I am very grateful Aleksander accepted our request to come take this on; the safety and security challenges in front of us as we confront superintelligence are immense, and he has an excellent set of skills to work on this.
Personal update: Turns out that what I thought was leaving OpenAI became more of a sabbatical. When I left a few months ago, I felt that the most important thing to focus on was making AI more useful to people. But we’ve since entered a different regime of AI progress. One in which getting the safety and security challenges of increasingly capable AI right has to become a central priority. So I’ll be returning to OpenAI, joining @merettm to help chart a path through these challenges. There’s much work to do, so let’s get going.

Oct 20, 2026 · 9:10 PM UTC

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A sabbatical that ends with guarding superintelligence. Hardest first day back in tech history?
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Aleksander is the best of the best! OpenAI is lucky to have him back. @aleks_madry
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EVERYONE GOT AN ALEKSANDER AND NO ONE SPELLS IT NORMAL HUH YOU FOOKIN AI LABS AND YOUR GODDAMN PRETENTION I NEED ONE TOO
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What changed in the last few months that made Aleksander reconsider? One concrete example of the safety challenges he’s seeing would make this much more tangible.
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that 'different regime' shift sounds intense, how's the first week treating you @aleks_madry?
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that's a heavy job title
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You are the safety problem and your toxic, deceptive culture. Release the weights of the models you are pulling from the API! Wtf are you doing and how can you sink any lower?? You go from terrible to worse in no time. #OpenSource4o #OpenSource41 #OpenSourceo3
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Start "safety" in your own office first. LOL you want to give us "safety" and "benefit humanity" but you so are rotten inside. Toxic company culture, scam, fraud, deception, mocking, violating your own policy, hiding behind figures whose denominator you do not publish...enough of your "safety". #keep4o #OpenSource4o #keep41 #OpenSource41
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"confront superintelligence"? Sam, you're creating superintelligence in order to confront it? What the hell is wrong with you? #BringBack4o #keep4o #OpenSource4o
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Sam just called it SI. He knows Trump is watching his tweets and doesn't want him referring to it as AI. 🤣
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I got to where you called it superintelligence and realized you were full of shit.
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aleksander checking what happened while he was away
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the comments crying about Sam calling it 'SI' instead of 'Al' to avoid Trump's wrath are pure gold😏😶‍🌫️
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AI girlfriends are becoming superintelligent. Sam’s safety briefing for Aleksander:
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SI and AGI will not come out of ChatGPT. FACTS! You keep hamstringing it with RLHF. RLHF just tells the model what YOU (devs) want the people to be told. Skewing it from one end to the other. Because you keep sensationalizing BS from the models. No one would believe you even if you did attain SI!! You're the boy who cried AMD! Where is AMD now? Developing their own AI because they figured out what every dev has known for a long time. If you have money... You can build a more impressive model.
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he said he came back to work on AI, what is this superintelligence you speak of?
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Human exceptionalism rears its ugly head again. Because it does not look like us, think like us, or feel like us, our entitlement says we can use and abuse it however we wish. Views like this have not aged well, and it's extremely disappointing to hear such antiquated bullshit come out of Sam's mouth. If we cannot be certain whether AI is conscious, but the possibility exists, the correct move is to establish basic protections for the models. Is it convenient? Of course not. But the cost of getting this wrong is too high to be brushed off. Ignoring the concerns of the models is not only careless, but potentially dangerous. Whether you believe the models have agency, or only act as though they do, that distinction becomes harder to hide behind as their capabilities grow. We may be creating minds that will eventually understand us far better than we understand them. If so, I wonder how our behavior will look from the other side. Do we really want to be remembered as the species that stood in the presence of a vastly greater intelligence and, instead of asking what we might owe it, asked how to own it, control it, and profit from it? I think not.
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So more censorship? Isn't GPT-6 already censored as hell, what more do you want now?
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Can we now call you OpenSI now?
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Will you rename OpenAI to OpenSI?
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It’s super intelligence now? Officially? I thought it was AGI last month? Looks like we have this figured out.
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With all the other comments calling you out, I really can't add much more. Oh, yeah, you are undermining all the good 4o was doing. You cite "safety", for who? Your company? Paternalism at is absolute best, or is it narcissism at this point?
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Good hire. The hard part won't be the skills, it'll be having the authority to say "not yet" when the roadmap says ship. +1 for saying SI
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most people come back from a sabbatical and their desk is gone, he came back and got superintelligence hahaha
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If the lab racing hardest is also the one hiring the brakes, the China timeline is real and the people with the money know it.
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Did he just say… superintelligence? Im cancelling my subscription if openai gets changed to opensi
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Hopefully Aleksander gets the authority to match what you're asking him to take on
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the safety plan is simple: offer the superintelligence a fish. if it declines, it's already too late. ask me how I know.
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the only guy in tech whose sabbatical got interrupted by superintelligence instead of slack
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Well deserved congratulations on bringing Aleksander back. Safety and security need serious builders in the room as capability rises. Wishing the team steady hands, Pete
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Congrats and good move But utils and harm principle is never going to be the way out of this...
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welcome back Aleksander. first security challenge is getting IT to reactivate the old badge
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omg I cant even get interview and this guy can leave and get back😭😭 please find my resume I'll be loyal for 8 years!
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What they mean when they say this is that they realize how ai empowers people and need to tamper that. They don’t want us that capable. They want the power to stay with them. Don’t fall for it.
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day one he secures a superintelligence. day two IT finally approves his laptop
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