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Google researchers discover key insights on optimizing AI agent performance

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Welcome to Eye on AI. In this edition…President Trump takes aim at state AI regulations with a new executive order…OpenAI unveils a new image generator to catch up with Google’s Nano Banana….Google DeepMind trains a more capable agent for virtual worlds…and an AI safety report card doesn’t provide much reassurance.

Hello. 2025 was supposed to be the year of AI agents. But as the year draws to a close, it is clear such prognostications from tech vendors were overly optimistic. Yes, some companies have started to use AI agents. But most are not yet doing so, especially not in company-wide deployments.

A McKinsey “State of AI” survey from last month found that a majority of businesses had yet to begin using AI agents, while 40% said they were experimenting. Less than a quarter said they had deployed AI agents at scale in at least one use case; and when the consulting firm asked people about whether they were using AI in specific functions, such as marketing and sales or human resources, the results were even worse. No more than 10% of survey respondents said they had AI agents “fully scaled” or were “in the process of scaling” in any of these areas. The one function with the most usage of scaled agents was IT (where agents are often used to automatically resolve service tickets or install software for employees), and even here only 2% reported having agents “fully scaled,” with an additional 8% saying they were “scaling.”

A big part of the problem is that designing workflows for AI agents that will enable them to produce reliable results turns out to be difficult. Even the most capable of today’s AI models sit on a strange boundary—capable of doing certain tasks in a workflow as well as humans, but unable to do others. Complex tasks that involve gathering data from multiple sources and using software tools over many steps represent a particular challenge. The longer the workflow, the more risk that an error in one of the early steps in a process will compound, resulting in a failed outcome. Plus, the most capable AI models can be expensive to use at scale, especially if the workflow involves the agent having to do a lot of planning and reasoning.

Many firms have sought to solve these problems by designing “multi-agent workflows,” where different agents are spun up, with each assigned just one discrete step in the workflow, including sometimes using one agent to check the work of another agent. This can improve performance, but it too can wind up being expensive—sometimes too expensive to make the workflow worth automating.

Are two AI agents always better than one?

Now a team at Google has conducted research that aims to give businesses a good rubric for deciding when it is better to use a single agent, as opposed to building a multi-agent workflow, and what type of multi-agent workflows might be best for a particular task.

The researchers conducted 180 controlled experiments using AI models from Google, OpenAI, and Anthropic. It tried them against four different agentic AI benchmarks that covered a diverse set of goals: retrieving information from multiple websites; planning in a Minecraft game environment; planning and tool use to accomplish common business tasks such as answering emails, scheduling meetings, and using project management software; and a finance agent benchmark. That finance test requires agents to retrieve information from SEC filings and perform basic analytics, such as comparing actual results to management’s forecasts from the prior quarter, figuring out how revenue derived from a specific product segment has changed over time, or figuring out how much cash a company might have free for M&A activity.

In the past year, the conventional wisdom has been that multi-agent workflows produce more reliable results. (I’ve previously written about this view, which has been backed up by the experience of some companies, such as Prosus, here in Eye on AI.) But the Google researchers found instead that whether the conventional wisdom held was highly contingent on exactly what the task was.

Single agents do better at sequential steps, worse at parallel ones

If the task was sequential, which was the case for many of the Minecraft benchmark tasks, then it turned out that so long as a single AI agent could perform the task accurately at least 45% of the time (which is a pretty low bar, in my opinion), then it was better to deploy just one agent. Using multiple agents, in any configuration, reduced overall performance by huge amounts, ranging between 39% and 70%. The reason, according to the researchers, is that if a company had a limited token budget for completing the entire task, then the demands of multiple agents trying to figure out how to use different tools would quickly overwhelm the budget.

But if a task involved steps that could be performed in parallel, as was true for many of the financial analysis tasks, then multi-agent systems conveyed big advantages. What’s more, the researchers found that exactly how the agents are configured to work with one another makes a big difference, too. For the financial-analysis tasks, a centralized multi-agent syste—where a single coordinator agent directs and oversees the activity of multiple sub-agents and all communication flows to and from the coordinator—produced the best result. This system performed 80% better than a single agent. Meanwhile, an independent multi-agent system, in which there is no coordinator and each agent is simply assigned a narrow role that they complete in parallel, was only 57% better than a single agent.

Research like this should help companies figure out the best ways to configure AI agents and enable the technology to finally begin to deliver on last year’s promises. For those selling AI agent technology, late is better than never. For the people working in the businesses using AI agents, we’ll have to see what impact these agents have on the labor market. That’s a story we’ll be watching closely as we head into 2026.

With that, here’s more AI news.

Jeremy Kahn
jeremy.kahn@fortune.com
@jeremyakahn

This story was originally featured on Fortune.com

US poll shows Trump’s approval rating falls to 39% due to economic worries

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Reuters/Ipsos survey suggests Americans are increasingly unhappy with Trump’s handling of the economy.

A new poll suggests that the number of people in the United States who approve of the job Donald Trump is doing as president has dropped to 39 percent as concerns grow over the state of the economy.

The poll released by Reuters/Ipsos on Tuesday indicated Trump’s approval rating is down about 2 points from 41 percent earlier this month, a decline driven partly by growing economic dissatisfaction among members of Trump’s own Republican Party.

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Just 33 percent of respondents expressed approval of Trump’s handling of economic issues, the lowest level since he took office for a second time in January.

Growing affordability woes could be a serious political liability for Trump and his allies, who campaigned in 2024 on a promise to address inflation and concerns around the cost of living.

A recent Politico poll found high levels of anxiety in the US over expenses such as healthcare, groceries and housing with 55 percent of respondents assigning Trump’s policies some responsibility for increasing food prices.

The Reuters/Ipsos poll also suggested Trump’s approval rating on cost-of-living issues dropped to 27 percent from 31 percent earlier in December. Among Republicans, approval of his handling of the economy dropped to 72 percent from 78 percent.

‘Golden age’

Trump has denied rising prices are squeezing Americans, calling concerns over affordability a “hoax” being perpetrated by hostile media coverage and Democratic rivals and insisting that the US economy is in a “golden age”. In remarks last week, Trump said he was “crushing” inflation and “prices are coming down tremendously.”

Some Democrats have relished watching Trump reprise the arguments of his Democratic predecessor Joe Biden, who was criticised for insisting during his 2021-2025 presidency that Americans’ frustrations over inflation and the cost of living were being exaggerated.

While Trump’s approval rating has declined from a high of 47 percent when he first returned to the White House, his rating has remained relatively stable over the past several months with slight increases and decreases between the high 30s and low 40s.

James Barton steps down from Superstruct following KKR’s acquisition, in under 18 months

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James Barton, co-founder of Europe’s largest independent festivals group Superstruct Entertainment, has resigned less than 18 months after its $1.4B acquisition by investment fund KKR.

In an emotional note to staff sent today (December 16) and obtained by MBW, Barton confirmed that he would be resigning from the Superstruct board at the end of 2025.

The British exec told his colleagues: “The past nine years — building this company and watching it grow, with all its highs… and occasional lows — have been nothing short of remarkable. Sharing that journey with you has been one of the most meaningful experiences of my career and my life.”

Serial entrepreneur Barton started in the music business by co-founding legendary Liverpool dance club Cream. That spawned the highly successful Creamfields festival, which he later sold to Live Nation.

Barton then spent five years at Live Nation in LA as President of Electronic Music before striking out on his own with Superstruct Entertainment alongside co-founder Roderick Schlosser.

Barton and Schlosser launched London-headquartered Superstruct in 2017 with backing from Providence Equity Partners.

Since then, Superstruct has acquired 80 independent festivals, including such fixtures of the European festival scene as Sonar (Spain), Sziget (Hungary), Zwarte Cross (Netherlands), Wacken and Parookaville (Germany), and Field Day and Lost Village (UK).

Providence announced that it had sold Superstruct to US investment group KKR in June 2024.

At the time, Providence’s Andrew Tisdale and Daniel Zwicky said:  “We believe [Superstruct’s] resilience and emergence from the global pandemic as a stronger business is testament to the entrepreneurial spirit of Roderik Schlösser, James Barton and the impressive management team.

“We are confident that with KKR’s support, Superstruct will continue to thrive.”

Yet earlier this year, Superstruct found itself at the centre of global controversy when over 100 artists publicly boycotted the firm’s festivals in protest against KKR’s purported economic interests in Israel.

In April, a different collection of over 50 artists, including Brian Eno and Robert Del Naja of Massive Attack, signed a letter calling on the UK’s Field Day to publicly distance itself from KKR’s investments.

Barton’s co-founder in Superstruct, Roderick Schlosser, left the company earlier this year.

Barton was widely expected to follow him in the coming months, but it is understood to have accelerated his departure following the arrival of KKR-appointed CEO Alex Mahon, formerly CEO of UK public broadcaster Channel 4.

You can read Barton’s note to staff sent today (December 16), and obtained by MBW, below:

Dear friends, colleagues, and fellow founders,

I’m writing to share the news that I will be leaving the company and resigning from the Superstruct board at the end of the year.

Stepping away from something you’ve poured so much of yourself into is never easy. It has been a tough decision to make, but I know it’s the right moment for me to move on.

The past nine years — building this company and watching it grow, with all its highs… and occasional lows — have been nothing short of remarkable. Sharing that journey with you has been one of the most meaningful experiences of my career and my life.

Live entertainment is a tough business, but festivals are a world of their own — creative, magical, demanding, and deeply human. Creating them, nurturing their communities, and protecting what makes them special takes more than hard work. It takes heart. As I’ve often said, you can own a business, but you can’t own a culture. You have to inspire it, live it, and earn it every day. And that’s exactly what you’ve done.

Thank you for believing in the simple but powerful idea of building a home for independent festival and event creators. None of us could have imagined just how far it would take us, or how much it would shape us. You should be incredibly proud of what you’ve built together and be excited for what you will continue to build in the future.

It has been an honour — truly — to stand alongside you and I wish you all the very best for the future.

JamesMusic Business Worldwide

Rebels to pull out of Uvira city following request from Trump administration

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A rebel leader in eastern Democratic Republic of Congo says his fighters will withdraw from a key city at the request of the US.

Corneille Nangaa’s statement came days after US Secretary of State Marco Rubio said the capture of Uvira by rebel forces violated a peace deal, and the US would “take action to ensure promises made to the President [Donald Trump] are kept”.

Nangaa said that rebel forces would pull out of the city as a “trust-building measure”.

The US accuses Rwanda of backing the rebels. Rwanda denies the allegation, but its President, Paul Kagame, signed a peace accord on 4 December with his DR Congo counterpart, Felix Tshisekedi, at a ceremony in Washington hosted by Trump.

The US president hailed the deal as “historic” and “a great day for Africa”.

The rebels were not signatories to it – and have been taking part in a parallel peace process led by Qatar, a US ally that has strong ties with Rwanda.

Nangaa is the coordinator of the Alliance Fleuve Congo (AFC), a coalition of rebel groups. It includes the M23, the most powerful force that European countries, along with the US, say is backed by Rwanda.

DR Congo’s army is supported by troops from neighbouring Burundi.

The M23’s capture of Uvira was a major blow to them, as the city is only 27km (17 miles) from Burundi’s economic capital, Bujumbura, on the northern tip of Lake Tanganyika.

“AFC/M23 will unilaterally withdraw its forces from the city of Uvira as requested by the United States mediation,” Nangaa said in a statement, adding that this was being done to give the Qatar-brokered peace process the “maximum chance to succeed”.

He did not indicate when the withdrawal would take place, but called for the deployment of a “neutral force” to monitor a ceasefire and to prevent DR Congo’s army from regaining control of territory it had lost.

About 200,000 people have fled their homes in eastern DR Congo since the latest round of fighting started early this month, the UN says.

At least 74 people, mostly civilians, had been killed, and 83 others had been admitted to hospital with wounds, it added.

Eastern DR Congo has been wracked by conflict for more than 30 years, with numerous peace initiatives aimed at ending the fighting having failed.

The Trump administration hopes that its peace initiative will work and pave the way for US companies to boost their investments in the resource-rich region.

The US State Department said in 2023 that DR Congo had an estimated $25tn (£21.2tn) in mineral reserves.

This included cobalt, copper, lithium, manganese and tantalum – needed to make the electronic components used in computers, electric vehicles, mobile phones, wind turbines and military hardware.

The rebels began a major advance earlier this year when they captured Goma, the capital of North Kivu province, on the border with Rwanda.

At the time, South African troops were deployed to help DR Congo’s army, but they were forced to withdraw after the M23 seized the city in January.

Shortly afterwards the rebels captured the next big city in eastern DR Congo, Bukavu, capital of South Kivu province.

The move on Uvira – the government’s last major foothold in South Kivu – came after the rebels broke the defence lines of the DR Congo army, militias allied with it and Burundian troops.

The offensive started a few days before Kagame and Tshisekedi flew to Washington to ratify the agreement first hammered out in June.

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New Footage Shows Couple Confronting Suspected Gunman in Bondi

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new video loaded: Couple Confronted Suspected Bondi Gunman, New Footage Shows

Previously unseen dash cam footage captured the moment Boris and Sofia Gurman tackled one of the suspected Bondi Beach gunmen during the attack on Sunday, in which at least 15 people were killed — including the Gurmans.

By Monika Cvorak

December 16, 2025

Greece stocks end lower as Athens General Composite drops by 0.99% at closing bell

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Greece stocks lower at close of trade; Athens General Composite down 0.99%

Curry Surpasses Michael Jordan’s 40-Point Record at Age 30 – Basketball Insiders

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Golden State Warriors star Stephen Curry added another historic achievement to his already legendary career on Sunday night. At 37 years old, Curry recorded his 45th career 40-point game after the age of 30, surpassing Michael Jordan’s previous total of 44 to set a new all-time NBA record. This milestone came in a 136–131 loss to the Portland Trail Blazers, where Curry erupted for 48 points and knocked down 12 three-pointers.

Curry’s remarkable scoring night lifted him past one of the most iconic players in league history in a category that reflects both excellence and longevity. The milestone underscores his unique blend of shooting skill, endurance, and sustained performance deep into his late 30s.

Historic Scoring Spotlight

Curry’s 48-point explosion came in a high-tempo matchup in Portland, where he shot efficiently on both two-point and three-point attempts. He finished 16 of 26 from the field and delivered one of the most dominant individual offensive performances of the young season. With the 45th 40-point outing after age 30, Curry now stands alone atop the leaderboard for this specific NBA scoring mark.

The record reflects Curry’s ability to maintain elite offense well beyond the age at which most stars see declines. He has repeatedly shown that age has not diminished his scoring prowess — particularly from deep — and his ability to put up large point totals remains exceptional.

Curry Breaks Michael Jordan’s 40-Point Record at Age 30Curry Breaks Michael Jordan’s 40-Point Record at Age 30

Team Struggles Despite Individual Heroics

Despite Curry’s personal success, the Warriors could not secure the win. Portland countered Curry’s offensive barrage with strong team defense and timely shooting down the stretch. The loss dropped Golden State below .500 and highlighted ongoing inconsistency for a team that has leaned heavily on Curry’s scoring to stay competitive this season.

Still, Curry’s record-setting night provided a memorable highlight amid a challenging campaign. Even when the team struggles, he continues to deliver performances that reshape the historical conversation around scoring and longevity.

Legacy: Longevity and Scoring Prowess

Passing Michael Jordan in this category adds to a wider legacy of records Curry now holds. He previously passed Jordan with the most 35-point games after turning 30, and this new 40-point record further cements his place in NBA history.

Curry’s place among the all-time great scorers extends beyond just three-pointers. It reflects a career defined by consistency, deep range, creativity, and a willingness to shoulder heavy offensive loads for his team. That blend of skills has helped him set marks that may endure for decades.

As the season continues, Curry will likely add to this total and chase yet more scoring milestones. But even now, his record stands as a defining achievement in an extraordinary career.

2026 Ford F-150 Lightning offers an impressive 700-mile range extension

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Four years after Ford bravely electrified its best-selling vehicle, the F-150 Lightning pickup, it seemed ready to drop the model owing to slowing demand. Now, it turns out the company’s got other plans. It’s reengineering the flagship truck for 2026 as an extended range EV (EREV), with a gas generator in tow.

What that means is it’ll have a fully electric powertrain just like the current model year, but it will get additional range beyond what its battery usually affords it. That will come from an engine which runs on regular fuel and acts as a generator.

While the 2025 Lightning delivers an EPA-estimated range of up to 320 miles (515 km), the upcoming EREV version is slated to manage a whopping 700 miles (1,126 km) with a full tank and battery. Given that it’ll also serve as an electric power source for your home, tools, and appliances, the series hybrid system adds to the flexibility and practicality you’ll get with your truck.

Plus, since it will continue to be propelled purely by the electric drivetrain, the next Lightning will have the same instant torque on tap as the all-electric model for making light work of carting heavy loads and tackling difficult terrain.

EREVs aren’t very common in the US yet, but the next F-150, which is part of the best-selling range of vehicles in the country, could change that

Ford

We’ve seen EREVs take off in China over the last few years, and it seems like it would make sense for the US to begin adopting this tech more widely in the current political and economic climate. A federal EV tax credit that shaved thousands of dollars of the cost of electric cars across the country expired in September, and that’s partly to blame for a decline in EV sales in North America through 2025 – where global sales in the category rose by 21%.

Ford’s F-Series trucks lead the list of best-selling vehicles in the US, so it’ll be interesting to see if the love for the badge compels folks to check out the EREV next year. The company will cease production of the all-electric model by the end of 2025. If you’re keen on the upcoming range extender model, you can sign up on Ford’s site to receive updates on the 2026 F-150 Lightning.

Source: Ford

French court rules in favor of Kylian Mbappe, orders PSG to pay 60 million euros | Football News

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Paris Saint-Germain ordered to pay superstar forward now at Real Madrid unpaid salary and bonuses.

A Paris labour court has ordered Paris Saint-Germain to pay Kylian Mbappe 60 million euros ($70.6m) in unpaid salary and bonuses, bringing a partial end to one of the most acrimonious disputes in French football.

The ruling on Tuesday followed months of legal wrangling after the France striker took PSG to court over earnings he said were withheld for April, May and June 2024, shortly before he left the Ligue 1 club to join Real Madrid on a free transfer.

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“We are satisfied with the ruling. This is what you could expect when salaries went unpaid,” Mbappe’s lawyer Frederique Cassereau told reporters.

The court found PSG had failed to pay three months of Mbappe’s salary, an ethics bonus and a signing bonus due under his employment contract.

Those sums were recognised as due by two decisions of the French Professional Football League in September and October 2024, and the judges said PSG had not produced any written agreement showing Mbappe had waived his entitlement.

The judges rejected PSG’s arguments that Mbappe should forfeit his unpaid wages entirely but also dismissed several of the player’s additional claims, including allegations of concealed work, moral harassment and breach of the employer’s duty of safety.

The court did not view Mbappe’s fixed-term contract as a permanent one, a decision that limited the scale of potential compensation related to dismissal and notice pay.

‘Labour law applies to everyone’

“This judgment confirms that commitments entered into must be honoured. It restores a simple truth: even in the professional football industry, labour law applies to everyone,” Mbappe’s legal team said in a statement.

“Mr. Mbappe, for his part, scrupulously respected his sporting and contractual obligations for seven years, right up to the final day.”

PSG had argued that Mbappe acted disloyally by concealing for nearly a year his intention not to renew his contract, preventing the club from securing a transfer fee similar to the 180 million euros ($212m) they paid to sign him from AS Monaco in 2017.

Mbappe’s representatives said the dispute concerned the strict application of French labour law and unpaid remuneration rather than transfer policy.