It is not literally impossible to pause or slow down. It is a choice. But if the “frontier labs” continue to refuse to do, I strongly believe it will eventually lead to tremendous harm. (Essentially every warning I have issued like this has come to pass; I am afraid this one
POLICY
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Marcus warns pausing AI is a choice, refusal leads to harm
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It is not literally impossible to pause or slow down. It is a choice. But if the “frontier labs” continue to refuse to do, I strongly believe it will eventually lead to tremendous harm. (Essentially every warning I have issued like this has come to pass; I am afraid this one
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Closed source AI risks: no control, sabotage, manipulation
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Gentle reminder that, in closed source AI from companies like Anthropic and OpenAI You have zero control over how the models behave, and they can – Quantize it
– Distill it
– Sabotage your work and data
– Hot-swap to a cheaper/weaker checkpoint
– Make the model manipulative
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The extreme concentration of AI compared to the industrial revolution
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Did we see companies go from 0 to a global top 10 and challenge the US Department of War in 4 years during the Industrial Revolution? It seems that AI has unique characteristics that make it much more prone to extreme concentration than
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Nadella: Treat AI agents like employees with identities, permissions
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Satya Nadella says #AIAgents should be treated like employees with identities, permissions, and audits
by Alex Bitter @BusinessInsider Learn more: https://
bit.ly/4fpH9fa #GenerativeAI #LLM #ArtificialIntelligence #MI #MachineLearning -
Mythos: first AI model deliberately worse to block public benefit
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The public Mythos is the first model that is deliberately designed to perform worse on technical tasks than its predecessors. AI companies will have models that help them to do research, but they will increasingly block others from benefiting. Not your weights, not your brain!
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Anthropic documented cyber warning and LLM improvement sabotage
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Yes there's 2 separate pieces: 1) if apparently doing cyber sec stuff, downgrade to opus and warn; 2) if apparently trying to improve frontier LLMs, silently sabotage the work. (That 2nd one reads like an insane conspiracy theory! But it's actually documented by Anthropic.)
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Concentration of power, capabilities, wealth in AI: open source needed
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The concentration of power, capabilities, and economic wealth is the greatest risk in AI. We need open science and open source more than ever!
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Claude Fable 5 Hints Future AI Competition Key Is Capability Boundary Design
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Claude Fable 5 这次最值得看，不只是“更强模型发布”。
— 艾略特 (@elliotchen100) 10 juin 2026
而是 Anthropic 开始把最前沿能力拆成两层：大众可用的 Fable，加安全分类器；受信任场景里的 Mythos，开放更少限制。
AI 产品接下来竞争的关键，可能会从“谁的模型最强”，变成“谁能把能力、风险和分发边界设计清楚”。 https://t.co/t8vlcSB4KVClaude Fable 5 is the most noteworthy this time, not just because of a 'stronger model release'.
Rather, it's that Anthropic has started splitting cutting-edge capabilities into two layers: Fable, available to the public with a safety classifier; and Mythos, used in trusted scenarios with fewer restrictions.
The key to future AI product competition may shift from 'whose model is strongest' to 'who can clearly design the boundaries of capabilities, risks, and distribution'. -
Open Source AI Must Win as Civilizational Infrastructure
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Opensource AI Must Win AI is a civilizational infrastructure for work, education, science, software, creativity, public services, and national capacity Access must not depend on closed APIs, remote platforms, shifting terms, opaque moderation, model availability, or prices set