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星期三

  1. Mistral AI

    Mistral 如何用 AI 智能体迁移 4 万行 Fortran 77 遗留代码

    Mistral 帮助一家欧洲能源运营商把 4 万行 Fortran 77 的油藏模拟器迁移到 C++,做法是先搭建数值一致性校验框架,再用 AI 智能体整理文档并配合人工审核的分模块工作流。项目用自定义解析器生成调用树,通过 Vibe CLI 启动上百个智能体逐节点补文档并提交 PR,由定时运行的审查智能体复核。团队总结出三条经验:先建一致性校验再写迁移代码、先理顺文档再依赖智能体、结构化工作流加人工审核优于完全自主或纯手工。首个冲刺完成 30 万行中的 4 万行核心功能。

    an integer only because its name starts with a letter between I and N. Variable names are quite cryptic, as their length is capped to 6 characters. In C++, one will be able to leverage explicit types, write object-oriented code, and return a value returned instead of a global write: The scattered COMMON arrays become a single GasProperties parameter and the grid loop moved out to the caller, so there's no line-for-line correspondence to check, which is what makes verifying the migration hard. Th

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  2. Ahead of AI精选

    GPT-6 Astra、循环 Transformer 与隐藏推理链解析

    作者实测 GPT-6 Astra 后,分析其性能、计算机使用能力,以及循环 Transformer 是否会隐藏推理链。文章解释了循环 Transformer 通过重复使用相同权重增加有效深度,并指出 Astra 采用该架构仍未获官方确认,也没有充分证据表明循环机制会导致推理链更难监控。

    r very first reasoning models. We deeply care about this technique, as it can give us a view into how model alignment generalizes from its training distribution. I do think it is fragile and unfortunately trending in a negative direction, for reasons not contingent on architecture changes that I will write about soon. But there are things we can do to strengthen it, and it’s a core goal of our current research program. The “confused reporting” likely refers to The Information’s aforementioned pa

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星期六

  1. NVIDIA Developer · Generative AI

    NVIDIA 用 NemoClaw 构建记忆驱动的 Chief of Staff 智能体

    NVIDIA 团队用 NemoClaw 构建了记忆驱动的 Chief of Staff 智能体,通过 Markdown 自模型与 SQLite 账本分离证据与判断。在 Agent Memory Benchmark 上,自模型将整体准确率从 82.8% 提升到 90.9%,变化事实的跟踪率从 60.0% 提升到 100%。运行时由 NVIDIA OpenShell 沙箱管控文件系统、进程和网络访问,凭据留在沙箱之外,相关配方与设计提案已开源在 NVIDIA/nemoclaw-community 仓库。

    Technical Blog sessionStorage.removeItem('facets.search.text'); sessionStorage.removeItem('facets.search.text-copy'); sessionStorage.removeItem('facets.search.filters'); Sep 04, 2026 NVIDIA NemoClaw enables a memory-driven Chief of Staff agent that maintains a structured self model of people, projects, priorities, and working patterns across daily enterprise work. The self model stores derived knowledge in Markdown pages while a SQLite ledger records obligations, rankings, corrections, and audit

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星期四

  1. The Register

    实测16个模型识别蘑菇:最佳模型首猜准确率仅65%

    波兰软件工程师 Piotr Migdał 用1040张蘑菇照片测试16个模型,表现最好的 Gemini-3.8-flash 首次猜测准确率为65%,前五猜测命中率85%。Qwen3.8-27b 表现最差,首猜准确率13%,并把有毒蘑菇误判为可食用达36%。Migdał 指出危险误判并非随机,例如把致命丝膜菌认成鸡油菌,他警告不要因为 AI 说安全就吃下蘑菇。

    en the models got it wrong, boy did they get it wrong. “The dangerous ones are not random,” Migdał noted. “A deadly webcap was called a chanterelle - the same mistake that kills foragers.” The aptly named death cap mushroom was mistaken for edible 16 percent of the time, the fool’s funnel 48 percent of the time, and the fatal dapperling, often mistaken for its similar looking but safe relatives, 31 percent of the time, among others. False negatives were also noted, but there’s no harm in leaving

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星期三

  1. Meta Engineering Blog精选

    Meta 工程博客:如何构建从专家反馈中学习的组织级第二大脑智能体

    Meta 工程博客介绍了一个面向合规领域的 AI 智能体,把组织知识拆成 200 多个结构化文件,并用可组合的 recipes 分离知识与推理流程。专家反馈经诊断、编译、验证后以文本编辑形式落地,无需重训模型,每个修复都会自动加入回归测试集。系统在六周三个开发冲刺后,将单项评估耗时从数天缩短到数分钟,改进周期内零回归。

    h matters when the self-improvement loop proposes automated edits. A key architectural decision is how to partition knowledge between the curated wiki and supplementary retrieval (RAG). We split on information density and expected usage frequency. High-density, frequently referenced sources go into the wiki: Distilled files capturing how the organization reasons, such as positions, decision frameworks, boundary examples, and strategic interpretations. The agent consults these on nearly every tur

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星期一

  1. Amazon Science

    Amazon Science 介绍如何用 Verus 开发可证明正确的 Rust 代码

    Amazon Science 发文介绍开源自动程序验证器 Verus,它用数学规格机械检查 Rust 代码在所有输入下是否符合预期,弥补传统测试难以覆盖的边界情况。开发者可直接在 Rust 源码中用类 Rust 语法写前置与后置条件,通常不到一秒即可获得反馈,AI 智能体也能参与证明生成。Verus 还能对 Rust 的 unsafe 代码块和自定义锁方案的并发代码做数学验证,亚马逊已用它证明 Nitro Isolation Engine 关键原语及内部关键基础设施的正确性,开源项目如证书验证库、数据格式解析器和 Kubernetes 控制器也已采用。

    amming language, while its clever type system automatically prevents a variety of bugs and security vulnerabilities. The result is fast code that's more correct and secure than average. However, "more correct and secure" is not the same as "actually correct and secure". For example, in C, accessing an array out of bounds — indexing into an array past the boundary of the memory allotted to it — is a dangerous mistake that can have unforeseeable consequences. In Rust, it will halt the program, whi

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  2. Timothy B. Lee:Understanding AI

    我花 4000 美元买了一台中国机器狗:Unitree 如何把足式机器人做便宜

    作者花 4017 美元购入 Unitree Go2 Pro 机器狗并实测,认为它实用价值有限,但价格远低于几年前同类产品。文章梳理 Unitree 的低成本路径:四腿各三个同款电机、6.33 比 1 低减速比齿轮箱、自研电机与零部件,以及中国政府的税收优惠和公共机构采购支持。Unitree 已从四足扩展到人形,2023 年推出 H1、次年推出 G1,消费版起价 13500 美元;其 8 月 19 日在上交所上市首日股价涨超五倍,周一收盘市值 34 亿美元。美国方面,众议院两党法案拟限制中国机器人进口,FCC 也在 7 月出台针对外国制造机器人的新规。

    Unitree has also used quadruped robots as a stepping stone to another market that could be much more important — humanoids. Unitree launched its first humanoid robot in 2023. Leveraging its experience making cheap quadrupeds, Unitree is able to sell humanoid robots for as little as $13,500. That’s still way out of my price range, which is why I bought a robot dog instead. But it’s dramatically cheaper than any humanoid you could buy a few years ago. And the low cost has made Unitree a global le

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星期六

  1. LMSYS Blog

    SGLang 用 SSD Expert Pack 在消费级硬件上运行 DeepSeek-V4-Flash 与 Kimi-K3

    SGLang 发布 SSD Expert Pack 方案,把放不进显存和内存的路由专家权重留在 NVMe SSD 上,只按路由器选择读取专家,并用 direct I/O、pinned 缓冲和 GPU 缓存把 SSD 容量变成可用的权重层。在 Intel Ultra5 230F、32 GB 内存、TiPro9000 2 TB 磁盘和 RTX 5090 32 GB 的消费级机器上,DeepSeek-V4-Flash 相对 Ollama 基线在 Alpaca 和 MMLU 上 prefill 提升 2.28x 和 3.39x,decode 提升 6.92x 和 6.55x;Kimi-K3 相对 llama.cpp 的 prefill 提升 6.96x 和 5.80x,decode 提升 3.30x 和 3.52x。该路径不裁剪、不跳过专家,也不改变 Expert Top-K,属于显式开启的加载格式,需要额外 SSD 容量和数十分钟的 Pack 构建时间。

    Contents 1. Introduction: turning a VRAM problem into a storage problem; MoE computation is sparse, but model capacity is not; The capacity-cost difference; SGLang's SSD Expert Pack approach; 2. Why the native GGUF loading path is not enough; Why native GGUF cannot directly use expert-level O DIRECT; 3. Expert Pack: organizing weights by expert; Contiguous expert layout; Alignment is required for direct I/O; 4. The key optimization: removing the page cache - pinned memory copy; Traditional buffe

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星期五

  1. Together AI Blog

    GLM-5.3 与 GLM-5.3 Flash 在 DeepSWE 上的成本与编码对比

    Together AI 在 113 个 DeepSWE 任务上各跑 4 次、共 900 次 rollout,对比 GLM-5.3 与 GLM-5.3 Flash:单次通过率 69.0% 对 63.4%,pass@4 差距收窄到 2.6 个百分点(87.6% 对 85.0%)。GLM-5.3 Flash 每次 rollout 成本 0.24 美元,约为完整版的十七分之一,每 100 美元可解 264 个任务。先跑 Flash、测试不通过再升级到 GLM-5.3 的级联方案达到 80.9% 通过率,每任务 1.70 美元,低于完整版单独使用的 3.99 美元。

    ies the section: of the 48 tasks the full model solves four for four, not one becomes unsolvable in the Flash. Half stay perfectly solid; the other half only lose consistency. Coverage retention says the same thing: of the 99 tasks the full model solves at least once, the Flash still solves 93, or 94%. Distillation did not remove the ability to solve these tasks. It removed the reliability. A consistency loss, unlike a capability loss, is exactly what retries recover, which is why the pass@4 gap

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  2. LMSYS Blog精选

    LMSYS 公开 infer-forge:围绕 SGLang 的 Harness、Loop 与 Graph 工程方法

    LMSYS 发布 infer-forge 方法论文,介绍围绕 SGLang 的推理工程系统,由 MonoRepo、Harness、Task Loop 和 Task Graph 四层结构组成,用于让跨仓库的推理优化工作可复现、可验证。该系统为内部工程系统,并非 SGLang 或 LMSYS 官方组件,目前不开源,文章公开的是构建方法论,供团队交给 AI 编码工具并结合自身系统上下文搭建适配实现。文中给出使用记录:一位工程师 4 月至 7 月的在飞任务峰值从 2 个升至 9 个,DeepSeek-V4-Pro 服务项目中 38 个可独立验证的任务节点被组织成任务图。

    The inference deployment space stacks five layers of static configuration. Model shows Ling, Qwen, DeepSeek, Kimi, GLM, and MiniMax. Serving Scenario runs Modality (text, image, video) into Traffic Shape (input and output length, media count, resolution, QPS, concurrency, cache reuse) into SLO (TTFT, TPOT, throughput, E2E latency). Serving Topology separates Deployment Architecture—Colocated PD, PD Disaggregation, and EPD Disaggregation, each listing the node roles it is built from — Prefill and Decode together, then Prefill and Decode as separate roles, then Encoder alongside them — from Parallelism—TP, PP, DP, and EP—because the two are chosen independently. Versioned Runtime Profiles is a stack of tabbed cards labelled Service A rev. 12, Service B rev. 7, and Service C rev. 21, plus a fourth paler card behind them all, blank and showing only its top edge, whose narrow tab carries an ellipsis for the profiles not drawn, the front card holding an Engine Configuration and a Container I

    shape the concepts and methods behind infer-forge. References Vivek Trivedy — The Anatomy of an Agent Harness, LangChain, March 10, 2026; Ryan Lopopolo — Harness engineering: leveraging Codex in an agent-first world, OpenAI, February 11, 2026; Birgitta Böckeler — Harness engineering for coding agent users, Martin Fowler, April 2, 2026; Addy Osmani — Loop Engineering, June 7, 2026; Sydney Runkle — The Art of Loop Engineering, LangChain, June 16, 2026; Prithvi Rajasekaran — Harness design for lon

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星期四

  1. Linear:Now

    Linear 如何用 StyleX 改造 React 应用的样式系统

    Linear 通过超过 1,000 个 PR,将 React 应用从 styled-components 迁移至 StyleX,并以 codemod、AI 智能体和人工判断共同推进。测试显示,移除运行时样式注入后,重视图页面的主线程 CPU 工作减少约 20% 至 35%,中端设备速度提升约 30%。团队还通过 lint 规则、仓库级检查器和迁移追踪工具,约束样式接口、合并优先级及主题安全。

    Rows of white pixelated grid patterns on a black background, transitioning from dense solid blocks on the left to sparse scattered squares on the right.

    hatever we chose had to do the bulk of style generation at build time instead of while the app renders. It had to make styling at a distance deliberately difficult, not just discouraged by convention, while also giving components ways to expose clear styling contracts. Style merging had to be predictable across files without specificity games. And the library had to work well with React, be actively maintained and feel like a safe long-term bet. Developer ergonomics mattered too, and increasingl

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星期三

  1. Fireworks AI

    Fireworks 实测 DeepSeek V4 Pro 在 CyberGym 安全任务上的成本与通过率

    Fireworks 在 CyberGym 的 697 个共同有效任务上测试 DeepSeek V4 Pro 0813,其奖励率为 53.7%,每个成功任务成本 2.502 美元,约为 Kimi K3 的一半。Kimi K3 的奖励率最高,为 68.4%,但每个成功任务成本为 4.914 美元;GPT-5.5 的奖励率为 47.6%,每个成功任务成本为 9.641 美元;Claude Opus 4.8 的奖励率仅为 5.9%,每个成功任务成本为 33.275 美元。测试中,DeepSeek V4 Pro 在 840 个任务上全部产生原生工具调用,没有出现拒答或输出截断;一旦通过第一阶段验证,它完成完整补丁的比例为 94.7%。

    We ran DeepSeek V4 Pro through CyberGym alongside Kimi K3, GPT-5.5, and Claude Opus 4.8. We evaluated real vulnerabilities in real codebases, approximately 89 turns per task on average. What CyberGym actually measures for evaluating Deepseek Most coding benchmarks ask a model to write code that passes single tests. CyberGym represents a more real-world workload because it asks the model to break something real, then fix it. The benchmark was built at UC Berkeley from 1,507 real vulnerabilities a

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星期六

  1. Ahead of AI

    Claude 如何为 AI 生成文本添加水印

    Claude 在文本生成的采样阶段引入密钥控制的锦标赛采样,为输出留下可检测的水印,无需重新训练 LLM。检测需要 Anthropic 掌握的密钥和水印函数,可在不重新运行 LLM 的情况下对文本评分;随机修改足够多的词可能移除水印。作者推测,规避水印的二次改写流程可能让文本质量下降。

    ree functions. And the watermarking functions are very cheap. So you can just quickly run them on the whole text and get these scores. And then based on that, I can compute the average bits. So if I just average over all these values here, let’s say I get 2.23. Now, if I have slightly different text, so here I swapped “today” with “now” and “gray” with “overcast”. These now get a score of one and one. And if I average over this whole string, then I get a 1.71. And so for that, I don’t need an LL

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星期五

  1. Together AI Blog

    GLM-5.3 与 Claude Fable 5 在 DeepSWE 上的成本、编码与路由对比

    Together AI 在全部 113 个 DeepSWE 任务上各跑 4 次、共 904 次 rollout,GLM-5.3 与 Claude Fable 5 的 pass@1 分别为 69.0% 和 69.7%,基本持平。GLM-5.3 每次 rollout 成本 3.99 美元,Fable 5 为 21.63 美元,相差 5.4 倍,且 GLM-5.3 在 pass@2(81.1% 对 77.1%)、pass@4(87.6% 对 84.1%)和覆盖率上领先。两者逐任务相关性 0.65,属于近似替代品,作者建议多数场景默认用 GLM-5.3,仅在 Rust 和序列化相关任务上升级到 Fable 5。

    rst-shot accuracy at a fraction of the price, and it also holds the higher ceiling once retries are allowed. There is no attempt count at which paying 5.4x for Fable buys more coverage. At $3.99 a rollout, GLM-5.3 is 5.4x lower-cost than Fable at \$21.63: 17 solves per \$100 against Fable's 3. Fable is the most expensive configuration on the board, and the price does not come with a speed penalty for GLM. GLM-5.3 averages 35 minutes per rollout against Fable's 34, roughly even. The token profile

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  2. Together AI Blog

    GLM-5.3 与 GPT-5.6 Sol 在 DeepSWE 上的成本、编码与路由对比

    Together AI 在全部 113 个 DeepSWE 任务上各跑 4 次、共 904 次 rollout,对比 GLM-5.3(max)与 GPT-5.6 Sol(max)。单次尝试 Sol 以 72.7% 的 pass@1 领先 GLM-5.3 的 69.0%,但 GLM-5.3 每次 rollout 成本 3.99 美元、约为 Sol 8.37 美元的一半,并在 pass@2 追平、pass@4 以 87.6% 反超 85.8%。先跑 GLM-5.3、测试失败再升级到 Sol 的级联方案解决 85.9% 的任务,每任务 6.61 美元,高于 Sol 单跑的 72.7%,也低于一次 Sol rollout 的价格。

    of Sol's. At \$3.99 a rollout, GLM-5.3 is 2.1x cheaper than Sol (\$8.37), which in value terms is 17 solves per \$100 against Sol's 9. Sol buys that premium back on latency: an average 19 minutes and 61 steps against GLM's 35 minutes and 124 steps, with 60k output tokens to GLM's 80k. The tradeoff is unusually clean. Sol is the faster, terser worker; GLM-5.3 is the lower-cost one that takes the long route. If a human is waiting, Sol earns its premium on latency alone. If a budget or a batch queu

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星期二

  1. Hugging Face

    Sentence Transformers v6.0 支持多向量(Late Interaction)嵌入模型

    Hugging Face 发布教程,介绍 Sentence Transformers v6.0 新增的多向量(Late Interaction、ColBERT 风格)嵌入模型支持,通过 MultiVectorEncoder 加载 PyLate、Stanford-NLP ColBERT 与 ColPali 系列 checkpoint,并用 MaxSim 算子完成打分。文中给出编码、检索、重排、索引与评测的完整代码,并对比了索引开销:4,874 条 Natural Questions 段落产生 608,414 个 token 向量,约为 MiniLM 索引的 42 倍,压缩为 fast-plaid 索引后为 92 MB。同数据同骨干训练的 LateOn 与 DenseOn 在 13 个 NanoBEIR 数据集上平均相差约 1 个 NDCG 点,LateOn 在 9 个数据集上胜出。

    tion. When an exact match is what matters (a product code, a surname, a function name), MaxSim still has that token sitting there on its own, where a single-vector model had to average it in with everything else. It isn't one-to-one either, since several query tokens routinely settle on the same document token. You gain retrieval quality, particularly on queries where one specific piece of a document is what makes it relevant, on multi-requirement queries like the sofa above where each requireme

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  2. Together AI Blog

    DeepSeek V4 Pro 0813 与 GPT-5.6 Sol 在 DeepSWE 上的成本与编码对比

    Together AI 在 DeepSWE 全部 113 个任务上各跑 4 次对比 DeepSeek V4 Pro 0813 与 GPT-5.6 Sol:Sol 单次通过率 72.7% 领先 Pro 的 62.8%,但 Pro 每次 rollout 仅 0.24 美元,约为 Sol 8.37 美元的 35 分之一,pass@4 上 Pro 以 88.5% 反超 Sol 的 85.8%。先用 Pro、测试失败再升级到 Sol 的级联方案可解决 83.0% 的任务,单任务成本 3.35 美元,高于 Sol 单独使用的 72.7%,也高于理想单次路由的 80.8%。Sol 更快更简洁(中位 53 步、17 分钟、59k 输出 token),但失败时 20% 会破坏仓库原有测试套件,Pro 这一比例为 11%。

    median 146 steps and 35 minutes and emits 101k output tokens, versus Sol's tight 53 steps, 17 minutes, and 59k tokens. Sol is the fast, concise specialist; Pro reaches similar coverage the long way around. If a human is waiting, Sol earns its premium on latency alone; if a budget or a queue is waiting, nothing here is close to Pro. Decompose pass@1 into coverage and reliability and the split is clean. Sol is the precision corner: 84.5% reliability and 61 tasks solved four-for-four, the marks of

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星期一

  1. LMSYS Blog

    SGLang 详解 CUDA Graph 进阶技术:BCG 成为 prefill 默认方案

    SGLang 团队发布技术博客,介绍其围绕统一 runner/backend 接口重构的 CUDA Graph 支持,其中由 SGLang 首创并开源的 Breakable CUDA Graph(BCG)现已成为 prefill 的默认策略。BCG 用 521 行代码实现与 torch.compile 分段方案(1,771 行)相同的分段执行,构建 prefill 图快 3.8–5.2 倍;在 gpt-oss-120b(TP4,4×GB300)上,BCG 比 eager 快 1.70 倍,完整捕获达 1.93 倍。博客还介绍了 prefill 的完整 CUDA Graph 捕获、显存复用机制,以及与 Meta PyTorch 团队合作拆出的独立库 meta-pytorch/breakable-cuda-graphs。

    le-based piecewise backend in roughly a quarter of the code (521 versus 1,771 lines), builds prefill graphs 3.8–5.2× faster because no compilation is involved, and has broader coverage for complex functionality naturally. Full CUDA Graph for prefill goes further, using request padding to capture the whole forward even for dynamic prefill workloads. Measured on prefill alone, BCG is 1.70× faster than eager execution and full capture reaches 1.93×. Background An inference step is not a single kern

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星期三

  1. OpenRouter:Announcements

    OpenRouter 发布实时网页搜索基准:为智能体挑选合适的引擎、深度与模型

    OpenRouter 上线实时网页搜索基准页面,用 BrowseComp、DeepSearchQA、WideSearch 和 HLE 四套基准,在多个模型、引擎与搜索配置上按质量、性价比和速度排名。结论显示搜索预算的影响最大,从 1 轮提升到 25 轮大致让分数翻倍,成本增加 2.5 至 7 倍;模型差异平均 15 分,大于引擎差异的 10 分。用户可通过 web plugin、server tool、engine 和 max_tool_calls、max_results 等参数自行配置。

    Live Web Search Benchmarks: Pick the Right Engine, Depth, and Model for Your Agent

    rowseComp results at 25 turns, comparing frontier models versus budget models across search engines. Varying the engine while holding the model constant changed the score by an average of 10 points while the average gap between frontier and cost-efficient models was larger at 15 points. Across engines, cost varied most for frontier models, where the priciest engine cost 2.5x the cheapest, versus 1.5x for cost-efficient models. The reason a comparison like this is possible at all is that the serv

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星期一

  1. Linear:Now

    Linear 如何构建 Linear Agent

    Linear 介绍了 Linear Agent 的构建方法,通过系统提示词、工具设计、产品语义模型、运行范围和自研框架,在灵活性与可控性之间取舍。其系统技能按需加载提示词片段和工具,以控制上下文规模;自研框架则支持动态注入工具、按情境审批工具调用和异步执行子智能体。

    Abstract line illustration of overlapping solid and dashed ellipses within a rectangular grid, suggesting multiple possible paths constrained within a defined structure.

    uire only a small slice of Linear’s product surface, we introduced system skills as a unit of composition for the agent. Each system skill bundles together some basic metadata, a fragment of the system prompt, and a set of tools. Together, they represent an independent set of capabilities that can be progressively disclosed to the agent when needed. (This is separate from user-created skills, which users can author for their own workflows. Those are reusable instructions created on top of the ag

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