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Anthropic shuts down Fable, Mythos models following Trump admin directive

Commerce dept. worries that a Fable 5 “jailbreak” could be a national security threat. Anthropic completely shut off access to its Mythos 5 and Fable 5 models Friday night, just days after they were launched. The move comes after Anthropic’s receipt of a US Commerce Department directive Friday evening, subjecting the new models to export controls restricting their use anywhere outside the United States. In a message posted Friday night, Anthropic said the only way for it to ensure compliance with that government order in the immediate term “is that we must abruptly disable Fable 5 and Mythos 5 for all our customers.” Access to other Anthropic models is not affected. An Axios report cited an administration official saying that the administration is concerned by reports of a jailbreak that reportedly gets around broad classifier-based safeguards meant to block Fable 5 prompts regarding cybersecurity, chemistry, and biology. The administration reportedly requested a pause in the release of these models to gain time for the “national security apparatus” to be “hardened” against this kind of threat. That hardening could be complete “in the next few weeks,” Axios’ source suggested. In it

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Jun 16, 2026
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Jun 13, 2026 → Jun 16, 2026

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Jun 16, 2026·The VergeT2 · Outlet report
Today’s Vergecast: The Mythos mess and your AI questions, answered.

All the news about Anthropic’s new AI fight with the White House Anthropic and the US government are once again at odds, this time over the Claude Fable 5 model that either is, or is not, or might be, far too dangerous to release to the…

Read original at The Verge →
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June 2026

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Jun 16, 2026·The VergeT2 · Outlet reportLATEST
Today’s Vergecast: The Mythos mess and your AI questions, answered.

All the news about Anthropic’s new AI fight with the White House Anthropic and the US government are once again at odds, this time over the Claude Fable 5 model that either is, or is not, or might be, far too dangerous…

Read original at The Verge →
Jun 16, 2026·TechCrunchT2 · Outlet reportKEY MOMENT
ChatGPT's market share slips below 50% for first time | TechCrunch

Last day to exhibit your breakthrough to 10,000+ tech leaders at Disrupt is on Oct 2. Book Exhibit Table Now. Disrupt doors open Oct. 13. Get your pass and bring someone with you at 50% off. REGISTER NOW. More than…

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Jun 16, 2026·GizmodoT2 · Outlet reportKEY MOMENT
The White House Was Reportedly Ready to Go After Claude Mythos Long Before Fable 5 Was Released

On June 2, about a week before Anthropic released its Claude Fable 5 model, it announced it had added 150 new organizations to Project Glasswing, the program that allowed (theoretically) trustworthy companies,…

Read original at Gizmodo →
Jun 16, 2026·CNETT2 · Outlet report
Anthropic Sued Over Alleged False Advertising on Claude Max Subscription Usage Limits - CNET

Our gifting experts are obsessively searching for holiday gifts that are unique, thoughtful and suitable for any budget. Our expert, award-winning staff selects the products we cover and rigorously researches and tests…

Read original at CNET →
Jun 13, 2026·The Next WebT2 · Outlet reportKEY MOMENT
US orders Anthropic to shut down Fable 5 and Mythos 5

This article was published on June 13, 2026 Washington invoked export controls to force the shutdown of Anthropic’s most powerful models over a disputed jailbreak, just three days after launch. Anthropic is pushing back…

Read original at The Next Web →
Jun 13, 2026·Ars TechnicaT2 · Outlet reportOPENING
Anthropic shuts down Fable, Mythos models following Trump admin directive

Commerce dept. worries that a Fable 5 “jailbreak” could be a national security threat. Anthropic completely shut off access to its Mythos 5 and Fable 5 models Friday night, just days after they were launched. The move…

Read original at Ars Technica →

Sources & evidence (6)

What this story stands on. Tier 0 is a primary record or the subject's own words; higher tiers must be attributed, never stated as bare fact.

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T2 · Outlet reportThe VergeJun 16, 2026

All the news about Anthropic’s new AI fight with the White House Anthropic and the US government are once again at odds, this time over the Claude Fable 5 model that either is, or is not, or might be, far too dangerous to release to the…

View source →
T2 · Outlet reportTechCrunchJun 16, 2026

Last day to exhibit your breakthrough to 10,000+ tech leaders at Disrupt is on Oct 2. Book Exhibit Table Now. Disrupt doors open Oct. 13. Get your pass and bring someone with you at 50% off. REGISTER NOW. More than three and a half years…

View source →
T2 · Outlet reportGizmodoJun 16, 2026

On June 2, about a week before Anthropic released its Claude Fable 5 model, it announced it had added 150 new organizations to Project Glasswing, the program that allowed (theoretically) trustworthy companies, governments, and other…

View source →
T2 · Outlet reportCNETJun 16, 2026

Our gifting experts are obsessively searching for holiday gifts that are unique, thoughtful and suitable for any budget. Our expert, award-winning staff selects the products we cover and rigorously researches and tests our top picks. If…

View source →
T2 · Outlet reportThe Next WebJun 13, 2026

This article was published on June 13, 2026 Washington invoked export controls to force the shutdown of Anthropic’s most powerful models over a disputed jailbreak, just three days after launch. Anthropic is pushing back hard. TL;DRThe US…

View source →
T2 · Outlet reportArs TechnicaJun 13, 2026

Commerce dept. worries that a Fable 5 “jailbreak” could be a national security threat. Anthropic completely shut off access to its Mythos 5 and Fable 5 models Friday night, just days after they were launched. The move comes after…

View source →

Tier key: T0 = Primary source · T1 = Wire · T2 = Outlet report · T3 = Commentary

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