Mark Chen ✓

@markchen90 · joined 17 Jun 2020

Chief Research Officer at @OpenAI. Coach for the USA IOI Team.

77 995Followers

358Following

459Posts total

1.4MViews on collected posts

Ultimi post

Mark Chen ✓@markchen903 Sep

@markchen90 Congrats my friend! To you and to the whole team. 2.7K views · 38 likes · 1 reposts · 1 replies Open on X →

Mark Chen ✓@markchen903 Sep

@markchen90 Really its here? Where? Where is it exactly, dont be that guy. Dont say its here when it is only there for a select few. Be better than that, read the room, or at least ask somebody outside of OAI to read the room since none of you seem to be able to, just like @sama 2.1K views · 20 likes · 0 reposts · 0 replies Open on X →

Mark Chen ✓@markchen903 Sep

@markchen90 but not for normal people yet. So it's not here yet. 1.3K views · 15 likes · 0 reposts · 0 replies Open on X →

Mark Chen ✓@markchen903 Sep

GPT-6 Astra is here! This is a big moment for our research team - years of work on pretraining, reinforcement learning, and post-training have come together in our most capable and aligned model yet. It can build and test software, work across apps on your computer, and even help 598.1K views · 2.5K likes · 162 reposts · 109 replies Open on X →

Mark Chen ✓@markchen9018 Aug

Many of our strongest researchers are choosing to focus on alignment, but we're also hiring! If you want to work at a frontier lab which takes alignment seriously and doesn't pretend it's solved, please apply. 48.8K views · 389 likes · 24 reposts · 14 replies Open on X →

Mark Chen ✓@markchen9018 Aug

These are incredibly misleading headlines – @OpenAI Preparedness is very much alive and well by any meaningful definition Our subteam – RSI/misalignment Preparedness – is doing more urgent work than ever, and has never been more empowered to do so! 126.7K views · 390 likes · 28 reposts · 15 replies Open on X →

Mark Chen ✓@markchen9017 Aug

We’re excited to go big with NVIDIA and sign up for 4+ GW of capacity. This is the scale frontier training demands! 125.5K views · 788 likes · 39 reposts · 24 replies Open on X →

Mark Chen ✓@markchen9030 Jul

Another step towards intelligence too cheap to meter! 18.7K views · 266 likes · 8 reposts · 14 replies Open on X →

Mark Chen ✓@markchen9017 Sep 2025

We wrapped up this year's competition circuit with a full score on the ICPC, after achieving 6th in the IOI, a gold medal at the IMO, and 2nd in the AtCoder Heuristic contest! 518.1K views · 809 likes · 42 reposts · 34 replies Open on X →

Rispetto ad account della stessa dimensione

7 post degli ultimi 90 giorni, accanto alla fascia di 10K–100K follower. arriva a molti, ma pochi di loro reagiscono.

Visualizzazioni mediane48 805questo account924mediana per 10K–100K

Copertura, %62.57%questo account3.62%mediana per 10K–100K

Interazione, %0.88%questo account1.52%mediana per 10K–100K

Metrica	Questo account	Mediana per 10K–100K	Rapporto
Visualizzazioni mediane per post	48 805	924	52.8×
Copertura (visualizzazioni ÷ follower)	62.57%	3.62%	17.3×
Tasso di interazione	0.88%	1.52%	0.58×

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.