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Jevons paradox
Sherwood News

Jevons Paradox is the latest jargon you need to know to signal you’re smart on AI

A paradox named after an English economist born in 1835 blew up this week.

The world of technology moves fast. For commentators and analysts who want to signal they know what’s going on, that means adapting just as quickly.

After mastering epidemiology and evangelizing for crypto during the pandemic, many Twitter (now X) “experts” turned their hand to military strategy and geopolitics in the wake of Russia’s invasion of Ukraine. But for the last 18 months, AI has been the topic du jour. In the wake of DeepSeek turning the entire industry on its head — and wiping nearly $600 billion off of the market cap of Nvidia in a single day — one new phrase has become table stakes for anyone wading into the DeepSeek discourse: Jevons Paradox, with traffic to its associated Wikipedia page soaring this week.

Per that very Wikipedia page:

“...the Jevons paradox occurs when technological advancements make a resource more efficient to use (thereby reducing the amount needed for a single application), however, as the cost of using the resource drops, overall demand increases causing total resource consumption to rise.

The original example posited by Mr. William Stanley Jevons, summarized nicely by Axios, was coal. Progress in steam engines, which enabled them to use less coal, didn’t lead to a drop in coal demand — it led to a huge rise.

Though a bit of an oversimplification, that is essentially the crux of the current debate in AI: DeepSeek reportedly achieved something for a lot less money and resources than US competitors like OpenAI and Meta used. That could be interpreted in two ways:

  • We will therefore need fewer high-tech chips like the ones Nvidia makes, and fewer energy plants to power them (which is why power and data center stocks got hammered this week);

  • Or, and this is where the Jevons Paradox comes in, we will want even more.

The market seemed to follow the first school of thought on Monday, but came around to the second by Tuesday, with chip analysts and tech heavyweights, most notably Microsoft’s CEO Satya Nadella, citing the paradox as proof that AI use will “skyrocket.”

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Tom Jones

Prediction markets have, predictably, been given a boost by the summer of sports

Major platforms like Kalshi and Polymarket have seen huge upticks in users of late, thanks in no small part to what’s felt like a recent sporting smorgasbord, with major competitions across hockey, basketball, and soccer soaking up fans’ time (and spending, clearly) at the outset of summer.

While gaming industry groups may not like it, there’s been a huge change in the methods people are using to put money on the big games, with everyone from fortunate NYC bar owners, to a far less fortunate Spanish supporter, turning to prediction markets to try and turn their sports know-how into cold, hard cash.

According to a new report from Adam Blacker for apptopia, that shift might have been even more seismic than imagined in the wake of the NBA and NHL finals and around the 2026 World Cup kicking off.

While gaming industry groups may not like it, there’s been a huge change in the methods people are using to put money on the big games, with everyone from fortunate NYC bar owners, to a far less fortunate Spanish supporter, turning to prediction markets to try and turn their sports know-how into cold, hard cash.

According to a new report from Adam Blacker for apptopia, that shift might have been even more seismic than imagined in the wake of the NBA and NHL finals and around the 2026 World Cup kicking off.

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Anthropic pulls Fable and Mythos access worldwide after Trump administration bars their use by foreign nationals

Only days after releasing two versions of its next-gen AI model, Anthropic has disabled them for users worldwide.

Anthropic says it received a Friday night order from the Trump administration to suspend access to the models for any foreign national (anywhere in the world) — a group that included some Anthropic employees. In response, the company turned off access to everyone.

Last week, the company released to the public its much-anticipated Claude Fable 5 model (and its restricted version Claude Mythos 5, which is still being tested with trusted partners). Anthropic said in a blog post announcing the action that officials cited national security concerns with the new models, while offering few specific details.

The post said that the government gave the company “verbal evidence of a potential narrow, non-universal jailbreak” of the public Fable 5 model. A jailbreak is a means by which users can evade restrictions built into the code to unlock prohibited functionality. Anthropic downplayed the significance of the attack, and said other major models, such as OpenAI’s GPT-5.5, could also be affected by the technique described.

Fears of these first Mythos-class models being misused are running high, after Anthropic warned the cybersecurity world in May that the advanced cyber capabilities of Mythos have rapidly discovered thousands of vulnerabilities in ubiquitous software, leading to the decision to restrict the full version of the model to a close group of trusted partners for testing.

This morning, Axios reported that Anthropic technical staff have flown to Washington to meet with White House officials to resolve the issue.

The Wall Street Journal is reporting that the Trump administration’s decision to take action against Anthropic was prompted by discussions that Amazon CEO Andy Jassy had with officials, including Treasury Secretary Scott Bessent. According to the report, Amazon researchers said they had been able to evade some of Fable 5’s security restrictions using specific prompts. Amazon is a major investor in Anthropic.

Anthropic is currently suing the US government to fight the Pentagon’s blacklisting of the company on national security grounds.

Last week, the company released to the public its much-anticipated Claude Fable 5 model (and its restricted version Claude Mythos 5, which is still being tested with trusted partners). Anthropic said in a blog post announcing the action that officials cited national security concerns with the new models, while offering few specific details.

The post said that the government gave the company “verbal evidence of a potential narrow, non-universal jailbreak” of the public Fable 5 model. A jailbreak is a means by which users can evade restrictions built into the code to unlock prohibited functionality. Anthropic downplayed the significance of the attack, and said other major models, such as OpenAI’s GPT-5.5, could also be affected by the technique described.

Fears of these first Mythos-class models being misused are running high, after Anthropic warned the cybersecurity world in May that the advanced cyber capabilities of Mythos have rapidly discovered thousands of vulnerabilities in ubiquitous software, leading to the decision to restrict the full version of the model to a close group of trusted partners for testing.

This morning, Axios reported that Anthropic technical staff have flown to Washington to meet with White House officials to resolve the issue.

The Wall Street Journal is reporting that the Trump administration’s decision to take action against Anthropic was prompted by discussions that Amazon CEO Andy Jassy had with officials, including Treasury Secretary Scott Bessent. According to the report, Amazon researchers said they had been able to evade some of Fable 5’s security restrictions using specific prompts. Amazon is a major investor in Anthropic.

Anthropic is currently suing the US government to fight the Pentagon’s blacklisting of the company on national security grounds.

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