Sebastien Bubeck ✓

@SebastienBubeck · Seattle, WA · joined 01 Jan 2012

I work on AI at OpenAI. Former VP AI and Distinguished Scientist at Microsoft.

83 986Followers

1 500Following

2 424Posts total

13.8MViews on collected posts

Against accounts of the same size

7 posts from the last 90 days, next to the 10K–100K follower range. shown widely, but few of those viewers react.

Median views292 499this account3 808median for 10K–100K

Reach, %348.27%this account12.23%median for 10K–100K

Engagement, %0.56%this account1.37%median for 10K–100K

Metric	This account	Median for 10K–100K	Ratio
Median views per post	292 499	3 808	76.8×
Reach (views ÷ followers)	3.5× audience	12.23%	28.5×
Engagement rate	0.56%	1.37%	0.41×

Others in this range → Compare with another account → How these benchmarks are built →

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

7.3M20 Aug

2.3M6 Aug

54.8K7 Aug

669.9K12 Aug

46.9K13 Aug

3M17 Aug

292.5K

61.1K3 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

0.14%20 Aug

0.19%6 Aug

0.59%7 Aug

0.56%12 Aug

0.76%13 Aug

0.52%17 Aug

0.33%

1.15%3 Sep

Reactions — likes, reposts, replies and quotes — divided by views. Median for 10K–100K accounts is 1.37%.

What the audience does

Likes67.4%29 818 in total

Reposts6.2%2 738 in total

Replies5.4%2 379 in total

Quotes2.7%1 181 in total

Bookmarks18.3%8 116 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.

Latest posts

Meet Astra's TikZ unicorn. I find it mind blowing that a single entity can do this, as well as get essentially 100% on Frontier Math Tier 4, ARC-AGI 3, & ExploitBench. And it's not behind closed doors, anyone can just go and talk to it. Impossible to overstate the implicatio 61.1K views · 557 likes · 37 reposts · 80 replies 03 Sep 2026 Astra?! 👀 292.5K views · 901 likes · 22 reposts · 20 replies 17 Aug 2026 Codex ✅ Almost 100% reliable ✅ Occasional resets ✅ Open-source ✅ (will have Astra) https://t.co/DxNdAgpag5 3M views · 13.2K likes · 414 reposts · 1.7K replies 17 Aug 2026 This is amazing on so many levels, including the fact that I spent a week trying to solve this problem back in 2012 😅 46.9K views · 317 likes · 27 reposts · 10 replies 13 Aug 2026 Latest crazy story from the frontiers of math and AI -- a neurosurgery resident, with no training in advanced math, uses ChatGPT 5.6 to solve a major open problem in numerical linear algebra. https://t.co/xckiv4TCFc https://t.co/71ogXtzU9g 669.9K views · 3.1K likes · 497 reposts · 102 replies 12 Aug 2026 Anyone tangentially interested in AI should watch this talk. It gives a really good picture of what models today are capable of and what are the challenges we have to overcome. 54.8K views · 292 likes · 20 reposts · 8 replies 07 Aug 2026 Yesterday, my OpenAI collaborator and I gave a detailed talk on the Huggingface incident, our models creating "the message board", model misalignment, and more. https://t.co/YmvSsxmX3H I hope it can answer a lot of the questions folks have, and we will release a full detailed 2.3M views · 3.4K likes · 499 reposts · 179 replies 06 Aug 2026 Claim: gpt-5-pro can prove new interesting mathematics. Proof: I took a convex optimization paper with a clean open problem in it and asked gpt-5-pro to work on it. It proved a better bound than what is in the paper, and I checked the proof it's correct. Details below. https:// 7.3M views · 8K likes · 1.2K reposts · 308 replies 20 Aug 2025