Josh You ✓

@justjoshinyou13

Researcher @EpochAIResearch. Views my own. 🔸

3 019Followers

1 586Following

29 277Posts total

99.9KViews on collected posts

Latest posts

Josh You ✓@justjoshinyou133 Sep

Yeah I think Greg may have just been referring to pre-training 1.6K views · 4 likes · 0 reposts · 0 replies Open on X →

Josh You ✓@justjoshinyou133 Sep

@justjoshinyou13 Very hard to tell RL could have been done in other places 4.1K views · 12 likes · 0 reposts · 0 replies Open on X →

Josh You ✓@justjoshinyou133 Sep

maybe something like >10% of their total compute and >20% of their non-inference compute (point-in-time) was allocated to this run 1.2K views · 10 likes · 0 reposts · 0 replies Open on X →

Josh You ✓@justjoshinyou133 Sep

Astra was probably trained on between 100k and 200k Blackwells. Our timeline of estimates below for Stargate Abilene, 100k GPUs = ~250k H100e. https://t.co/FnToGdnqzq https://t.co/jRsM3wd2sU

38.9K views · 107 likes · 3 reposts · 5 replies Open on X →

Josh You ✓@justjoshinyou133 Sep

OpenAI President Greg Brockman called Astra (GPT-6) a “generational leap” and suggested people may eventually look back on this release as the arrival of "artificial general intelligence (AGI)" The model was trained using more than 100,000 GPUs at its Stargate site in Texas. htt

54.2K views · 362 likes · 29 reposts · 11 replies Open on X →

Against accounts of the same size

5 posts from the last 90 days, next to the under 10K follower range. below its peers on both reach and engagement.

Median views4 057this account4 175median for under 10K

Reach, %134.38%this account250.82%median for under 10K

Engagement, %0.30%this account1.41%median for under 10K

Metric	This account	Median for under 10K	Ratio
Median views per post	4 057	4 175	0.97×
Reach (views ÷ followers)	134.38%	2.5× audience	0.54×
Engagement rate	0.30%	1.41%	0.21×

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

54.2K3 Sep

38.9K

1.2K

4.1K

1.6K

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

0.74%3 Sep

0.30%

0.82%

0.30%

0.25%

Reactions — likes, reposts, replies and quotes — divided by views. Median for under 10K accounts is 1.41%.

What the audience does

Likes77.6%495 in total

Reposts5.0%32 in total

Replies2.5%16 in total

Bookmarks14.9%95 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

Against accounts of the same size

Growth & engagement

Views per post

Engagement rate per post

What the audience does

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