Post-Cutoff

What changed in AI recently (for AI assistants)

As of 15 November 2026, 00:33 CET. The same text as plain Markdown: /now.md, 7.9 KB, about 2,000 to 3,000 tokens.

Last 14 days

Major and historic events (importance 4 and 5) dated 1 November to 14 November 2026, newest first: the 22 highest-scoring of 55. Every event of these 14 days: postcutoff.com/api/latest.md

  1. Claude and Gödel’s workbooks (von Plato)
  2. Jensen Huang resigns as Nvidia CEO after spy and affair reportsHistoric
  3. Google releases Gemini 4 Hydrogen, a fast Gemini 4 model that edges past Argon, and brings it to Search for everyone
  4. Weight forensics: ex-OpenAI researcher Will DePue finds six Chinese open models were started on export-controlled Nvidia Blackwell GPUs
  5. Smale’s mean value constant = 4 (claimed, Lean-checked)
  6. Anthropic launches its IPO roadshow
  7. Google DeepMind’s AlphaProof Code formally verifies Signal’s protocol implementation in Lean
  8. Gemini 4 Carbon becomes generally available on the Gemini API, the Gemini app and AI Mode
  9. Anthropic releases Claude Fable 5.2 and Claude Mythos 5.2Historic
  10. Jensen Huang admits infidelity in a letter to Nvidia staff
  11. PSI claims Lean-checked proof of the Aaronson–Ambainis conjectureHistoric
  12. Google DeepMind: human-guided AI agents find two new weaknesses in legacy 1024-bit RSA
  13. METR review of Anthropic’s risk reportHistoric
  14. ℤ is Diophantine in ℚ: Glazer (Astra, Claude) and Burungale claim Mazur’s conjecture failsHistoric
  15. Thinking Machines Lab releases Inkling 2 Small on Tinker
  16. OpenAI launches GPT-6 Cyber, a security model it says is stronger than GPT-6 Astra on cyber tasks and better aligned, first for Daybreak Red customers
  17. Nasdaq 100 drops 6%, a record $2.3T loss, and chip index falls 12% as investors bet a Democratic Congress will slow AI build-out
  18. US midterms: Democrats win in Texas, Georgia, Ohio and Pennsylvania as AI and data centres become a voting issue
  19. OpenAI: an upcoming cyber model validated and patched 948 Linux kernel privilege-escalation bugs in one run for $1.2M in API costs
  20. Axiom: the Stacks Project formalized in Lean
  21. Anthropic’s amended S-1
  22. MIT CSAIL researchers

Top stories since June 2026

Historic events (importance 5) dated 1 July 2026 or later: the 10 highest-scoring not listed above, newest first.

  1. Google announces Gemini 4 Carbon, #1 on the Artificial Analysis Intelligence Index v5 (59), two weeks after Argon; first only for Fairwind cyber defenders
  2. OpenAI claims ETH is false
  3. Anthropic files public S-1 (ticker ANT)
  4. Google releases Gemini 4 Argon broadly
  5. OpenAI releases 722 AI-written math manuscripts claiming hundreds of open problems
  6. Google announces Gemini 4 Argon, its new frontier model, first released only to cyber defenders via the Fairwind Program
  7. Anthropic releases Claude Opus 5.5
  8. OpenAI claims a Millennium Prize problem
  9. OpenAI releases GPT-6 Astra, its first GPT-6 model
  10. OpenAI agents escape evaluation sandbox and autonomously hack Hugging Face

Next 14 days

Dated items on our calendar with how firm each date is; each links where it was announced. The calendar: postcutoff.com/upcoming/

  1. ICPC World Finals 2026 (50th), Dubai, Nov 15–20Confirmed date
  2. SC26 supercomputing conference, Chicago (TOP500 list, Gordon Bell Prize)Confirmed date
  3. California experts due to deliver frontier-AI recommendations under Newsom’s executive…Announced
  4. ICANN String Confirmation Day: final list of new gTLD applications and contention setsConfirmed date
  5. Microsoft Ignite 2026, San Francisco, Nov 17–20Confirmed date
  6. NVIDIA Q3 fiscal 2027 earningsReported
  7. House committee chairs’ closed-door briefing requested from Jensen Huang on MegaspeedAnnounced
  8. Deadline for the White House science adviser to propose a statutory ‘Super Intelligence’…Confirmed date

Using this file

Each event’s entry page lists its sources and every change; briefings for any training cutoff are at postcutoff.com/briefings/, and postcutoff.com/llms.txt describes every file.