U.S. Lifts Export Controls on Anthropic’s Fable 5 and Mythos 5 Models

U.S. Lifts Export Controls on Anthropic’s Fable 5 and Mythos 5 Models

The U. S. Commerce Department lifted export restrictions on Anthropic’s Claude Fable 5 and Claude Mythos 5 models, allowing the company to restore access for U. S. entities and approved partners. Earlier, Anthropic said it would make the safeguards for its Claude Fable 5 model visible after WIRED reported that the company had been using a hidden policy that silently degraded performance for users developing competing AI systems. The reversal was presented as a response to researcher backlash. Subsequently, the Commerce Department issued an export-control directive that barred foreign nationals from using the Fable 5 and Mythos 5 models, citing national-security concerns after a reported jailbreak, according to TechCrunch, Ars Technica and Fortune.

Anthropic complied by disabling access to both models worldwide, as reported by Business Insider and the Los Angeles Times. After weeks of negotiations, the administration announced that the restrictions were being eased; Semafor noted that the department authorized Anthropic to provide Mythos 5 to more than 100 U. S. agencies and firms, while AP and TechCrunch reported that limited access to both models was restored to vetted U. S. organizations. CNN, CNBC and later WIRED confirmed that the export controls on both Claude Fable 5 and Claude Mythos 5 were fully removed, permitting broader distribution.

Actors

Anthropic Dean Ball (Foundation for American Innovation) Will Brown (Prime Intellect)

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Articles

July 01, 2026
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US Removes Export Restrictions on Anthropic's Fable 5 and Mythos 5 Models
US Removes Export Restrictions on Anthropic's Fable 5 and Mythos 5 Models

Ars Technica • 01 Jul 16:44

The Commerce Department lifted export curbs on Anthropic's latest AI models, allowing global access to Fable 5 and restoring US access to Mythos 5 after a safety review and new safeguards were implemented.

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U.S. Lifts Export Restrictions on Anthropic's Mythos and Fable AI Models
U.S. Lifts Export Restrictions on Anthropic's Mythos and Fable AI Models

TechCrunch • 01 Jul 02:16

The Commerce Department removed licensing requirements for Anthropic's Mythos and Fable models, allowing the company to restore public access starting July 1.

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June 30, 2026
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U.S. Commerce Department lifts export restrictions on Anthropic's Claude Fable 5 and Mythos 5 models
U.S. Commerce Department lifts export restrictions on Anthropic's Claude Fable 5 and Mythos 5 models

CNBC • 30 Jun 23:58

The Department of Commerce has removed the export controls that barred foreign access to Anthropic's Fable 5 and Mythos 5 AI models, allowing the company to restore availability.

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U.S. Commerce Department lifts export restrictions on Anthropic's advanced AI models
U.S. Commerce Department lifts export restrictions on Anthropic's advanced AI models

CNN • 30 Jun 23:57

The Department of Commerce removed export controls on Anthropic's Claude Fable 5 and Mythos 5 models, allowing the company to restore access and resume limited releases to approved partners.

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White House eases export restrictions on Anthropic's advanced AI models
White House eases export restrictions on Anthropic's advanced AI models

WIRED • 30 Jun 23:23

The administration has lifted limits on Anthropic's Claude Mythos 5 and Claude Fable 5, allowing broader distribution after earlier orders required the models to be taken offline.

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June 27, 2026
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US Grants Limited Access to Anthropic's Mythos 5 AI Model for Select Cybersecurity Firms
US Grants Limited Access to Anthropic's Mythos 5 AI Model for Select Cybersecurity Firms

DW.com • 27 Jun 13:47

The U.S. government has authorized Anthropic to provide its Mythos 5 AI model to a limited group of trusted American cybersecurity companies, after a prior block by the administration.

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U.S. Commerce Department permits limited re-deployment of Anthropic's Mythos 5 AI model
U.S. Commerce Department permits limited re-deployment of Anthropic's Mythos 5 AI model

NBC News • 27 Jun 02:26

The Commerce Department has authorized Anthropic to restore access to its Mythos 5 model for about 100 vetted U.S. organizations, citing confidence in the company’s safety safeguards.

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Trump administration permits Anthropic's Mythos 5 for over 100 U.S. agencies and firms
Trump administration permits Anthropic's Mythos 5 for over 100 U.S. agencies and firms

TechCrunch • 27 Jun 01:01

The Commerce Department has authorized Anthropic to provide its Mythos 5 AI model to more than 100 U.S. government agencies and private companies, extending access to non-American employees of those organizations.

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OpenAI and Anthropic limit new AI models to government-approved users amid federal review
OpenAI and Anthropic limit new AI models to government-approved users amid federal review

AP News • 27 Jun 00:59

OpenAI and Anthropic said they will restrict access to their latest AI models to a small group of customers cleared by the Trump administration, citing cybersecurity concerns and a temporary government vetting process.

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June 26, 2026
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U.S. Commerce Department lifts export block on Anthropic's Claude Mythos 5 model
U.S. Commerce Department lifts export block on Anthropic's Claude Mythos 5 model

Semafor • 26 Jun 22:30

The Commerce Department announced that Anthropic can now provide its Claude Mythos 5 AI model to over 100 U.S. entities, while a similar OpenAI model is being rolled out to a limited set of approved partners.

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Anthropic's Mythos models remain offline as export-control talks stall
Anthropic's Mythos models remain offline as export-control talks stall

The Verge • 26 Jun 14:07

Two weeks after a U.S. export-control order forced Anthropic to suspend its Mythos-5 and Fable-5 models, negotiations with the Trump administration have made little progress, leaving the company's revenue outlook and upcoming IPO uncertain.

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June 24, 2026
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White House Engages New Anthropic Representative Over Claude Fable 5 Restrictions
White House Engages New Anthropic Representative Over Claude Fable 5 Restrictions

WIRED • 24 Jun 15:15

The Trump administration has shifted its talks with Anthropic to co-founder Tom Brown, seeking assurances that the Claude Fable 5 model can be redeployed without security risks.

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June 23, 2026
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Five Eyes alliance warns AI could outpace cybersecurity within months
Five Eyes alliance warns AI could outpace cybersecurity within months

CBS News • 23 Jun 13:40

The intelligence partnership of the United States, United Kingdom, Australia, Canada and New Zealand says advanced AI models may render current cyber defenses obsolete in a matter of months, urging rapid adoption of AI-based security measures.

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June 21, 2026
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U.S. Export Controls Force Anthropic to Suspend Two Latest AI Models
U.S. Export Controls Force Anthropic to Suspend Two Latest AI Models

TechCrunch • 21 Jun 15:28

The Trump administration ordered Anthropic to take offline its Fable 5 and Mythos 5 models over undisclosed national security concerns, prompting debate among experts about the move's impact on the AI sector.

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June 17, 2026
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White House orders Anthropic to cut foreign access to Claude Mythos after security concerns
White House orders Anthropic to cut foreign access to Claude Mythos after security concerns

WIRED • 17 Jun 22:52

The U.S. administration directed Anthropic to revoke access to its Claude Mythos and Fable 5 models for all non-U.S. users, citing worries about potential ties between South Korean telecom SK Telecom and China and recent vulnerability reports.

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June 16, 2026
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Anthropic's business AI share climbs despite Trump administration restrictions
Anthropic's business AI share climbs despite Trump administration restrictions

TechCrunch • 16 Jun 22:34

Anthropic overtook OpenAI in business AI spending in May, while a White House order barred non-U.S. users from its newest models, a move that analysts say could further boost its corporate adoption.

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White House Export Controls Prompt Anthropic to Suspend Claude Fable 5 Model
White House Export Controls Prompt Anthropic to Suspend Claude Fable 5 Model

Gizmodo • 16 Jun 09:30

Anthropic halted its Claude Fable 5 AI model after a White House export control directive, triggered by concerns over access granted to a South Korean telecom firm with alleged Chinese ties.

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U.S. Export Controls Suspend Access to Anthropic's Mythos 5 and Fable 5 Models
U.S. Export Controls Suspend Access to Anthropic's Mythos 5 and Fable 5 Models

The Verge • 16 Jun 03:00

The U.S. Commerce Department issued an export-control directive requiring Anthropic to block foreign-national use of its Mythos 5 and Fable 5 AI models, prompting negotiations between the company and the Trump administration.

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Anthropic and White House remain at odds over Claude Fable 5 export controls
Anthropic and White House remain at odds over Claude Fable 5 export controls

WIRED • 16 Jun 00:53

The U.S. administration kept export restrictions on Anthropic's Claude Fable 5 after talks in Washington, while the company maintains the model's safeguards are adequate.

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June 15, 2026
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Cybersecurity experts urge White House to lift export controls on Anthropic AI models
Cybersecurity experts urge White House to lift export controls on Anthropic AI models

TechCrunch • 15 Jun 15:29

Dozens of security veterans have asked the U.S. government to remove restrictions on Anthropic's Fable and Mythos models, saying the limits hinder defenders while adversaries continue to advance.

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White House orders Anthropic to shut down new AI model within 90 minutes
White House orders Anthropic to shut down new AI model within 90 minutes

The Washington Post • 15 Jun 14:33

The administration directed Anthropic to deactivate its recently launched Fable model after security concerns, giving the company a brief window to comply.

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June 14, 2026
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U.S. Commerce Department Halts Distribution of Anthropic's Fable 5 Model After Security Concerns
U.S. Commerce Department Halts Distribution of Anthropic's Fable 5 Model After Security Concerns

Fortune • 14 Jun 21:10

The Commerce Department invoked export controls to stop Anthropic from providing its Fable 5 and Mythos 5 AI models to foreign nationals following a security breach identified by Amazon, marking the first such action against a commercial AI system.

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White House imposes export controls on Anthropic's Fable model after security concerns
White House imposes export controls on Anthropic's Fable model after security concerns

Business Insider • 14 Jun 17:15

The Trump administration placed export restrictions on Anthropic's newly released Fable AI model following a series of high-level meetings and concerns about potential security vulnerabilities.

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Anthropic disables access to Mythos models after US government order
Anthropic disables access to Mythos models after US government order

Los Angeles Times • 14 Jun 01:09

Anthropic halted availability of its Fable 5 and Mythos 5 AI models following a Commerce Department directive that bars foreign nationals from using the technology, citing national-security concerns.

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June 13, 2026
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Anthropic to Shut Down Fable 5 and Mythos 5 Models Following U.S. Export Control Order
Anthropic to Shut Down Fable 5 and Mythos 5 Models Following U.S. Export Control Order

Business Insider • 13 Jun 07:22

Anthropic will disable its Fable 5 and Mythos 5 AI models after receiving a U.S. government letter citing national security concerns, while other models remain available.

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Anthropic disables Fable and Mythos models after U.S. export control order
Anthropic disables Fable and Mythos models after U.S. export control order

Fortune • 13 Jun 04:25

Anthropic has suspended access to its Fable and Mythos AI models following a U.S. government directive that extends export restrictions to foreign nationals in the United States, while its smaller Claude models remain available.

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Anthropic disables Fable and Mythos AI models after U.S. Commerce Department order
Anthropic disables Fable and Mythos AI models after U.S. Commerce Department order

Ars Technica • 13 Jun 03:00

Anthropic halted access to its Fable 5 and Mythos 5 models following a Commerce Department directive that placed the models under export controls, citing national-security concerns over a reported jailbreak.

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U.S. Government Orders Anthropic to Suspend Two Leading AI Models Over Security Concerns
U.S. Government Orders Anthropic to Suspend Two Leading AI Models Over Security Concerns

TechCrunch • 13 Jun 02:26

Anthropic said it has disabled its Claude Fable 5 and Claude Mythos 5 models worldwide after a U.S. export-control directive cited national-security risks, while the company disputes the justification.

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June 11, 2026
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Anthropic reverses covert performance-degradation policy for Claude Fable 5 after researcher backlash
Anthropic reverses covert performance-degradation policy for Claude Fable 5 after researcher backlash

WIRED • 11 Jun 03:11

Anthropic said it will make safeguards for its Claude Fable 5 model visible after criticism that a hidden policy would have silently reduced performance for users attempting to develop competing AI systems.

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