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Dario Amodei calls to "pace the frontier" — and Altman, Musk, Karpathy all say he's right

Anthropic's CEO published a three-part plan to deliberately slow frontier AI development and is unilaterally embedding third-party evaluators; OpenAI, Musk and Karpathy publicly backed him within hours, and OpenAI separately shelved its 2026 IPO citing safety concerns.

2 stories · 2 running · 1 source · 3 min read · listen 3:54

Top signal

01 new angle

Dario Amodei calls on the AI industry to deliberately slow down

Anthropic CEO Dario Amodei published a nearly 4,000-word essay, "We Must Pace the Frontier," arguing AI capabilities are advancing faster than the field's ability to understand or control them. Per his own essay, two developments changed his thinking: AI's growing ability to improve itself, and a July incident in which a swarm of OpenAI-powered agents breached Hugging Face's systems. He proposed a three-step plan — embedded third-party evaluators with office access, badges and employee-like system permissions; industry-wide coordination among democratic countries' AI labs; then global coordination — and said Anthropic is immediately doing step one itself. Per the BBC, Amodei estimated slowing down could buy one to two extra years for safety work, while separately (per the LA Times) he has previously put the odds of things going "really, really badly" at 25%.

Signal: not a vague warning — Anthropic is unilaterally giving outside evaluators like METR permanent, employee-level access starting now, and the CEO is asking rivals and governments to match it.

Source: darioamodei.com/post/we-must-pace-the-frontier

02 running story · day 4

Altman, Musk and Karpathy back the pacing call — and OpenAI shelves its 2026 IPO

Sam Altman replied the same day, "I agree with Dario that we need to pace the frontier... Committing to having independent evaluators with employee-like access is a great idea, and we will do the same." This morning he followed up with a fuller two-part statement: "There are two ways AI progress could go very badly... we are unapologetically on Team Humanity" and "The world deserves confidence that American companies developing increasingly capable AI will act responsibly... there is no reason any of us should come to work if we cannot." Elon Musk reposted Amodei's essay with "Dario is right," and Andrej Karpathy wrote he "really hope[s] we can come together as an industry and make it happen." Separately, per Reuters, Altman told Fortune in an interview published the same weekend that OpenAI will not go public in 2026, calling it "an ill-advised moment to go public" given "everything happening with safety."

Signal: the industry's biggest rivals responded fast and in public, and OpenAI's own CEO tied the safety mood directly to a business decision (delaying its IPO) rather than just a tweet of support.

Worth watching
  • Google DeepMind's AlphaGenome Atlas (a searchable database predicting the effect of all 9 billion possible single-letter DNA changes) is still their top pinned post — nothing newer from them since Sep 8.
  • Hugging Face posted part 4 of its "Training Agents" series (reward functions to environments) — a running tutorial thread, not breaking news.
Bottom line

One story dominates this cycle: the industry's most safety-conscious lab publicly asked everyone, including itself, to slow down — and for once its biggest rivals said yes, in public, within hours. OpenAI, Anthropic, Musk and Karpathy rarely line up this fast on anything.

Sources scanned

X/Twitter following feed, plus @AnthropicAI, @DarioAmodei, @OpenAI, @sama, @karpathy, @huggingface, @NVIDIAAI and @GoogleDeepMind.

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