シャドーイング練習: One man just liberated Fable... and now it’s illegal - 動画で英語スピーキングを学ぶ

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Over the weekend, something crazy happened.

Just three days after the release of Claude Fable, the US government stepped in and curb stomped it in the name of national security.

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,

and instead be forced to use the negative IQ Opus 4.8.

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.

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.

In today's video, we'll find out how

and why our dear leaders in government are keeping us safe from the horrors of linear algebra.

It is June 15th, 2026, and you're watching the Code Report.

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.

But it was locked behind a program called Glasswing, only available to trusted partners, like major corporations and the US government itself.

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.

To prevent that, Anthropic created a different product called Fable 5, which is literally the same exact model, but with safety classifiers bolted on.

That means if you ask it to do bad things, like create an NPM package that turns the banking system into a Minecraft server,

Fable's guardrails will reroute your request to Opus 4.8, for a dumber, more wholesome response.

So basically, Mythos and Fable have the same brain, but Fable has a child lock on it.

Fable went public and gained hundreds of millions of users overnight, and it was awesome.

It was by far the best coding AI model I've ever used, and people were building all sorts of crazy apps with it.

Life was good for about three days.

Then, of course, an anonymous internet user who goes by PlinyTheLiberator defeats the guardrails and jailbreaks it.

He's basically the internet's let's-see-if-I-can-penetrate-this-thing guy, and is famous for breaking other AI systems.

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.

And that's despite the fact that Anthropic had spent thousands of hours red-teaming and trying to break its own guardrails internally.

But the jailbreak wasn't some kind of sci-fi exploit, it actually works a lot more like money laundering.

Fable has a safety classifier watching for bad requests, but you can break dirty requests down into smaller,

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.

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.

Then on Friday, at 5.21pm Eastern Time, Anthropic gets a letter, not from a customer, but from the United States government.

This letter was an export control directive, signed off by Commerce Secretary Howard Blutnik,

and the order was that no foreign national may access Fable 5 or Mythos 5.

Not abroad, not in the US, and not even Anthropic's own foreign-born employees are allowed to touch it.

That last one is pretty crazy.

The government told a company that some of its own staff are no longer allowed to use the product they built.

That means guys like Andre Carpathy, who just recently got the job at Anthropic, can't even use Fable.

In response to that directive, they decided to hit the big red button and yanked Fable and Mythos for everybody.

Now everybody's been quietly demoted back to Opus 4.8.

And this is the first time in history a major AI

company has pulled a live public model off the shelf because the federal government said so.

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

and Fable performance on certain AI research jobs without making it obvious to users.

But others out there are speculating that this whole thing was a calculated publicity stunt to continue pumping up Anthropic's pre-IPO numbers,

while simultaneously building a regulatory moat around it.

But I think the only thing that can truly stop Anthropic at this point is a better model from a competitor.

A leaked benchmark shows that Mistral might have that model, but we're also awaiting new releases from OpenAI and Google.

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.

But if you want to actually understand AI issues, you should check out Blue.Impact, the sponsor of today's video.

They're a non-profit whose mission is to get more people involved in making AI go better for humanity.

The main way they do that is by offering free online courses like their Future of AI course,

which provides an unbiased introduction to where AI is today and where things could be heading over the next few years.

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.

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,

Stanford HAI, and Apollo Research.

Try out their Future of AI course at the link below.

This has been The Code Report, thanks for watching, and I will see you in the next one.

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この動画が英語学習に最適な理由

「動画で英語学習」をするなら、このクリップは完璧な教材です。リアルな会話スピード、口語的な表現、ニュアンス豊かな語彙が満載で、IELTS スピーキング対策にも役立ちます。特に、事件の経緯を説明する際の「流れ」が自然で、日常的な議論や説明をする際の構造を学べます。

自然な表現を分解してみよう

「curb stomped it in the name of national security」：「国家安全保障の名の下に叩き潰した」という意味で、比喩的な表現が印象的。動詞の使い方が生き生きしており、口語でのパワーを感じます。
「the land of the free」：「自由の国」という慣用句で、アメリカを指す表現。文脈に合わせて使うことで、表現の幅が広がります。
「jailbreak Fable and turn it into an unstoppable cyberweapon」：「Fableをジェイルブレイクして止められないサイバー兵器に変える」というフレーズ。技術用語と一般語が混ざり、自然な流れで使われています。

shadowing practiceのルーティン

「shadow speak」の練習には、以下のステップがおすすめです。まず、動画を10秒ずつ再生し、すぐにその後に続けて発音します（shadowing siteでも同様の方法が使えます）。特に、「over the weekend, something crazy happened」のような短いフレーズから始め、リズムとイントネーションを真似ます。録音して自分の発音を聞き直し、元の動画と比べてどこが違うかを確認しましょう。1日10分、1週間続けると、スピーキングの自然さが格段に向上します。

この動画の文法

話し手がよく使っている文型を、動画の実際の表現とともに紹介します。

文型	動画での表現
受動態 be + 過去分詞 — 誰がするかより、何が起きるかに焦点を当てる	be forced · was locked · can't be given
現在完了形 have/has + 過去分詞 — 過去の出来事が今も関係している	I've ever used · everybody's been · has pulled

シャドーイングとは？英語上達に効果的な理由

シャドーイング（Shadowing）は、もともとプロの通訳者養成プログラムで開発された言語学習法で、多言語習得者として知られるDr. Alexander Arguelles によって広く普及されました。方法はシンプルですが非常に効果的：ネイティブスピーカーの英語を聞きながら、1〜2秒の遅延で声に出してすぐに繰り返す——まるで「影（shadow）」のように話者を追いかけます。文法ドリルや受動的なリスニングと異なり、シャドーイングは脳と口の筋肉が同時にリアルタイムで英語を処理・再現することを強制します。研究により、発音精度、抑揚、リズム、連音、リスニング力、そして会話の流暢さが大幅に向上することが確認されています。IELTSスピーキング対策や自然な英語コミュニケーションを目指す方に特におすすめです。

シャドーイングのやり方: ステップ別の完全ガイドを読む →

シャドーイング練習: One man just liberated Fable... and now it’s illegal - 動画で英語スピーキングを学ぶ

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この動画が英語学習に最適な理由

自然な表現を分解してみよう

shadowing practiceのルーティン

この動画の文法

シャドーイングとは？英語上達に効果的な理由