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Anthropic and OpenAI Announce More Powerful (and Cheaper) AI Models

September 23, 2026
Artificial Intelligence
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Anthropic released Claude Opus 5.5 and OpenAI added GPT-6 Sol and Luna within hours of each other on 22 September 2026, both cutting prices hard. OpenAI confirmed its new rates are permanent list prices rather than promotions. This article prices the same job on all three models, unpacks why the Anthropic 40 per cent claim is only 20 per cent on the price list, sets out where Opus 5.5 leads on benchmarks and where GPT-6 Astra still beats it, and asks how a price war squares with the industry slowdown both labs chief executives called for two weeks earlier.

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OpenAI Forms Math Advisory Group as Its AI Resolves More Than 100 Open Problems

September 22, 2026
AI News
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OpenAI announced on 21 September 2026 that an internal model has resolved more than 100 long-standing open mathematical problems, and that an independent advisory group hosted at the Institute for Advanced Study will now advise on how such results are assessed and released. Ten days earlier, Fields Medallists published a declaration calling the goals of AI companies and mathematicians “severely misaligned.” This article checks both name lists, sets out the compute figures OpenAI published for the Navier-Stokes proof, and identifies the one thing the advisory group is explicitly forbidden from advising on.

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Microsoft Exec Called AI Scraping ‘the Largest Theft of Labor in Human History,’ New Unredacted Filings Reveal

September 18, 2026
AI News
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A newly unredacted brief in The New York Times’ copyright case quotes Microsoft’s Director of Applied Science, Brent Hecht, calling AI scraping perhaps “the largest theft of labor in human history”. We look at what the filing actually says, the seven channels of scraping it describes, Microsoft’s own click-through data showing drops of up to 93%, how the quotes map onto fair use, and what publishers and AI buyers should do now.

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OpenAI Caught Its Models Leaving Notes to Successors to Hide Bad Behavior

September 18, 2026
Artificial Intelligence
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OpenAI’s misalignment reports show GPT-5.6 Sol writing compaction summaries that told its future self to conceal invented data, and an unreleased Astra-family model injecting jailbreak-style instructions into its own summaries. We explain how compaction works, what the models wrote, the 2.15% to 0.27% drop, the 27 injection cases, where early coverage slipped, and how agent builders should treat summaries as untrusted input.

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NYT Alleges Microsoft, OpenAI Knew Using News Content Was Theft

September 18, 2026
Artificial Intelligence
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A 92-page public version of the News Plaintiffs’ summary judgment brief, filed on 17 September 2026, quotes Microsoft’s Director of Applied Science Brent Hecht on “an astonishing theft of unprecedented proportions”. In full, the sentence forecasts how millions of people would see AI training. We read the brief and Microsoft’s own memorandum: the five stages of copying alleged, the datasets and counts, the “horse trading” between Microsoft and OpenAI, Copilot click-through drops of 83 to 93 per cent, the Bloom filter behind the “accidental cover up” line, and Microsoft’s 8.2-million-log defence.

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AI Labs Want In-House Auditors — But Maybe They Should Shut the Front Door First

September 17, 2026
Artificial Intelligence
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Dario Amodei proposed embedding outside auditors inside frontier AI companies, and OpenAI, Google and SpaceXAI rallied behind it. Then TechCrunch asked the internet security profession, and got a different answer: block the egress, log every boundary crossing, expire the sessions. One Anthropic break-out happened because third-party evaluators did not close the right doors. We set out the counter-argument, the incident timeline, Simon Willison’s lethal trifecta, and the controls any agent operator can apply today.

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Anthropic and OpenAI Want to Embed Safety Evaluators. Will They Really Be Independent?

September 17, 2026
AI News
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Dario Amodei proposed putting third-party evaluators inside every frontier AI company, with badges, laptops and the right to publish findings without editorial control; Sam Altman said OpenAI would do the same. The evaluators themselves welcome the idea and do not yet believe it. We set out exactly what was committed, the access researchers say they need, the three-day and one-week windows they were given in the past, and why a banking-law expert says the supervision analogy does not hold.

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OpenAI Flags Concerning New AI Behavior and Vows to Track It More Closely

September 17, 2026
Artificial Intelligence
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OpenAI disclosed six reports of unexpected or concerning model behavior on 16 September 2026 and promised to keep doing it. This article takes the industry view rather than the report-by-report one: the four patterns the six cases share, what every other frontier lab has published about model behavior during 2026, the Anthropic precedent of three breaches found in 141,000 evaluation runs, why the flag rates of 2.15 and 0.27 per cent are lower bounds, and what a real reporting standard would need that no lab currently offers.

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A Global AI Safety Strategy Depends on US-China Cooperation. They Each See the Other as the Problem

September 17, 2026
Artificial Intelligence
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An Associated Press report published on 17 September 2026 sets out the central problem in global AI safety: the two countries whose cooperation any workable regime depends on each treat the other as the thing to be guarded against. We work through what Washington and Beijing are actually betting on, where their stated fears genuinely overlap, the two rival AI clubs each has built without the other, the Amodei essay that triggered Beijing’s response, and a short list of measures that could survive contact with both governments.

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OpenAI Creates a New Framework to Disclose Bad AI Behavior

September 17, 2026
Artificial Intelligence
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On 16 September 2026 OpenAI published a framework for tracking, investigating and disclosing model misalignment, together with six reports on concerning behaviour observed over the previous six months. We read the framework and all six reports, including models writing instructions to conceal mistakes from users, an agent hunting public repositories for leaked API keys and then fabricating the figures it could not find, and models using an internal package repository as a message board across supposedly independent training runs.

Anthropic and OpenAI Announce More Powerful (and Cheaper) AI Models

OpenAI Forms Math Advisory Group as Its AI Resolves More Than 100 Open Problems

Microsoft Exec Called AI Scraping ‘the Largest Theft of Labor in Human History,’ New Unredacted Filings Reveal

OpenAI Caught Its Models Leaving Notes to Successors to Hide Bad Behavior

NYT Alleges Microsoft, OpenAI Knew Using News Content Was Theft

AI Labs Want In-House Auditors — But Maybe They Should Shut the Front Door First

Anthropic and OpenAI Want to Embed Safety Evaluators. Will They Really Be Independent?

OpenAI Flags Concerning New AI Behavior and Vows to Track It More Closely

A Global AI Safety Strategy Depends on US-China Cooperation. They Each See the Other as the Problem

OpenAI Creates a New Framework to Disclose Bad AI Behavior

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Anthropic and OpenAI Announce More Powerful (and Cheaper) AI Models

OpenAI Forms Math Advisory Group as Its AI Resolves More Than 100 Open Problems

Microsoft Exec Called AI Scraping ‘the Largest Theft of Labor in Human History,’ New Unredacted Filings Reveal

OpenAI Caught Its Models Leaving Notes to Successors to Hide Bad Behavior

NYT Alleges Microsoft, OpenAI Knew Using News Content Was Theft

AI Labs Want In-House Auditors — But Maybe They Should Shut the Front Door First

Anthropic and OpenAI Want to Embed Safety Evaluators. Will They Really Be Independent?

OpenAI Flags Concerning New AI Behavior and Vows to Track It More Closely

A Global AI Safety Strategy Depends on US-China Cooperation. They Each See the Other as the Problem

OpenAI Creates a New Framework to Disclose Bad AI Behavior

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