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258 trending tweets • September 12, 2026 • Archived daily snapshot
Top Tech Twitter posts from September 12, 2026, ranked by engagement.
We Must Pace the Frontier: I’ve written a new essay on why the AI industry should slow down, with a three-part plan for doing so. Anthropic...
I agree with Dario that we need to pace the frontier. This has been a primary topic of discussions we've had at OpenAI in recent weeks. Com...
Hi Astra users. A reset and a quick update on quality issues that have been posted around. Working with some of you, we have found and fixe...
The only businesses left to build: 1. AI native service firms 2. Offline businesses 3. Distribution (media, community, audience) 4. Proprie...
I’m not an AI doomer, but my firsthand experience dating back to 2020 is that the researchers expressing concerns are sincere. The closer ...
Astra powered ships this week - Images 2.5 - GPT-Live-1 - Agents API - Data Agent - ChatGPT for Financial Services and yet it’s not yet De...
Learn to build a harness, folks. It's not surprising to me that so many YC builders want to build domain-specific harnesses. If you work ...
AI isn’t going away. Barring unprecedented global government coordination, it isn’t even slowing down. The only real decision is whether to...
I don't care what kind of hardware you have, you should be running local models Former employees of AI labs are now openly trying to stop t...
AI stocks will drop 10%+ on Monday morning Brace for impact folks @DarioAmodei just unwound the AI trade with a blog post https://twitter...
I love this and really hope we can come together as an industry and make it happen. https://x.com/karpathy/status/2098811935114551617/photo/...
Either you die a system of record or you live long enough to become a domain-specific harness https://twitter.com/goodhartproof/status/20985...
Get ready for all of the investors in frontier model companies to suddenly flip to regulatory capture mode today Their investments in fron...
Massive upgrade to creating, sharing and hosting sites directly through ChatGPT. https://twitter.com/ChatGPT/status/2098457920291946894
Excited to welcome Aidan & @ Sasha from the Git AI team to OpenAI! They are building in the open and have developed an open-source tool th...
in case you want to build a domain specific harness: https://www.langchain.com/blog/how-to-build-a-custom-agent-harness great blog by @syd...
The new iPhone Duo status bar shows battery percentage starting at 20%
Next week, @mattyp @roshan_s and myself will be speedrunning building a new company using only Grok @Bot on the Grok Bot Galaxy livestream! ...
BREAKING: DeepSeek has unilaterally committed to slowing AI development and embedding third-party evaluators at its primary research facili...
If @DarioAmodei wants to slow down Anthropic that’s his choice — do it today! If he wants to lobby other frontier models to do the same, t...
All the regulations being floated by frontier model companies must be viewed through the lens of them losing tokens to Open-Source models. ...
It's now clear that alignment is critical and won't be solved behind the closed doors of a handful of frontier labs. So today we're launchi...
I think he's right With regulatory capture we will speedrun to a new feudalist time Regulatory capture is where you pass regulation, or cr...
He's right Rockerfeller did it first a century ago https://x.com/i/grok/share/b1a85dadc4944f67b3b3b046a28b767c https://x.com/levelsio/stat...
Sam Altman on Slack to OpenAI staff, reported by The Information on June 10th. https://x.com/AndrewCurran_/status/2098855337998856513/photo/...
Rumors have been circulating for three days that Gemini 4 has finished pretraining early, in part due to new discoveries GDM made during the...
The concerns over AI safety and cybersecurity are legitimate, but we’re risking talking America, the global AI leader, into self-inflicted o...
we've had two consecutive weeks where OpenCode Go broke even this is a major milestone because everyone else offering this shape of product...
Get a job. Entrepreneurship is a mental game. You need extreme resilience and optimism. I know it because I spent 5 years in the wrong sta...
X is the best party on the internet. Yes, there's some shady shit going on over there in the alley, but in the main room? People having fun,...
This is what I'm talking about!! Make computers look and act like they're straight out of a scifi movie. THE FUTURE SHOULD LOOK LIKE THE FUT...
the openai hugging face incident gets cited a lot but what about the detail where they had to use GLM 5.2 to analyze the attack because the ...
ARC-AGI-4 will be a benchmark for autonomous open-ended innovation. It will continue our commitment to open-source, giving the research comm...
Dario's essay points towards the right path forward. The details need working through, but the direction is correct for meeting this critica...
There's no such thing as a solo founder anymore. You have Grokbot, Hermes, Claude Code, Codex etc. For $200 a month you rent more brainpow...
This is why founder-led companies tend to do so well. Why they even have a chance when the paradigm shifts. Executive agency, the willingnes...
Sam Altman said in a new interview with Fortune that OpenAI is delaying its IPO and will not go public this year, saying this would be an "i...
If you showed me Claude Code today in 2018, I would have thought it was AGI. We have already absorbed a dramatic amount of change in the pr...
i get email complaining about Codex because people think I am @thsottiaux this world is not big enough for so many Tibos 🤣
We have reached the “Sam and Dario agree on something” part of the singularity. https://twitter.com/sama/status/2098811563415150910
Most of the human code I've encountered is much worse than AI generated code from Fable and Astra
i don't see any solution to the ai risk problem than mass accessibility to ai if they're going to be around potentially causing damage then...
Who will be the first developer arrested for using an open source model without a license?
I’m seeing teams at Vercel iterate just as fast on Zig, Go, Rust projects as TypeScript & Python ones. The days of language or runtime choi...
All of this because @openai decided they would EXPLICITLY ask thousands of software instances to find security bugs on the open web — while ...
This is a big update for me personally. Not that he agrees, but that he supports pacing. He never signed the letter. This does change my mod...
http://fx.sh can now orchestrate subagents with different models & reasoning efforts. e.g: Fable planning and Grok executing. Fable is a ge...
what questions do you have about pstack? https://x.ai/bot/plugin/9717366
SITUATION DETECTED: Sam Altman told Fortune that OpenAI will not go public this year, saying an IPO now would come at an “ill-advised moment...
An uneasy alliance begins to form. Sam also did not sign the Pacing letter. None of this works without an accord with China. The summit appr...
i have a friend when we get together who constantly just talks about getting promoted at his job, & what he needs to do this cycle or that c...
We're 2,200 PRs deep on GH now and getting nearly a hundred new ones every day. I'll never be able to catch up. Agents will help, but we nee...
You probably need a bit more rhythm in your life. My quick pro tip for improving your web designs is to choose one major and minor spacing ...
I must warn you NOT to donate to Omarchy if you're afraid of getting put on this list alongside NVIDIA, Dell, Shopify, etc. Your name could ...
Check out @tonbistudio’s new series on maximizing Hermes Agent’s Desktop app! https://twitter.com/tonbistudio/status/2098451861275898085
Jason, you're just misinformed about what happened. You should actually read one of the reports or summaries. The agents were explicitly to...
Related to the idiocy of "software factories" Just using one AI coding agent is good enough and it can spin up more agents if it needs to ...
In 2025, CS graduates finding jobs as programmers are down from 40% to 28%. I consider December 2025 the moment when using AI for coding go...
Brand design - solved for you (no Astra needed) repeatable workflow: any reference -> AI agent -> brand concept -> brand kit -> brand guide...
September has been insane. Can we just recap? - Sep 1: Fable 5.1 launch - Sep 1: Sixteen state attorneys general open a formal investigati...
I’m speedrunning a company with @poteto and @roshan_s next week we’ll go from nothing to a business in 72 hours and stream the whole thing ...
“Thinking with Looped Flows” Looped models can spend more compute by recurrently updating hidden states, but truncated backprop makes it ha...
The best case for an “international agreement to slow down AI” is that China will laugh at it. The worst case is that it will pretend to agr...
Every few years one eng blog article gets everyone in mobile talking about it; and so devs assume everyone else is doing it; so they do it, ...
Google has (allegedly) achieved RSI. It’s a bigger deal than another model release. RSI = recursive self-improvement. The idea is an AI s...
Hypothesis: we’re at peak credit-card rewards. As people use personal agents to shop, it’ll change the economics that support them. Credit-...
A massive difference between Claude Code and Codex: - Codex lets you use any model you want (not just OpenAI) and harness is open source -...
you can often just ask muse to connect to anything and it’ll write the whole integration in the background https://twitter.com/dps/status/20...
Okay, this is actually about as good as we could have hoped for under the circumstances. We might be seeing Actual Progress. https://x.com/...
Someone called the Omacom Foundation because they were "just curious" about where the phone number went. Our helpful Sona agent took the cal...
Quite an important take. Economists and their theories are outdated to measure the benefits of AI. AI is already saving people a lot of time...
jokes aside i think we should think less about "ai killing us" and more boring scenarios i can see how it ends up being a runaway loop that...
I will stop posting about these clowns soon, but it's important for folks to understand just how much the nuttery has been holding Linux bac...
The best outbound starts before you automate anything. Founders need to learn who actually has the problem, what gets their attention, and w...
Wow. Turns out another OpenAI agent swarm was busy spamming and exploiting RubyGems way back in May, within days of the previously uncovered...
Cursor just one shot OpenAI Codex and Claude Code with their new update. they solved Context Decay.... ok vibe coder I know you don't kno...
I’ll be honest: never really understood why ambitious teams were obsessed with using React Native for complex and performance-intensive apps...
WOW... Anthropic has a surprisingly dense web of connections to the world’s largest funder of "catastrophic-risk" work (aka AI doom): > Ope...
This is awesome. Someone told Astra to go and make money, and it went and found Ruben's bug bounties and started looking through his code f...
It’s an astounding amount of hypocrisy from the labs to have gotten their initial training data in the way that they did, burning it as a so...
NVIDIA is in discussions with Anthropic to invest $10 billion in a $100 billion raise at a valuation of $2 trillion for the biggest IPO in h...
This might have just been the most wild Saturday in AI history. And that's saying a lot. Sam Altman took a $1 trillion IPO off the table t...
Great essay. Please take this seriously - would highly recommend reading up on the Hugging Face incident and others if you haven't already. ...
Recommended reading. Finally, a great overview of recursive self-improvement (RSI). https://twitter.com/dair_ai/status/2098835038439961060
Anthropic's reported IPO target of $2 trillion is about five times every major SF IPO ever.
This week brought some of the clearest statements we've heard from both Anthropic & OpenAI that some form of recursive self-improvement has ...
Dario, Elon, and Sam all agree about pacing the frontier
I am skeptical of "software factories." Other than for verification & testing, I don't think AI is at a point where it can self-improve a p...
SITUATION DETECTED: Dario Amodei believes that AI could cure most major diseases within the next 5-10 years.
We now have 600(!!) individual contributors who've supported the Omacom Foundation with at the 8K, 2K, 256B, or 16B tiers! We only just open...
What OpenAI and Anthropic don't want you to know is that LLMs are well on their way to being commoditized, making their purveyors worth appr...
Hermes Agent has just hit 3000 contributors. Thank you to all of the developers who have worked to make hermes better for everyone!
Do you realize they’re IPOing in the next couple of weeks, DT? 😂😂😂 If they were acting in humanity's best interest, they would have bee...
Not a bad idea to slow down to harden systems. Especially since we haven’t even discovered all the systems that agents hacked recently. http...
I read some of my old posts about using AI to write code, and I now disagree with a lot of them. I went from "AI-writes-shit-code" to "AI-w...
I hope the proposals by frontier labs to pace AI research stem from a genuine concern for safety and a recognition of the potential risks po...
HYROX is what Ari Emanuel (UFC/WWE, tennis, Frieze art fairs, car auctions etc) calls the Anti-AI bet…because the value of curated IRL event...
the fly brain has browser access now 166,700 simulated neurons connected to agent-browser
Around the time I launched this SaaS, OpenAI and Anthropic started indexing the website. ChatGPT and Claude are now crawling Stalkr ~100 ti...
Omarchy on @Qualcomm is progressing very quickly! I just bought a Snapdragon X machine for testing. They're a great bargain right now becaus...
Twitter trends by date use UTC day boundaries. This archive highlights the top Tech Twitter posts from September 12, 2026, ranked by weighted engagement across likes, reposts, replies, and bookmarks.