Published signals

Signals

Browse the published AI technology signals and decide which to read first.

Titles and summaries are in English where the source is; the editors' notes and signals from Chinese sources are in Chinese.

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Tool · 2026-10-01Worth tracking

Introducing Olmo-core 3: Open, scalable training infrastructure for large MoEs

Introducing Olmo-core 3: Open, scalable training infrastructure for large MoEs

Why it matters能训练万亿参数 MoE 的训练代码,大多数实验室都不公开。Olmo-core 3 把并行方案、低精度训练和实测数字一起开源,别人可以照着复现。它自己也说清楚了局限:万亿参数那次只证明能扩到多大,不是持续训练的性能。

For 训练或继续预训练 MoE 模型的研究团队、负责大规模训练集群效率的基础设施工程师

Tool · 2026-09-01Worth tracking

BenchMIRT: What are LLM benchmarks actually measuring?

A new method for auditing LLM benchmarks at the level of individual prompts, using multidimensional item response theory.

Why it matters这个站已经反复记录过「这把尺子有没有量过别人」这一问。BenchMIRT 往前推了一层:就算尺子干净、没人提前看题,一个基准分数仍然可能主要由另一种能力驱动。它把这件事从直觉变成可测量的量——并且用一次不预设答案的分析,独立地把两个维度找了出来。

For 要为自己的系统挑选或裁剪评测集的评估负责人、在读厂商公布的安全类分数并判断其含义的技术决策者

Tool · 2026-08-07Worth tracking

TutorMoments: Do AI tutors know when to help and when to hold back?

A replay-based evaluation built off real one-on-one math tutoring sessions, measuring whether LLMs can balance when to step in and when to hold back.

Why it matters它把「该不该出手」做成了可测量的对象,而这正是智能体产品里最常见、也最难被现有评测捕捉的一类失败——模型倾向于产出而不是克制,而绝大多数评测只奖励产出。回放式评测这个方法本身可以直接搬到任何需要判断「此刻该不该行动」的任务上。

For 在设计智能体评测的团队:回放式评测是一个可直接复用的方法样本、做需要克制的产品的团队——该问的时候别替用户决定、该停下的时候别继续

Workflow · 2026-07-15Worth tracking

What building Shippy taught us about building agents

Ai2's Skylight team shares engineering lessons from Shippy, a maritime-domain-awareness agent serving analysts in 70+ countries, and open-sources the OpenClaw agent framework, the Harbor evaluation framework and the Mothership hosting platform.

Why it matters生产级智能体的公开工程复盘本就稀少,高风险场景(错误决策有真实代价)的更是罕见。四条经验——三分解剖、确定性工具层、会话级沙箱、专家评分的活数据评估——每一条都指向同一个主题:智能体可靠性来自工程结构,不是模型能力。

For 把智能体推向生产环境的工程团队、智能体平台与基础设施建设者

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