Thomas Larsen ✓

@thlarsen

Researcher at AI Futures Project, coauthor on AI 2027 and lead author on AI 2040: Plan A

4 410Followers

357Following

205Posts total

2.4MViews on collected posts

Against accounts of the same size

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

Median views335 788this account6 244median for under 10K

Reach, %7614.24%this account415.20%median for under 10K

Engagement, %0.47%this account1.06%median for under 10K

Metric	This account	Median for under 10K	Ratio
Median views per post	335 788	6 244	53.8×
Reach (views ÷ followers)	76.1× audience	4.2× audience	18.3×
Engagement rate	0.47%	1.06%	0.44×

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

481.2K2 Sep

335.8K

5.3K

1.5M

8.5K

Last 5 collected posts, oldest on the left. The scale is logarithmic: one post can outrun the rest a hundred times over.

Engagement rate per post

0.18%2 Sep

0.47%

1.41%

0.47%

2.19%

Reactions — likes, reposts, replies and quotes — divided by views. Median for under 10K accounts is 1.06%.

What the audience does

Likes69.9%8 587 in total

Reposts5.7%701 in total

Replies3.0%370 in total

Quotes2.5%308 in total

Bookmarks18.9%2 318 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

Update: great news! The architecture is less bad than I assumed, it seems to be only a minor increase in the opaque serial depth. It's very important that AI companies don't venture further in this direction until we've got much better alignment / interp tools 8.5K views · 171 likes · 9 reposts · 6 replies 02 Sep 2026 I want to prevent a race into unmonitorability kicked off by confused reporting. The depth of the computation graph for our present frontier models, including Astra, is within a factor of two of GPT-4. OpenAI has worked to preserve and utilize chain-of-thought monitoring since 1.5M views · 6.3K likes · 500 reposts · 263 replies 02 Sep 2026 @thlarsen Just fucking advocate Plan S / a Pause already! This is insanity 5.3K views · 68 likes · 1 reposts · 5 replies 02 Sep 2026 Very bad if true. I previously thought that in a short timelines world, the most likely case was that (1) the AIs would be misaligned, but (2) we would get a lot of evidence about it from reading the COTs. This evidence would increase the chance of a reasonable response from http 335.8K views · 1.3K likes · 136 reposts · 59 replies 02 Sep 2026 new: OpenAI & others quietly using loop transformers that don't show their 'thinking' when scaled up a leap forward on performance, but sparking concerns inside & outside OpenAI re: security as this takes off https://t.co/rBVuez1wUK 481.2K views · 721 likes · 55 reposts · 37 replies 02 Sep 2026