Here is the rundown.
🔬 1. OpenAI: OpenAI announced AI‑generated results that reportedly prove the local smoothing conjecture, which resolves the Kakeya conjecture (announced).
https://champaignmagazine.com/2026/11/01/ai-by-ai-weekly-top-5-october-26-november-1-2026
🚀 2. Hy4: Tencent announced the Hy4 AI model, which it says is trained only on defensive cybersecurity data and excludes material on building hacking tools or harmful biology (announced).
https://www.reuters.com/legal/litigation/tencent-rolls-out-ai-model-trained-with-limited-cybersecurity-data-amid-hacking-2026-11-04
🚀 3. Together Compiler: Together AI announced the Together Compiler, which employs AI agent teams to rewrite GPU code for open‑source models, allowing faster overnight improvements without extra customer effort (announced).
https://www.hpcwire.com/aiwire/2026/11/04/together-ai-launches-together-compiler-for-continual-optimization-of-open-source-ai-models
💰 4. Sentra: Sentra reportedly raised $150 million in a Series C round in November 2026 (reported).
https://aifundingtracker.com/generative-ai-funding-statistics
💰 5. Fal: Fal has reportedly doubled its valuation to $16 billion after a $1.3 billion financing round led by Bessemer Venture Partners (announced). The startup previously raised $350 million at an $8 billion valuation (reported).
https://www.bloomberg.com/news/articles/2026-11-03/ai-inference-startup-fal-raises-capital-at-16-billion-valuation
💰 6. Upwind: Upwind reportedly completed an expanded financing of $400 million in October, as announced by the cloud‑security firm (announced).
https://www.calcalistech.com/ctechnews/article/d1lau0oxq
🚀 7. Images 2.6: OpenAI announced Images 2.6 for ChatGPT, Codex and the API, adding animated looping GIF creation and claiming up to 50% faster generation, with some low‑quality images produced in about six seconds (announced).
https://patmcguinness.substack.com/p/ai-week-in-review-261107
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