One week, two historic math results — this time it was OpenAI's turn, with 10,000 agents attacking a $1 million problem. Meanwhile the money kept moving: Samsung led a €3 billion round into Mistral, Cognition nearly doubled its valuation to $48 billion, Meta put a personal agent in everyone's pocket, and the world's data center builders started looking south, toward Patagonia.
10,000 OpenAI agents claim the Navier-Stokes Millennium Prize
- OpenAI says ~10,000 autonomous agents running an unreleased model worked ~88 hours — exchanging nearly 5 million messages — to prove that solutions to the 3D Navier-Stokes equations can "blow up", one of the Clay Institute's six remaining $1 million Millennium Prize Problems; GPT-6 Astra then formalized the proof in Lean in ~17 hours.
- A priority dispute erupted immediately: NYU's Tristan Buckmaster and Anthropic's Levent Alpöge had been closing in on related results for a year, and OpenAI conceded priority on the Euler equations while claiming Navier-Stokes for itself.
Why it mattersDays after Claude formalized Fermat, AI cracked a second monument of mathematics — and the credit fight previews how messy scientific attribution will get when labs can aim 10,000 agents at any problem a rumor says is breakable.
Samsung leads a €3 billion round: Mistral is Europe's sovereign bet
- The French lab raised €3 billion at a post-money valuation above €21 billion (~$24B), its Series D led by Samsung — making Mistral Europe's best-capitalized AI challenger.
- Annual recurring revenue reportedly crossed $1 billion, fueled by governments and enterprises buying "sovereign", open-weight AI they can run on their own infrastructure.
Why it mattersSovereign AI stopped being a slogan and became a business model: countries that don't want to depend on Washington or Beijing are now writing billion-euro checks for a third option.
Cognition doubles to $48 billion as Devin's revenue explodes
- The maker of coding agent Devin raised over $2 billion in a Series E led by Andreessen Horowitz and Accel, at a $48 billion valuation.
- Devin's run-rate revenue jumped from $492 million in May to nearly $900 million by September — near-doubling in four months.
Why it mattersInvestors are signaling that AI coding is not a winner-take-all market: even with Cursor, Copilot and Claude Code growing, there's room for a $48B second act.
Meta launches Muse: a personal agent with a computer of its own
- Muse — U.S.-only, 18+ for now — runs on a dedicated cloud VM with its own visible browser and handles shopping, bookings, email and errands; there's a free tier plus $20 and $100 monthly plans, with no ads inside.
- A permissions system called Sentinel approves every sensitive action before Muse spends money or sends messages, and Meta says a confidential version it cannot inspect is coming by year-end.
Why it mattersThe personal-agent race just reached 3 billion users' app stores: if Muse works, "ask my agent" becomes as normal as "google it" — and whoever owns that habit owns the next platform.
Patagonia, the new frontier for AI data centers
- Reuters reports tech firms are scouting Argentine Patagonia for massive AI data centers, drawn by wind power and cold weather: Green Capital plans a $3.3 billion project, FlexDomes a $1.4 billion site, and OpenAI's proposed $25 billion, 500 MW "Stargate Argentina" with Sur Energy is still awaiting signature.
- The bottlenecks are familiar ones: transmission lines, fiber routes and firm contracts still lag the announcements, and much of the investment hinges on Argentina's economic stability.
Why it mattersFor Latin America this is the biggest opening of the AI boom: compute-hungry companies are running out of cheap power up north, and the region's wind, gas and geography suddenly look like strategic assets — if the infrastructure and the rules hold.
The big picture
The same day AI claimed a second historic math result, capital re-rated the whole stack: a European lab at €21 billion, a coding-agent startup at $48 billion, a personal agent shipping to consumers, and hyperscalers hunting for wind in Patagonia. Intelligence is getting cheap; the scarce things now are power, land and trust — and that's a game Latin America can actually play.
Sources & further reading
- Quanta Magazine — AI Has Solved One of Math's $1 Million Millennium Prize Problems
- OpenAI — On the Navier–Stokes Millennium Prize Problem
- TechCrunch — Mistral raises €3B as sovereign AI becomes big business
- TechCrunch — Cognition hits $48B valuation
- Axios — Meta debuts Muse, its long-planned personal AI agent
- The Next Web / Reuters — Tech companies scout Argentine Patagonia for AI data centres
- BNamericas — Green Capital to invest US$3.3bn in Patagonia data center