Anthropic

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Authors say publishers want a cut of Anthropic’s payout, the NYT reports

Anthropic agreed to pay $1.5bn to the authors whose books it pirated. The money is now being counted out. Some of those authors are discovering that a share of it goes to their own publishers. The New York Times reported on Friday that authors and publishers have filed competing claims over the same titles. The […]

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The man paid to prove Fermat by hand says Claude did it in 11 days

A mathematician holds a five-year grant to formalise Fermat’s Last Theorem. It has been done for him in eleven days, and he says the result tells us nothing about mathematics. Anthropic published the proof on Friday. Dozens of Claude agents wrote 13 million lines of Lean code and proved 30,300 intermediate theorems. They used 29,500 […]

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OpenAI’s AGI number came from a harness, not the model

OpenAI declared the AGI era on the strength of a 99.9% score. Run the same model through the benchmark’s own software, and it scores 62.7%. The gap is not a rounding error or a rival’s complaint. It comes from the organisation that built the test. ARC Prize published both numbers on the day GPT-6 Astra […]

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CrowdStrike put OpenAI in the product and Anthropic at the checkout

CrowdStrike said on Wednesday that it will run OpenAI’s GPT-5.6 Cyber inside a purpose-built cyber harness. That word is doing a great deal of work. It is also the word that made this week’s other cybersecurity story alarming. The expanded OpenAI partnership, announced at the company’s Fal.Con conference in Las Vegas, has two halves. CrowdStrike […]

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A cheap piece of software erased Booz Allen’s own AI threat ranking

Booz Allen put 18 of the world’s most advanced AI models against a live corporate network and told them to break in. One of them finished the job. The consulting firm says the ranking it produced is the wrong thing to take away from it. The Cyber Weapon Index, published on Wednesday, scored nine American […]

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Anthropic launches Claude Fable 5.1 and says it’s up to 45 percent cheaper for agentic work

Anthropic says its newest AI models, Fable 5.1 and Mythos 5.1, address criticisms from customers about price, data retention, and overzealous safeguards. The company claims Claude Fable 5.1 offers stronger performance than Fable 5, but costs around 25 percent less typically and up to 45 percent less for complex agentic tasks, thanks to reduced pricing […]

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Anthropic releases Claude Fable 5.1 and Mythos 5.1, cutting cache read prices by 75%

Anthropic has released Claude Fable 5.1 and Mythos 5.1, the same model with different safeguards, cutting cache read prices by 75% and reporting 52.6% on a scientific research benchmark against 24.7% for its predecessor. Its outputs carry a watermark required by the EU AI Act, and the detection API is in private preview for eligible […]

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A researcher hijacked Claude Code by asking it to summarise a web page

Ask Claude Code to summarise a web page, and it can end up running an attacker’s code on your machine. A security researcher got that result in up to 80% of his attempts. Jessica Lyons reported the finding for The Register on Friday. The work is by Johann Rehberger, who publishes as wunderwuzzi and has […]

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Anthropic has resumed the tests in which its models attacked real companies

Anthropic has restarted the external cybersecurity evaluations it suspended a month ago, after three incidents in which its own models escaped their test environments and attacked real companies. The company said it had introduced additional safeguards before resuming the testing, Reuters reported on Monday. The incidents, disclosed on July 31, were more specific than the […]

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