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AI NewsOpenAI forms math advisory group as its AI resolves more than 100 open problems

OpenAI forms math advisory group as its AI resolves more than 100 open problems

2:32 AM IST · September 22, 2026

On Monday, OpenAI announced a new independent advisory group hosted at the Institute for Advanced Study in Princeton, New Jersey. Called theAdvisory Group on Mathematics and Artificial Intelligence, the group is meant to give mathematicians more input into the company’s math-oriented research. “This group will serve as a bridge to the mathematical community and broader public, giving mathematicians a voice in how we move forward,” the post reads. The announcement comes after the abrupt publication ofa solution to the Navier-Stokes Millennium Prize problem. As part of the announcement of the new group, OpenAI also claims that the same internal model has resolved more than 100 additional open problems across most areas of mathematics. Many prominent mathematicians have taken issue with the frenzied pace of those results. Earlier this month, 25 Fields Medal-winning mathematicians signedan open letterarguing that AI labs are threatening their intellectual work as they seek to one-up each other with solutions to famous math problems. True to its name, OpenAI’s new group will mostly serve in an advisory capacity, assessing the significance of new results and coordinating their release. While members won’t be paid, they can offer unsolicited advice, go public with their views, and control their own membership, giving them a measure of independence from the company. However, the group won’t be given leeway to slow down or redirect OpenAI’s ongoing mathematical research. As the blog post puts it, “the group will not be responsible for advising us on how to pace our internal progress on mathematics.” The Institute for Advanced Study emphasized this point in its own announcement. “Although we will give advice, we do not have decision making power at any AI company, and the responsibility for the decisions made by any company will rest with that company,”saidthe institute in a press release. Nine prominent mathematicians have been named as initial members of the group. Notably, only one of the members — IAS’s Camillo De Lellis — also signed the Fields Medalists’ letter.

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Meta’s AI agent has been blocked from using Amazon.com

Sunday night, users of Meta’s AI assistant Muse started getting a strange error message when they tried to buy goods on Amazon.As spotted by GeekWire, the error message read: “Continued access by an unauthorized AI agent violates Amazon’s Conditions of Use, to which our customers have agreed.” In other words, Muse isn’t welcome as a shopper — and anyone trying to buy something on Amazon through the AI agent will have to find it somewhere else. It’s easy to see the block as a tête-à-tête between tech giants. Amazon hasits own cohort of foundation models, after all, along withone of the most popular inference platforms on the internet. As long as they’re under no legal obligation to open the doors to Muse, why would they? But there are also substantive reasons Amazon might not want to be in the agentic commerce business just yet. If Muse makes a bad order, Amazon is going to be the one to clean it up — dealing with both the angry customer and the angry vendor. Muse hasone of the lower hallucination rates, as AI models go, but it’s still pretty far from zero. Even if Amazon sees an opportunity in agent-driven commerce, they may want to wait a few more release cycles before rolling anything out.

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Meta’s Muse is outpacing ChatGPT’s early mobile launch

Meta’s latest AI app, Muse, could be the social giant’s next major hit, new data suggests. According to just- released estimates from market intelligence providerApptopia, Muse’s app on mobile devices has been downloaded more times during its first 12 days on the market than ChatGPT was in the 12 days after its debut. (This data compares the U.S. and Canada markets only.) Muse also has more daily active users than ChatGPT had at the time, the firm found. Until now, it had been difficult to make an exact apples-to-apples comparison between these two apps, given that they had pursued different launch strategies. When ChatGPT arrived on mobile, it was made available globally, but only on iOS. Muse, meanwhile, is available across both Apple’s App Store and Google Play, but only in the U.S. and Canada. To better align the numbers for comparison, Apptopia looked only at the iOS data for the U.S. and Canada for both apps during the first 12 days of their respective launches. In this subset of the data, Muse has now seen 1.8 million downloads to ChatGPT’s 1.3 million. Overall, Muse has seen 2.8 million total installs globally in its first 12 days, the firm also said. Its growth hasn’t yet stagnated, either; Muse has moved up from its original position as No. 2 overall on the U.S. App Store immediately after its launchto now No. 1, asBusiness Insider reportedon Friday. That jump put the app higher than ChatGPT, the outlet noted. Another firm,Appfigures, said at the time that Muse had then crossed 1 million downloads. In addition, Apptopia’s data indicates that Muse’s U.S. daily active users are now higher than they were for ChatGPT at the same point after its launch. When comparing just the U.S. mobile app daily active users, Muse comes in higher with 642,000 daily users compared with 231,000 for ChatGPT at the time. To be fair to the fact that Muse is available across both iOS and Android, while ChatGPT launched on iOS only, Apptopia narrowed the comparison to iOS alone. Yet, even here, Muse is coming in higher, with 359,000 daily active users on iOS, still above ChatGPT’s figures from that time period. Apptopia can only provide third-party estimates about an app’s downloads and active users; it doesn’t have direct access to Meta’s internal figures. But even if these numbers are only correct from a general “ballpark” perspective, they indicate that Muse could have a shot at becoming Meta’s newest top app. Meta already perfected its cross-promotion strategy when it launched Instagram’s Threads, whichnow has 500+ million users,thanks to heavy marketing and integrations in Meta’s largest apps, including Instagram and Facebook. Muse is likely to get a similar push, given that the AI app can connect with both of those platforms. It also works inside WhatsApp, so that could give it another boost. While Apptopia doesn’t have visibility into Meta’s cross-promotion efforts or ads directly, it did note that over 95% of Muse’s users are also Facebook users and 63% are Instagram users. Meta, which has been asked for comment, has not yet shared public figures related to Muse’s early adoption. Correction: An earlier version of this article referenced the analytics firm Appfigures as a source for data from Apptopia. This has been fixed.

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Discover what’s next: 5 days left to save up to $200 on your TechCrunch Disrupt 2026 ticket

With five days left to save up to $200 on yourTechCrunch Disrupt 2026pass, each day we will list a reason why you should join 10,000+ founders, investors, and operators at San Francisco’s Moscone West on October 13-15. Grab your ticket savings before prices go up on September 25 at 11:59 p.m. PT. Plus, get a second of the same ticket type at 50% off.Register now. Part of the value of Disrupt has always been finding breakouts early. The startup you haven’t heard of yet. The technology moving from experiment to real product. The founder attacking a problem in a way you hadn’t considered. Or an emerging category that suddenly looks much bigger once you see several companies building around it. Startup Battlefield 200puts 200 TechCrunch-selected early-stage companies in one place, giving you three days to see what a new generation of founders thinks is worth building, and what investors are looking to add to their portfolio. Early-stage startups can be useful signals. Look across enough of them, and you start to see where founders are finding opportunity, which technologies are becoming accessible, which old problems are being attacked in new ways, and where completely new markets might be taking shape. At Disrupt, all 200 Startup Battlefield startups exhibit, so you can go beyond the company description. Meet the founders. See the product. Ask why they’re building it. Find out who they’re building it for. Understand what they think the rest of the market is missing. For investors, that can mean new deal flow and emerging categories to watch. For founders, it’s a chance to see what other early-stage teams are building and how they’re approaching the market. For operators and tech leaders, it can mean discovering a future supplier, partner, or solution before it reaches the wider market. Sometimes discovery is about finding a company. Sometimes it’s about spotting the pattern behind several of them. From the top 200 companies, 20 will take theDisrupt Stageto pitch live in front of leading investors and the TechCrunch community. One will ultimately take home the Disrupt Cup and $100,000 in equity-free funding. Explore all the Startup Battlefield onstage sessions on theDisrupt agenda. But the value of watching goes beyond who wins — you get to see emerging companies explain why their problem matters, why their approach is different, and why they believe they can build something much bigger. Then you hear the questions investors ask in return. For anyone building, backing, or evaluating startups, it’s a fast way to understand what turns an interesting idea into a company people want to pay attention to. Don’t miss this intense pitch competition and the opportunity to see who’s making waves next in the tech industry.Register now to save up to $200, and bring your colleague, co-founder, or partner with you at 50% off their ticket. Startup Battlefield alumniinclude companies that went on to become familiar names across the technology industry, including Dropbox, Discord, Cloudflare, Fitbit, Mint, and Trello, with a collective total fundraising of $32 billion since this program started. Nobody knows which members of the 2026 class will follow that path. Discovery is most valuable before the answer is obvious. Meet these 200 hand-picked startups. Talk to companies outside your usual sector. Watch the finalists pitch on the Disrupt Stage. Look for the technologies, business models, and problems that keep appearing. You might find your next investment, partner, or product. You might spot an emerging market before it reaches your everyday feed. Or you might simply find one startup that changes how you think about what comes next. CurrentTechCrunch Disrupt 2026ticket savings end September 25 at 11:59 p.m. PT.Register nowto save up to $200 on your pass and save 50% on a second pass. Or bring a group of four or more to save up to 30%. Five days to save. A multitude of reasons to join 10,000+ tech leaders in San Francisco. Learn more about all of Disrupt’s activations and the reason it’s been the startup epicenter for at least 15 years.Grab your ticket before prices go up.

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