Shadowing Practice: One man just liberated Fable... and now it’s illegal - Learn English Speaking with Video

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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.

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Vocabulario y notas de pronunciación para esta lección

Esta lección de conversación de nivel B2 se basa en el vídeo “One man just liberated Fable... and now it’s illegal”. Las palabras que más se repiten: Fable, model, Anthropic, Mythos, guardrails. Este vídeo tiene 54 frases y 1017 palabras para practicar shadowing. La parte hablada dura 5:11. El hablante habla rápido, unas 196 palabras por minuto, así que espera sonidos enlazados y reducidos. Solo el 80 % de las palabras está entre las 3.000 más comunes del inglés, por lo que el vocabulario es exigente.

Vocabulario clave de este vídeo

Las 15 palabras más avanzadas del vídeo, con su pronunciación y significado:

PalabraPronunciaciónSignificado
guardrail sustantivo/ˈɡɑɹdˌɹeɪl/guardarraíl, quitamiedos
jailbreak sustantivo/ˈd͡ʒeɪlˌbɹeɪk/fuga, huida de cárcel
litter sustantivo/ˈlɪt.ɚ/cama, lecho
directive sustantivo/daɪˈɹɛk.tɪv/directiva
cybersecurity sustantivo/saɪbəsɪˈkjʊəɹɪtɪ/ciberseguridad
degrade verbo/dɪˈɡɹeɪd/degradar
demote verbo/dɪˈmoʊt/demover
launder verbo/ˈlɔndɚ/lavar, hacer la colada
personalize verbo/ˈpɜː.sə.nə.laɪz/personalizar
philanthropic adjetivo/ˌfɪl.ənˈθɹɑ.pɪk/filantrópico
reroute verbo/ɹiˈɹut/cambiar el itinerario, reencaminar
roleplay verbo/ˈroʊl.pleɪ/rolear, simular
speculate verbo/ˈspɛk.jʊˌleɪt/especular, elucubrar
unbiased adjetivopoco/nada sesgado
unstoppable adjetivo/ʌnˈstɔ.pə.bəl/imparable, irrefrenable

Phrasal verbs que vas a escuchar

PalabraSignificado
try out verboprobar, ensayar
check out verboinvestigar, chequear
find out verboaveriguar, anoticiarse
sign off verbofirmar, aprobar

Gramática en este vídeo

Las estructuras que más usa el hablante, con las palabras exactas del vídeo:

EstructuraEn el vídeo
Voz pasiva be + participio pasado — importa lo que ocurre, no quién lo hacebe forced · was locked · can't be given
Present perfect have/has + participio pasado — una acción pasada que sigue importando ahoraeverybody's been · has pulled · they've helped

Pronunciación a tener en cuenta

El hablante usa 12 contracciones y formas reducidas, como can't, they're, I've. Dilas en su forma corta, tal como las oyes.

  • Los sonidos de “sh” y “zh”: benchmark /ˈbɛn(t)ʃmɑːk/, backlash /ˈbækˌlæʃ/, intentionally /ɪnˈtɛn(t)ʃənəli/, donation /doʊˈneɪʃən/, shelf /ʃɛlf/
  • Palabras largas — cuida el acento: cybersecurity /saɪbəsɪˈkjʊəɹɪtɪ/, personalize /ˈpɜː.sə.nə.laɪz/, philanthropic /ˌfɪl.ənˈθɹɑ.pɪk/, unstoppable /ʌnˈstɔ.pə.bəl/, internally /ɪnˈtɜːnəli/

Sonidos difíciles para hispanohablantes:

  • s + consonante al inicio — sin añadir una “e” delante: speculate /ˈspɛk.jʊˌleɪt/, stunt /stʌnt/, sponsor /ˈspɒn.səː/
  • /v/ — no es /b/: los dientes tocan el labio inferior: directive /daɪˈɹɛk.tɪv/, governance /ˈɡʌvəɹnəns/, overnight /əʊvə(ɹ)ˈnaɪt/, developer /dɪˈvɛləpɚ/
  • /z/ — sonora, no /s/: personalize /ˈpɜː.sə.nə.laɪz/, confuse /kənˈfjuːz/, pose /poʊz/

Cómo practicar con este vídeo

  1. Escucha el vídeo entero una vez sin hablar y anota las palabras que no conoces.
  2. Empieza a velocidad 0,75×, haz shadowing frase por frase y vuelve a la velocidad normal cuando te resulte fácil.
  3. Grábate y compara con el original, prestando atención a palabras como guardrail, jailbreak, litter.

¿Qué es la Técnica de Shadowing?

Shadowing es una técnica de aprendizaje de idiomas respaldada por la ciencia, desarrollada originalmente para la formación de intérpretes profesionales y popularizada por el políglota Dr. Alexander Arguelles. El método es simple pero poderoso: escuchas audio en inglés nativo y lo repites en voz alta de inmediato, como una sombra que sigue al hablante con solo 1-2 segundos de retraso. A diferencia de la escucha pasiva o los ejercicios de gramática, el shadowing obliga a tu cerebro y músculos de la boca a procesar y reproducir simultáneamente patrones de habla reales. Las investigaciones muestran que mejora significativamente la precisión de la pronunciación, la entonación, el ritmo, el habla conectada, la comprensión auditiva y la fluidez al hablar, convirtiéndola en una de las metodologías más efectivas para la preparación del IELTS Speaking y la comunicación en inglés en el mundo real.

Técnica de shadowing: lee la guía completa paso a paso →