Jim Fan ✓

@DrJimFan · Views my own. Contact → · joined 12 Dec 2012

NVIDIA Director of Robotics & Distinguished Scientist. Co-Lead of GEAR lab. Solving Physical AGI, one motor at a time. Stanford Ph.D. OpenAI's 1st intern.

587 342Followers

3 145Following

4 229Posts total

1.4MViews on collected posts

Ultimi post

Jim Fan ✓@DrJimFan4 Sep

Good old days at OpenAI in 2016: an agent stares at screen pixels, moves a mouse, and books a flight on United. We called it World of Bits, inside OpenAI Universe. 10 yrs later, Astra is reincarnated in the same universe. Even the naming is astronomically correct 😆 Universe was

0:20

66K views · 813 likes · 70 reposts · 84 replies Open on X →

Jim Fan ✓@DrJimFan21 Aug

The sense of touch is the most criminally under-explored modality in robotics. Imagine doing sleight of hand wearing thick oven mitts. That's exactly how a robot feels today if it were alive. A magnetic piece snapping into place, a paper cup peeling out of a stack, a USB https://

2:21

171.6K views · 895 likes · 126 reposts · 100 replies Open on X →

Jim Fan ✓@DrJimFan20 Aug

Seeing a hype wave around GEN-1.5, and rightfully so. Lots of respect to Pete & Andy for executing so well. The secret is in the naturally repetitive motions in human-collected data. There're 2 main sources for such repetitions: (1) Symmetric patterns. Sorting, tidying, and 78.8K views · 1.1K likes · 133 reposts · 47 replies Open on X →

Jim Fan ✓@DrJimFan24 Jul

Stay hungry, stay foolish. Absolute legend https://t.co/PMHyBdkxGT

108.1K views · 674 likes · 42 reposts · 48 replies Open on X →

Jim Fan ✓@DrJimFan8 May

@DrJimFan "I think our generation was born too late to explore the earth and too early to explore the stars. But we were born just in time to solve robotics." Thanks for another wonderful talk, @DrJimFan 6.3K views · 40 likes · 5 reposts · 3 replies Open on X →

Jim Fan ✓@DrJimFan8 May

Robotics: Endgame on YouTube https://t.co/X2IwZqw5IT 195.1K views · 228 likes · 22 reposts · 6 replies Open on X →

Jim Fan ✓@DrJimFan8 May

The Physical Turing Test, May 2025 at Sequoia AI Ascent https://t.co/mkjD4wr05d 38.7K views · 100 likes · 8 reposts · 7 replies Open on X →

Jim Fan ✓@DrJimFan8 May

I promise this will be the best 20 min you spend today! Robotics: Endgame, the sequel to my last year's Sequoia AI Ascent talk, "Physical Turing Test". I laid out the roadmap for solving Physical AGI as a simple parallel to the LLM success story. Be a good scientist, copy https:/

20:02

723.9K views · 3.8K likes · 589 reposts · 248 replies Open on X →

Rispetto ad account della stessa dimensione

3 post degli ultimi 90 giorni, accanto alla fascia di 100K–1M follower. arriva ben oltre il proprio pubblico, e quel pubblico reagisce.

Visualizzazioni mediane78 782questo account5 983mediana per 100K–1M

Copertura, %13.41%questo account1.49%mediana per 100K–1M

Interazione, %1.49%questo account0.93%mediana per 100K–1M

Metrica	Questo account	Mediana per 100K–1M	Rapporto
Visualizzazioni mediane per post	78 782	5 983	13.2×
Copertura (visualizzazioni ÷ follower)	13.41%	1.49%	9.00×
Tasso di interazione	1.49%	0.93%	1.60×

Altri account di questa fascia → Confronta con un altro account → Come sono costruiti questi parametri →

Growth & engagement

How the posts we collected actually performed: views and reaction rate post by post, what the audience did with them, and where the follower count goes.

Views per post

723.9K8 May

38.7K

195.1K

6.3K

108.1K24 Jul

78.8K20 Aug

171.6K21 Aug

66K4 Sep

Last 8 collected posts, oldest on the left. The scale is logarithmic: one post can outrun the rest a hundred times over.

Engagement rate per post

0.66%8 May

0.30%

0.13%

0.78%

0.71%24 Jul

1.67%20 Aug

0.67%21 Aug

1.49%4 Sep

Reactions — likes, reposts, replies and quotes — divided by views. Median for 100K–1M accounts is 0.93%.

What the audience does

Likes50.2%7 652 in total

Reposts6.5%995 in total

Replies3.6%543 in total

Quotes1.3%202 in total

Bookmarks38.3%5 838 in total

Share of every reaction we collected for this account. Replies mean argument, reposts mean endorsement, bookmarks mean the post was worth keeping.

The follower curve appears once this account has two daily snapshots — we take one a day, and this one is on its first.

Ultimi post

Rispetto ad account della stessa dimensione

Growth & engagement

Views per post

Engagement rate per post

What the audience does

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