is evolving. We'll see constant leapfrogging between engine centric AI and world model centric AI until they come together for maximum effect.

1.3K likes

Tim Sweeney

Justifiable costs? Likely $10's to $100's per app review, not a percentage of developer revenue. This is the beginning of true, untaxed competition in payments worldwide on iOS.

882 likes

Tim Sweeney

Big yikes: Google will confiscate, for itself, all profits made from AI content on YouTube. AI should be a tool for enhancing human creativity and opportunity. Now Google has made it plain that they see it solely as a means to take from creators for themselves.

1.3K likes

Tim Sweeney

The “small developer trade organization” con job that Apple funds to work against the interests of small developers is hosting an event. Get this — they have named it “AppCon”. A kernel of truth in a sea of lies!

454 likes