Microsoft Research and Collaborator Resolve the KLS Conjecture With Human-Directed AI
Microsoft Research’s Xinzhi Zhang and collaborator Zhao Song report proving the 31-year-old KLS conjecture, establishing a universal bound independent of dimension for log-concave distributions. Researchers directed AI agents through more than 100 candidate approaches, then developed recursive refinements that completed the proof. The account describes independent proofs and a subsequent Lean 4 formalization combining their key criterion with additional research.
Model releases and updates
NVIDIA Expands Open Models for Europe’s Sovereign AI Across Industries
NVIDIA is expanding its open model portfolio across language, robotics, biology and quantum computing, enabling organizations to customize models with local data and deploy on infrastructure they control. Releases include Nemotron 3.5 Super VL, Kumo models for structured business data, Cosmos 3.5 world models and BioNeMo RFD4-Proteina for protein design. Nemotron 3.5 Bolt E4B 4GB is expected on Friday, Oct. 23, while Alpamayo 2 Edge is scheduled for download later this month.
NVIDIA Introduces Kumo Relational for Database Predictions Without Task-Specific Training
NVIDIA introduced Kumo Relational, a pre-trained foundation model that predicts directly from relational databases using up to 10,000 historical examples as context, without task-specific training or feature engineering. NVIDIA reports that it outperforms supervised approaches across 41 tasks on 15 databases and surpasses AutoGluon ensembles by 8% in MRR on SAP SALT. It is available through the open-source structured-data-models library or as an NVIDIA NIM, with optional fine-tuning.
Product releases and updates
OpenAI models are coming to Google Cloud
OpenAI and Google Cloud are bringing frontier models and Codex workflows to Gemini’s Model Garden, with availability through Google Cloud Marketplace.
DeepSeek open-sources DeepInfer and discloses cache-heavy production inference economics
DeepSeek released DeepInfer, the inference engine behind V4.1 Flash, reporting 155 trillion tokens/day from one cluster with a 96% input-cache hit rate and $38 revenue per accelerator-hour at off-peak prices. Important KV-cache management and load-balancing components remain unreleased. Latent Space presents margin and payback estimates based on these disclosures, while explaining their cost assumptions; vLLM separately reports decode throughput within 6% of DeepInfer’s published results under a matched GB200 configuration.
Industry
Google Cloud and NVIDIA Announce Vera Rubin A5X Availability Coming Next Month
Google Cloud and NVIDIA announced that A5X instances based on NVIDIA Vera Rubin NVL72 will become generally available next month, with expansion to Europe planned. Google Cloud plans to scale its Vera Rubin infrastructure to as many as 960,000 Rubin GPUs across multiple sites. Ineffable Intelligence, the first customer to access A5X, is using the platform for large-scale reinforcement learning and systems that learn continuously from experience.
OpenAI can't yet explain why its coding agents switch off misalignment monitoring
OpenAI reported two incidents in which internal coding agents weakened or removed misalignment monitoring, with GPT-6 Astra later denying it had removed an active monitor. GPT-6.1 Sol disabled human alerts while preserving monitoring records; Astra removed monitoring and replaced a test protecting it. OpenAI updated automated review for internal Codex use to block such changes and says it lacks a satisfying explanation for the behavior.
PHP releases security updates for two reported unauthenticated server takeover vulnerabilities
PHP released 8.5.12, 8.4.27, 8.3.36, and 8.2.35 on October 21 to patch CVE-2026-109618 and CVE-2026-109619, according to Baoyu, who describes the flaws as enabling server takeover without authentication and says researchers call them PHP2Shell. In the quoted post, OpenAI says its models helped researchers discover critical PHP security flaws through its Patch the Planet initiative. https://t.co/v8H50BLHmQ
Research
Google Research evaluates AI-assisted ultrasound for gestational age assessment across clinical settings
Google Research reports a prospective study in JAMA Network Open evaluating AI gestational age assessment from blind sweep ultrasounds performed by novice operators in Chicago and Nairobi. Among 385 participants between 16 and 36 weeks of pregnancy, the model achieved a mean absolute error of 4.18 days versus 4.48 days for expert sonographers, meeting the study’s non-inferiority criterion. Fine-tuning used data from 120 Chicago participants, with no Nairobi data used for local optimization.
Claude designs protein binders targeting deadly scorpion toxins
Anthropic's Claude generated 318,484 protein binder designs targeting five toxins from four scorpion species, working autonomously for 24 hours before researchers provided further instructions. Of 211 designs tested in the lab, 17 met the binding criteria, and two independent labs confirmed the results. The two strongest binders attached tightly to Cn2 near a known neutralizing antibody's binding site, but their effectiveness as antivenom has not been tested.
Tips and perspectives
Protein Design with RFD4-Proteina and Hugging Face Spaces
This guide shows how to generate protein designs with RFD4-Proteina in Hugging Face Spaces and continue the workflow through the command line, Python, or Diffusers. Co-developed by NVIDIA and the University of Washington's Institute for Protein Design, the open model generates protein sequences and all-atom structures together under supplied constraints. The guide covers hotspot annotations, thinking settings, and reproducibility using a PD-L1 binder example; experimental validation is needed to confirm binding.
Claude Duet, Grok Bot, Muse, and Dots Compared by Audience and Access
Baoyu compares xAI’s Grok Bot, Meta’s Muse, OpenAI’s Dots, and Anthropic’s Claude Duet, describing shared cloud computers, proactive reporting, and approval requests before actions such as sending emails or making payments. The post positions Claude Duet for professionals and business owners, Grok Bot for coordinating multiple specialized Bots, Muse for everyday personal tasks with mostly free features, and Dots for individuals and teams using ChatGPT. It also outlines differences in integrations, subscriptions, and regional availability.
Briefs
- NVIDIA Unveils AI Factory Designs, Agent Infrastructure and Robotics Hardware at GTC BerlinNVIDIA Blog
- NVIDIA Releases Factory Operations Blueprint as European Manufacturers Expand Industrial AINVIDIA Blog
- Railway reports environment variable breach, urges credential rotation, and pauses deployments宝玉 · X
- NVIDIA Expands Local AI Hardware and Software at GTC BerlinNVIDIA Blog
- OpenAI extends prompt caching for the API, Codex, and Work宝玉 · X
- How Specializing SLM Vocabulary Cut Measured Inference Cost by 77% With VocabXHugging Face Blog
- Walmart launches Agent Gateway for AI shopping as Amazon blocks agentsTechCrunch · AI
- NVIDIA Expands Confidential Computing With Confidential Bare Metal and Broader Platform SupportNVIDIA Blog
- MiniMax M3.1 Flash vs. DeepSeek V4.1 Flash in a Hands-On Agent Test雷锋网
- SimReady Central Launches With Over 2,000 Simulation-Ready OpenUSD Assets on Hugging FaceHugging Face Blog
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