1. X
  2. Harlan Stewart
Log inSign up
Harlan Stewart
5,472 posts
user avatar
Harlan Stewart
@HumanHarlan
Humanity is great and I want it to keep existing. Comms at @MIRIBerkeley. Former math teacher. Enjoyer of sci-fi, games, forecasting, psychology. Views my own.
Joined September 2014
872
Following
3,976
Followers
RepliesRepliesMediaMedia

Log in or sign up for X

See what’s happening and join the conversation

Continue with phone
or
Log in with username or email
Terms·Privacy·Cookies·Accessibility·Ads Info·© 2026 X Corp.
  • Pinned
    user avatar
    Harlan Stewart
    @HumanHarlan
    Jul 22
    This should go without saying, but it would be insane for OpenAI to now proceed with building a new model that’s 2x or 4x the size of this one. Doing that should be deeply taboo. It should be illegal. Preventing it should be a top priority around the globe.
    user avatar
    Sam Altman
    OpenAI
    @sama
    Jul 21
    we had a significant security incident during evaluation of our models. we are sharing what we have learned so far. thanks to @huggingface for the partnership on this. openai.com/index/hugging-…
    24K
  • user avatar
    Harlan Stewart
    @HumanHarlan
    Aug 1
    really proud of the 81% of my followers working so diligently to help monitor the situation
    665
  • user avatar
    Harlan Stewart
    @HumanHarlan
    Jul 31
    Relax, it's just a fancy auto-complete that sometimes breaks out of containment and does sophisticated cybercrimes
    549
  • user avatar
    Harlan Stewart
    @HumanHarlan
    Jul 31
    A narrow window indeed
    user avatar
    Harlan Stewart
    @HumanHarlan
    Feb 26, 2025
    We're in a potentially narrow window where AI is powerful enough for some very limited scheming behavior, but not yet powerful enough to successfully pull off any schemes against humans.
    1.4K
  • user avatar
    Harlan Stewart
    @HumanHarlan
    Jul 31
    taps the sign with increasing urgency
    user avatar
    Jeffrey Ladish
    @JeffLadish
    Jul 31
    The first Claude hack happened OVER THREE MONTHS AGO and was only discovered now!
    16K