Prática de Shadowing: One man just liberated Fable... and now it’s illegal - Aprenda a falar inglês com vídeo
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Over the weekend, something crazy happened.
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Just three days after the release of Claude Fable, the US government stepped in and curb stomped it in the name of national security.
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And that's bad news if you just FOMO subscribe to Claude Pro to try out Fable, because now you'll see this disappointing message if you try to use it,
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and instead be forced to use the negative IQ Opus 4.8.
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But it's all for your own good, because it only took someone a few hours to jailbreak Fable and turn it into an unstoppable cyberweapon.
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And that's pretty ironic, because here in the land of the free, an American company that will not stop talking about AI safety just got safetied by its own government.
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In today's video, we'll find out how
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and why our dear leaders in government are keeping us safe from the horrors of linear algebra.
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It is June 15th, 2026, and you're watching the Code Report.
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About two months ago, on April 7th, we were first introduced to Mythos 5, the raw, unmuzzled model with the strongest cybersecurity capabilities of anything out there.
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But it was locked behind a program called Glasswing, only available to trusted partners, like major corporations and the US government itself.
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The reason Mythos can't be given to normies though, is because it could easily be used as a cyber weapon in the wrong hands.
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To prevent that, Anthropic created a different product called Fable 5, which is literally the same exact model, but with safety classifiers bolted on.
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That means if you ask it to do bad things, like create an NPM package that turns the banking system into a Minecraft server,
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Fable's guardrails will reroute your request to Opus 4.8, for a dumber, more wholesome response.
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So basically, Mythos and Fable have the same brain, but Fable has a child lock on it.
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Fable went public and gained hundreds of millions of users overnight, and it was awesome.
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It was by far the best coding AI model I've ever used, and people were building all sorts of crazy apps with it.
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Life was good for about three days.
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Then, of course, an anonymous internet user who goes by PlinyTheLiberator defeats the guardrails and jailbreaks it.
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He's basically the internet's let's-see-if-I-can-penetrate-this-thing guy, and is famous for breaking other AI systems.
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And on June 10th, he posed a jailbreak on X, claiming he popped Fable's guardrails wide open and got it producing exactly the same stuff the child log was built to block.
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And that's despite the fact that Anthropic had spent thousands of hours red-teaming and trying to break its own guardrails internally.
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But the jailbreak wasn't some kind of sci-fi exploit, it actually works a lot more like money laundering.
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Fable has a safety classifier watching for bad requests, but you can break dirty requests down into smaller,
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innocent-looking fragments by wrapping them in weird Unicode characters, by doing roleplay farming, or by confusing the model in a very large context conversation.
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Due to national security, I can't be any more specific than that, but this weakness was brought to Anthropic's attention, and they were initially asked to take the model down, but they refused.
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Then on Friday, at 5.21pm Eastern Time, Anthropic gets a letter, not from a customer, but from the United States government.
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This letter was an export control directive, signed off by Commerce Secretary Howard Blutnik,
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and the order was that no foreign national may access Fable 5 or Mythos 5.
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Not abroad, not in the US, and not even Anthropic's own foreign-born employees are allowed to touch it.
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That last one is pretty crazy.
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The government told a company that some of its own staff are no longer allowed to use the product they built.
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That means guys like Andre Carpathy, who just recently got the job at Anthropic, can't even use Fable.
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In response to that directive, they decided to hit the big red button and yanked Fable and Mythos for everybody.
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Now everybody's been quietly demoted back to Opus 4.8.
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And this is the first time in history a major AI
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company has pulled a live public model off the shelf because the federal government said so.
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Many developers out there are not too happy with Anthropic right now, because on top of this whole situation, there was already backlash over reports that Anthropic was intentionally degrading Mythos
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and Fable performance on certain AI research jobs without making it obvious to users.
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But others out there are speculating that this whole thing was a calculated publicity stunt to continue pumping up Anthropic's pre-IPO numbers,
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while simultaneously building a regulatory moat around it.
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But I think the only thing that can truly stop Anthropic at this point is a better model from a competitor.
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A leaked benchmark shows that Mistral might have that model, but we're also awaiting new releases from OpenAI and Google.
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Most of what we hear about AI is either non-stop hype from big tech, or AI doomers warning us that the slopocalypse will destroy the human race.
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But if you want to actually understand AI issues, you should check out Blue.Impact, the sponsor of today's video.
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They're a non-profit whose mission is to get more people involved in making AI go better for humanity.
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The main way they do that is by offering free online courses like their Future of AI course,
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which provides an unbiased introduction to where AI is today and where things could be heading over the next few years.
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They also have more technical courses on things like AI governance and biosecurity, along with personalized career support for people interested in working on AI safety.
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All of Blue Dot's resources are free to use because they're funded by philanthropic donations, and they've helped over 8,000 people get jobs at organizations like Google DeepMind,
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Stanford HAI, and Apollo Research.
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Try out their Future of AI course at the link below.
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This has been The Code Report, thanks for watching, and I will see you in the next one.
Sobre esta lição
Nesta prática, você vai aprender a entender e reproduzir conversações em inglês sobre temas atuais, como inteligência artificial e notícias tecnológicas. O vídeo traz uma narrativa dinâmica, com termos técnicos e expressões coloquiais, perfeita para treinar a escuta e a pronúncia. Vamos focar em capturar a velocidade e o tom do narrador, além de expandir o vocabulário em contextos reais. Ideal para quem quer aprender inglês com vídeos e melhorar a fluência na conversação!
Vocabulário e frases-chave
- Jailbreak: Romper as restrições de um sistema (no vídeo, referido à quebra de proteções de um modelo de IA).
- Guardrails: Barreiras de segurança (usado para descrever as proteções de um modelo de IA).
- FOMO (Fear of Missing Out): Medo de perder algo (expressão coloquial muito usada em contextos digitais).
- Cyberweapon: Arma cibernética (ferramenta usada para ataques digitais).
- Red-teaming: Teste de segurança realizado por uma equipe especializada para identificar vulnerabilidades.
Dicas de prática
O narrador fala com velocidade média e tom informal, com pausas naturais. Use a técnica de shadowing (imitação imediata) para treinar: reproduza cada frase logo após ouvi-la, focando na entonação e na articulação de palavras como "jailbreak" e "guardrails". Para melhorar, divida o vídeo em trechos de 10-15 segundos e repita até que a pronúncia e o ritmo fiquem naturais. Essa prática de conversação em inglês com shadow speech ajuda a internalizar a estrutura da língua e a ganhar confiança. Lembre-se: a chave é a consistência – mesmo 10 minutos por dia já faz diferença!
O que é a Técnica de Shadowing?
Shadowing é uma técnica de aprendizado de idiomas com base científica, originalmente desenvolvida para o treinamento de intérpretes profissionais. O método é simples, mas poderoso: você ouve áudio em inglês nativo e repete imediatamente em voz alta — como uma sombra seguindo o falante com 1-2 segundos de atraso. Pesquisas mostram melhora significativa na precisão da pronúncia, entonação, ritmo, sons conectados, compreensão auditiva e fluência na fala.