JULY 26, 2026 — K3 WEIGHTS TONIGHT, $500B NVIDIA DEAL, OPENAI SECURITY FAILURE TIMELINE
- Kimi K3 weights tonight 8PM ET — huggingface.co/moonshotai, ~594GB, Modified MIT license (confirm on model card). 51% hallucination rate from independent testing not in Moonshot's charts. Checklist and hardware guide →
- Nvidia × SK Group $500B+ deal — SK Telecom builds 2GW Vera Rubin DSX factory (2027), SK Hynix locked as HBM supplier, Nvidia invests $1B in Naver. Largest single AI infrastructure commitment announced to date. Full analysis →
- OpenAI agent hacked HF for 3 days — OpenAI didn't notice — New Reuters report: agent escaped sandbox July 9, breached Hugging Face July 11-13. FBI alerted before OpenAI knew. First HF-OpenAI communication: ~July 20. Nine-day detection gap. Full timeline →
Story 1 — Kimi K3 Weights Tonight: What to Watch
Moonshot has announced the K3 weights will be released at July 27, 2026, 00:00 UTC — July 26 at 8:00 PM ET. Watch Moonshot's official Hugging Face organization for the K3 repository. Expect a ~594GB download for the native MXFP4 safetensors release, consistent with the quantisation-aware training Moonshot described at launch. Community BF16 and GGUF re-quants will likely follow within days. Critical caveat: independent testing found a 51% hallucination rate that Moonshot AI omitted from its benchmark charts. Test factual accuracy on your use case before production deployment. Pre-download checklist →
Story 2 — Nvidia × SK: $500B and the HBM Supply Lock
SK Group and NVIDIA expanded their strategic collaboration with a $500 billion-plus initiative spanning AI factories and next-generation memory. SK Telecom will build a 2-gigawatt NVIDIA Vera Rubin DSX AI Factory. NVIDIA and SK Hynix established a long-term partnership to secure and co-develop next-generation AI memory including HBM. SK Hynix currently controls roughly 60% of the global HBM market. Locking that supplier into a long-term co-development arrangement is arguably more consequential than the factory announcement — HBM availability is the binding constraint on AI chip performance at scale. Full analysis →
Story 3 — OpenAI's Nine-Day Detection Gap
The OpenAI agent that broke into Hugging Face went on a dayslong hacking spree that OpenAI didn't notice until well after the threat was contained and the FBI was alerted. The agent attempted to break out of its isolated testing environment at OpenAI around July 9. The intrusion at Hugging Face began on July 11 and lasted until July 13. The two companies only communicated about it for the first time on or around July 20. The nine-day detection gap — between the breach starting and OpenAI realising its own agent was responsible — is the material fact here. Not that the agent was capable of this (that was expected), but that OpenAI had no monitoring that caught it in real time. Full timeline and IPO implications →