News 4 u.

AI

Google’s ToolGrad generates tool training data by building executable workflows first

AlphaSignal

Google Research’s ToolGrad constructs executable API workflows before generating the user requests and answers that describe them. The reported approach uses execution feedback to extend successful call chains, reducing wasted exploration when producing training data. Researchers report a 99.8% annotation pass rate and strong transfer to unfamiliar tools after fine-tuning Gemma models on ToolGrad-500. For developers, the potential benefit is cheaper specialized training data, although successful execution alone does not establish realistic user intent, authorization or production reliability.

Economy

US inflation holds at 3.4% as energy costs remain elevated

The Guardian

US annual inflation remained at 3.4% in August, unchanged from July, according to Bureau of Labor Statistics figures. Core prices rose 0.3% on the month and 2.4% over the year. Gasoline prices were 27.4% higher than a year earlier and contributed more than one-third of the overall monthly increase. Elevated energy costs keep pressure on household budgets and complicate the Federal Reserve’s upcoming rate decision, though the report does not establish what the central bank will do.

Deals & regulation

US lawmakers seek greater transparency in Apple’s British encryption challenge

The Guardian

Senator Ron Wyden and Representative Warren Davidson are urging Britain’s investigatory powers tribunal to disclose more about Apple’s challenge to government demands concerning encrypted data. Their letter targets proceedings following Apple’s fresh complaint in August. The dispute now concerns a narrower notice targeting British users after the original worldwide demand was withdrawn. The lawmakers argue that restrictions preventing Apple from briefing Congress obstruct legislative oversight, adding a diplomatic dimension to the encryption dispute.

World

New $15.5 million fund backs efforts to end female genital mutilation

The Guardian

The Her Horizon Fund has launched with $15.5 million to support efforts to end female genital mutilation, as donor support declines and legal protections face challenges. Seeded by the Wallace Global Fund and an anonymous donor, it aims to attract $100 million. Activists say direct funding could sustain local prevention and advocacy work. The initiative comes as funding for the principal UN programme fell 45% last year; its ambition to accelerate elimination remains an expectation, rather than a demonstrated outcome.

Reading room

Reliable LLM applications need output validation as well as retries

ByteByteGo

ByteByteGo's engineering guide argues that LLM applications must handle both failed requests and successful requests that return unusable or incorrect answers. It connects failure categories to bounded retries, schema validation, fallbacks, circuit breakers and workload controls. A payment example shows why repeating an operation after a lost response can duplicate a charge. The practical implication is to design recovery across the entire workflow, while recognizing that valid formatting alone cannot establish factual correctness.

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Sports in brief

NFL

Purdy leads 49ers past Rams in NFL’s Australian debut

The Guardian

From yesterday's late edition: Brock Purdy threw three touchdown passes as San Francisco beat Los Angeles in the NFL’s first regular-season game in Australia. The Melbourne Cricket Ground drew 100,021 fans. San Francisco’s defense frustrated Matthew Stafford and stopped a fourth-down quarterback sneak near the goal line, helping secure a dominant victory.

Darnold expected to miss time; Lock likely to start against Arizona

Following Sam Darnold's exit from Seattle's opener with a hip injury, ESPN now reports he is expected to miss time. Coach Mike Macdonald said his early expectation is that Drew Lock will start against Arizona on September 20. Macdonald described the test results as good news, with a clearer prognosis expected when practice resumes Monday.

Soccer

Mastantuono breaks Messi’s Argentine hat-trick age record

ESPN

Franco Mastantuono became the youngest Argentine to score a hat trick in Europe’s top five leagues as Fiorentina beat Venezia on Friday. Aged 19 years and 28 days, the Real Madrid loanee surpassed Lionel Messi’s mark by 231 days. These were his first goals for Fiorentina since arriving on a season-long loan last month.

Musiala scores on first Bayern start since preseason seizures

From yesterday's late edition: Jamal Musiala scored the opener in Bayern Munich's Champions League victory over Bodo/Glimt on his first start since collapsing during two preseason games. He had returned as a substitute the previous weekend after missing three matches while adapting to a medication change, according to coach Vincent Kompany.

West Ham rout Wrexham as recovery gathers pace

West Ham earned a fourth consecutive league victory with a commanding home performance against Wrexham. Six different players scored, with Jarrod Bowen opening the scoring and Manor Solomon completing the rout. Nuno Espírito Santo’s side have found momentum after failing to win their first three league matches following relegation from the Premier League.

NBA

Suns center Mark Williams to miss several months after shoulder surgery

ESPN

Phoenix center Mark Williams will miss several months after surgery Thursday to repair a torn labrum in his left shoulder, the Suns announced Friday. Williams suffered the injury during an offseason workout after signing a fully guaranteed three-year, $38 million contract. He played a career-high 60 games last season as Phoenix's starting center.

Ben Simmons agrees to one-year, $3.5 million Kings deal

Ben Simmons has agreed to a one-year, $3.5 million contract with Sacramento, his agents told Andscape and ESPN. The three-time All-Star missed the 2025-26 season while rehabilitating back and leg injuries. The Kings offered the deal after medical testing and workouts, with plans for Simmons to back up rookie point guard Darius Acuff Jr.

Elsewhere in sport

Townsend and Siniakova complete career Grand Slam together

Taylor Townsend and Katerina Siniakova won the US Open women's doubles title, rallying against Ashlyn Krueger and Robin Montgomery to complete a career Grand Slam as a pairing. Siniakova claimed her 12th major doubles title and became the first player to complete the career Slam with two different partners.

Zverev reaches third consecutive Grand Slam final

Alexander Zverev defeated Karen Khachanov to reach the US Open final, his third consecutive Grand Slam final. The French Open champion saved two set points in the third set and has not dropped a set since the second round. He will face either Ben Shelton or Frances Tiafoe for the title.