A2June 13, 2026·2 min read·266 words·6 vocab words·Source: Ars Technica

Government Orders Anthropic to Turn Off AI Models

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Government Orders Anthropic to Turn Off AI Models
Photo: Ars Technica
In brief

Anthropic turned off its new Fable 5 and Mythos 5 models on Friday night. The US government ordered this because of security concerns. They are worried that people can bypass safety rules to ask about biology and cybersecurity. Anthropic disagrees with the government but has followed the law. More details will come soon.

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Anthropic is a famous AI company. Last week, they launched two new models. These models were Fable 5 and Mythos 5. Many people were excited to use them. However, something changed on Friday night. The company suddenly turned off both models. This happened because the US government sent a special directive. The Commerce Department is worried about national security. They think the models have a problem. There are reports of a jailbreak. A jailbreak is when a user skips the safety rules. If people do this, they can ask dangerous questions. They can ask about biology or chemistry. They can also ask about computer security. An official from the Trump administration spoke about this. The government wants to fix the security apparatus. They need a few weeks for this work. Anthropic decided to disable the models immediately. They want to follow the government’s rules. But the company does not agree with the government. They think the jailbreak is very small. They said that other models like GPT-5.5 have the same skills. Anthropic apologized to its customers. They called this a disruption. They also said there was a misunderstanding. This month, President Trump signed an executive order. He wants AI companies to test their models for safety. Anthropic says they will give more information soon. They plan to post more details in the next 24 hours. For now, Fable 5 and Mythos 5 are not available. Other Anthropic models are still working normally. Users are waiting for more news about these smart computers. It is a very busy time for technology and laws in the United States.

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Comprehension
Question 1 of 3

What are the names of the two models?

Grammar spotlight

Past Simple

One point · A2

Use the Past Simple to talk about completed actions in the past.

From this article

Anthropic is a famous AI company.

What to know · A2

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Neutral register

Scenario: Explaining why something is not working.

  1. 01It is not available right now.
  2. 02There was a misunderstanding.
  3. 03We need a few weeks.

Register tip · informal

🔑Key Phrases

turned off both modelsapagó ambos modelos

Shows the action of stopping technology.

Phrasal verb structure (verb + particle)

The engineer turned off both models.

follow the government’s rulesseguir las reglas del gobierno

Means complying with official laws.

Verb + possessive noun + noun

Citizens must follow the government's rules.

🎙️ Article Audio — Kokoro TTS

Government Orders Anthropic to Turn Off AI Models

Adapted from Ars Technica · Read the original. LinguaPress rewrites the facts as original graded-reader text for language learners.

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