AI Daily Brief — 1 September 2025
A genuinely quiet Monday — US Labor Day. OpenAI / Anthropic / Google / Meta / Microsoft / xAI all dark. Day’s one substantive story was applied-AI medical. Industry loading springboard for a blockbuster week.
Top stories
- Radboudumc OCT + AI predicts recurrent heart attacks. Radboud university medical center published research showing OCT imaging with catheter-mounted miniature camera, paired with AI, detects vulnerable arterial plaque as well as specialist labs (international gold standard) and predicts new infarctions/death within two years more accurately. Study covered 438 heart-attack survivors. Published European Heart Journal. via News-Medical
- US Labor Day — major US labs effectively quiet. September 1, 2025 was US Labor Day federal holiday. OpenAI, Anthropic, Google DeepMind, Meta, Microsoft, xAI made no notable product/model announcements. Week’s major news landed mid-week: Anthropic $13B Series F at $183B (Sep 2), You.com $100M Series C (Sep 3), Sierra $350M (Sep 4), Anthropic $1.5B authors settlement + China/Russia/Iran/NK majority-owned firm ban (Sep 5).
- Anthropic Series F at ~$183B closing in days that follow. Headline funding round of the week: Anthropic raised $13B Series F led by ICONIQ, Fidelity, Lightspeed (with BlackRock, Blackstone, Coatue participating). Tripling valuation to ~$183B. Announced Tuesday Sep 2 — press embargoes/preparation active across Sep 1. via TechFundingNews
- Anthropic $1.5B authors settlement preparing for Sep 5 filing. Bartz v. Anthropic class-action settlement — $3,000 per book across ~500,000 books, largest publicly reported US copyright recovery. Legal teams finalizing terms across the week. Announced Friday Sep 5. via NPR
- Alphabet’s Verily winding down medical devices, refocusing on AI + data infrastructure. Verily CEO Stephen Gillett’s late-August memo (TechCrunch Aug 26) on shutting medical devices program and pivoting fully to AI/data infrastructure ongoing trade-press coverage entering Sep 1 week. via TechCrunch
Who shipped
Radboudumc shipped a paper. US frontier labs shipped silence — Labor Day holiday.
Open-source pulse
Industry framing — trade press entering September 1 framed the month as rise of AI agents performing real-world tasks (planning, automation, decision-making), and the run-up to OpenAI/NVIDIA $100B partnership announcement later in the month. via Launch Consulting
Money, infra & hardware
Behind the scenes, the AI industry loaded the springboard for what would become a blockbuster week — Anthropic Series F, You.com, Sierra all closing within days.
Quiet corners
Verily wind-down (announced Aug 26) and Tesla Master Plan Part 4 pivot to AI/robotics were rolling narrative threads. Day-of itself: one notable applied-AI medical paper; everything else preparation for frantic Tue-Fri.
By the numbers
- 438 / 2 years — Radboudumc heart-attack survivors / prediction window
- Sep 2 / Sep 3 / Sep 4 / Sep 5 — Anthropic Series F / You.com / Sierra / Anthropic settlement dates
- $13B / $183B — Anthropic Series F / valuation
- $1.5B / 500,000 / $3,000 — Bartz settlement / books / per-work
- Aug 26 — Verily medical-device wind-down announcement
Compiled by AI Feed’s editor from verified web sources for 1 September 2025.