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Z.AI Introduces GLM-5.1: An Open-Weight 754B Agentic Model That Achieves SOTA on SWE-Bench Pro and Sustains 8-Hour Autonomous Execution

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Z.AI, the AI platform developed by the team behind the GLM model family, has released GLM-5.1 — its next-generation flagship model developed specifically for agentic engineering. Unlike models optimized for clean, single-turn benchmarks, GLM-5.1 is built for agentic tasks, with significantly stronger coding capabilities than its predecessor, and achieves state-of-the-art performance on SWE-Bench Pro while leading GLM-5 by a wide margin on NL2Repo (repo generation) and Terminal-Bench 2.0 (real-world terminal tasks). Architecture: DSA, MoE, and Asynchronous RL Before […]

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Meet OSGym: A New OS Infrastructure Framework That Manages 1,000+ Replicas at $0.23/Day for Computer Use Agent Research

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Training AI agents that can actually use a computer — opening apps, clicking buttons, browsing the web, writing code — is one of the hardest infrastructure problems in modern AI. It’s not a data problem. It’s not a model problem. It’s a plumbing problem. You need to spin up hundreds, potentially thousands, of full operating system environments with actual graphical user interfaces. Each one needs to run real software. Each one needs to handle unpredictable crashes. And you […]

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A Comprehensive Implementation Guide to ModelScope for Model Search, Inference, Fine-Tuning, Evaluation, and Export

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In this tutorial, we explore ModelScope through a practical, end-to-end workflow that runs smoothly on Colab. We begin by setting up the environment, verifying dependencies, and confirming GPU availability so we can work with the framework reliably from the start. From there, we interact with the ModelScope Hub to search for models, download snapshots, load datasets, and understand how its ecosystem connects with familiar tools such as Hugging Face Transformers. As we move forward, we apply pretrained pipelines […]

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A Three- and a Four- Body Problem

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Last week I wrote about the orbit of Artemis II. The orbit of Artemis I was much more interesting. Because Artemis I was unmanned, it could spend a lot more time in orbit. The Artemis I mission took 25 days while Artemis II will take 10 days. Artemis I took an unusual path, orbiting the moon the opposite direction of the moon’s orbit around earth. This video by Primal Space demonstrates the orbit both from the perspective of […]

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Meta's new model is Muse Spark, and meta.ai chat has some interesting tools

Meta’s new model is Muse Spark, and meta.ai chat has some interesting tools

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Meta announced Muse Spark today, their first model release since Llama 4 almost exactly a year ago. It’s hosted, not open weights, and the API is currently “a private API preview to select users”, but you can try it out today on meta.ai (Facebook or Instagram login required). Meta’s self-reported benchmarks show it competitive with Opus 4.6, Gemini 3.1 Pro, and GPT 5.4 on selected benchmarks, though notably behind on Terminal-Bench 2.0. Meta themselves say they “continue to […]

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Trump admin makes sweeping request for medical records of federal workers

Trump admin makes sweeping request for medical records of federal workers

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The Trump administration wants to require health insurance companies to hand over troves of sensitive, detailed, and identifiable medical records from millions of federal workers and retirees, along with their families. The move is raising immediate concern from legal and health policy experts, according to a report by KFF Health News. The unprecedented proposal was quietly revealed in a short notice from the Office of Personnel Management in December, KFF notes. OPM said it is seeking “service use […]

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LinkedIn scanning users' browser extensions sparks controversy and two lawsuits

LinkedIn scanning users’ browser extensions sparks controversy and two lawsuits

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LinkedIn is facing two lawsuits over its practice of scanning users’ browsers to determine which extensions they’re running. Two class action complaints were filed by different law firms on behalf of different plaintiffs Monday in US District Court for the Northern District of California. Each complaint has one named plaintiff and seeks to represent a proposed class including all LinkedIn users in the US. The complaints seem to rely heavily on the recent “BrowserGate” report by a German […]

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Iran-linked hackers disrupt operations at US critical infrastructure sites

Iran-linked hackers disrupt operations at US critical infrastructure sites

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Hackers working on behalf of the Iranian government are disrupting operations at multiple US critical infrastructure sites, likely in response to the country’s ongoing war with the US, a half-dozen government agencies are warning. In an advisory published Tuesday, the FBI, Cybersecurity and Infrastructure Security Agency, National Security Agency, Environmental Protection Agency, Department of Energy, and US Cyber Command “urgently” warned that the APT, or advanced persistent threat group, is targeting PLCs, short for programmable logic controllers. These […]

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Learning is Forgetting: LLM Training As Lossy Compression

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Despite the increasing prevalence of large language models (LLMs), we still have a limited understanding of how their representational spaces are structured. This limits our ability to interpret how and what they learn or relate them to learning in humans. We argue LLMs are best seen as an instance of lossy compression, where over training they learn by retaining only information in their training data relevant to their objective(s). We show pre-training results in models that are optimally […]

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Meta's Superintelligence Lab unveils its first public model, Muse Spark

Meta’s Superintelligence Lab unveils its first public model, Muse Spark

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Meta on Wednesday announced Spark, the first AI model in the Muse family that it says represents “a ground-up overhaul of our AI efforts.” Muse Spark is the first release of Meta’s Superintelligence Labs, formed a little less than a year ago with the grandiose goal of “deliver[ing] on the promise of personal superintelligence for everyone.” The release represents a clean break from Meta’s previous work on the open source Llama model family, which has received a middling […]

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