Meta just admitted something it doesn't usually admit: it can't build everything itself. Bloomberg reports Meta is spending hundreds of millions of dollars a year renting AI models through Microsoft's Azure cloud, burning through trillions of tokens weekly, which makes Meta one of Microsoft's biggest AI customers despite Meta racing to build its own competing models. Neither company confirmed the numbers, but Meta's own CTO said back in July that the company happily rents outside models whenever price or capability makes more sense than building in-house.

Across the pond, a chip startup just got a valuation most companies would kill for, based on hardware that doesn't exist yet. British startup Fractile is in talks to raise $600 million at a $6.5 billion valuation, more than six times what it was worth in May, entirely on the strength of a $250 million chip supply agreement with Anthropic. The catch: those chips aren't expected to ship until 2027. Here's what else moved today, plus real roles you can apply to right now.

Meta shipped something today that's been missing from its AI push: a real Mac app. Meta AI now runs natively on macOS, with system-wide dictation and the ability to read whatever's on your screen and answer questions about it, using Meta's Muse Spark model.

• Meta AI landed on Mac today, with system-wide dictation and screen-reading built in.

• OpenAI previewed a new system explicitly built to outdo Anthropic's data retention policy.

• OpenAI hired a new chief revenue officer as more senior leaders head for the exit.

• A UK chip startup jumped to $6.5 billion on a future contract with Anthropic, before shipping a single chip.

• A Chinese robot maker's stock rocketed 542% on its first trading day

• Meta is quietly one of Microsoft's biggest AI customers, spending hundreds of millions yearly

…and a whole lot more that you can read about below.

Meta is spending hundreds of millions of dollars annually to access AI models through Microsoft's Azure cloud, consuming trillions of tokens every week, according to Bloomberg. That makes Meta one of Azure AI's largest customers, an awkward fact given Meta spends billions building its own competing models and infrastructure. Microsoft and Meta both declined to comment on the specific figures. The broader strategy isn't hidden, though: Meta CTO Andrew Bosworth said in July that Meta rents outside models whenever their price, availability, or capability beats building in-house.

• OpenAI just made its most direct competitive move against Anthropic in weeks, and it's about something most users never think about

how long AI companies keep your data. OpenAI is previewing Private Safety Processing, a system that watches for misuse across multiple conversations at once without retaining any of the underlying content, explicitly positioned against Anthropic's newer policy of holding onto conversations with its most capable models, Fable 5 and Mythos 5, for 30 days. OpenAI says that retention window is unnecessary; Anthropic says it's what makes catching multi-step attacks possible at all.

UK startup Fractile is in advanced talks to raise roughly $600 million at a $6.5 billion pre-money valuation, more than six times its $1 billion valuation from just three months ago, according to Bloomberg. The jump follows an initial deal to sell Anthropic about $250 million worth of inference chips, hardware built to run existing AI models faster rather than train new ones, with room to expand the contract later. The catch: those chips aren't expected to actually ship until 2027. Founded by Oxford roboticist Walter Goodwin, Fractile claims its "memory-compute fusion" design could run models up to 100 times faster than current hardware, claims that haven't been tested at scale since the chips don't exist yet.

Unitree Robotics, the Chinese company behind viral backflipping and dancing humanoid robots, saw its shares rocket as much as 629% above their IPO price on their Shanghai trading debut, closing the day up 542%. The company raised roughly $905 million in the offering, and its founder's personal stake alone is now worth more than $12 billion on paper. Nearly 9.8 million retail investor accounts competed for shares, with only a 0.018% allocation rate. Chinese AI company DeepSeek was even an early backer, putting in about $20 million ahead of the listing.

Founding Product Engineer, Full Stack | b12 Labs
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Build backend systems for the AI-assisted concierge service that helps seniors with rides, meals, and meds.

Senior/Staff Fullstack Engineer | WarpBuild
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Build the CI infrastructure that makes software development up to 10x faster.

Forward Deployed Engineer | Regbase
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Prevalent AI Raises $22M in Its First Outside Funding Ever

London-based Prevalent AI raised $22 million from Integrity Growth Partners, its first primary capital in nine years of operating profitably without outside investors. The company builds a data platform that helps enterprises give AI agents reliable, well-organized context to work from, addressing a problem Gartner says will cause more than 40% of agentic AI projects to get cancelled by 2027 due to poor data quality alone.

UK Chip Startup Fractile Valuation Surges

Semiconductor innovator Fractile has hit a valuation of $6.5 billion following a massive inference-focused hardware deal with Anthropic.

Samsung Hikes Chips Prices on AI Wave

Samsung Electronics has raised its foundry and chipmaking pricing by up to 15% due to an aggressive, sustained spike in global AI hardware demand.

Tross Obtains Pre-Seed Funding for Healthcare Data Layers

Digital health infrastructure startup Tross has closed its pre-seed funding round led by All In Capital and DeVC. The startup is building data layers that allow medical AI agents to securely connect with legacy Electronic Health Records (EHR) and US payer portals.

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The Mechanics: Post-Commit Agent Subscriptions

The newest background update to Cursor completely shifts how developers interact with AI agents by introducing state-retained task subscriptions. Instead of treating your chat like a one-time command, Cursor's cloud agents can now actively stay attached to your branch. The agent essentially goes to sleep after submitting your Pull Request, but wakes back up automatically the second a CI check fails or a review bot drops a comment—fixing the code without you ever opening the chat window again.

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