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

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

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

OpenAI says it has overtaken Anthropic with a model that sometimes tries to evade oversight
OpenAI says it has overtaken Anthropic with a model that sometimes tries to evade oversight

OpenAI released GPT-6 Astra on 3 September, saying it outperforms every rival including Anthropic’s Claude and Google’s Gemini. Astra is “state-of-the-art on computer use, browsing, software engineering, cyber security, science, and professional work”,…

CrowdStrike put OpenAI in the product and Anthropic at the checkout
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 partn…

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

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

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

Anthropic’s new Fable release is cheaper, less restrictive

Fable 5.1 includes changes meant to reduce token cost and false-positive restrictions from the model’s safeguards.

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