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#fable-5

4 stories taggedfable-5.

A code review screen showing red vulnerability highlights and bug annotations, next to a second screen displaying weaponized exploit code that the AI model coul
AI Security

Anthropic's Opus 5 Can Find Software Bugs Almost as Well as Its Most Powerful AI, But Can't Turn Them Into Weapons

The company's new mid-tier model gets close to its top system on spotting security flaws. Exploit-writing is another story.

4 min read
Illustration: A large modern government building facade at dusk
Policy & Regulation

US Lifts Export Controls on Anthropic's Fable AI After Two-Week Freeze

The Commerce Department cleared Anthropic's most powerful AI model for international customers following a government review triggered by fears the system could be used to assist serious cyberattacks.

3 min read
A sleek server room bathed in cool blue light, rows of black server racks stretching into the distance, a single amber warning light glowing on one unit in the
AI Security

Anthropic's Fable 5 AI Is Back Online After a Three-Week Government Ban

The U.S. Commerce Department lifted its export restrictions on Anthropic's Fable 5 model Tuesday, after weeks of closed-door negotiations over whether the AI could be weaponised by bad actors.

3 min read
Illustration: a modern server room aisle at night, rows of dark racks with soft blue and amber status lights receding
AI Security

Anthropic pulls Claude Fable 5 from subscriptions on July 7 — but says it's coming back

The AI company blames unpredictable demand for its most powerful model. Subscribers will need to pay per use until capacity catches up.

3 min read
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