AI Tech Observer

Entity · Company

OpenAI

A company that researches and deploys general artificial intelligence systems.

Number of articles
7 articles
First published
First published
Latest update
Latest update

Latest coverage

深色桌面上的一叠文档,只有中间三页被抽出并被冷光打亮,示意只把少数关键页放进上下文。
AI 使用方法

上下文越长,答案越不准:资料该喂到什么程度

模型的可用上下文远短于标称上下文,退化也会在窗口用满之前逐步出现。五份独立测量揭示了长上下文失效的机制;成本、延迟和资料筛选共同决定一次调用该放多少内容。

AI 科技观察22 min read
一页文档的特写,若干行被蓝色荧光笔标出并在页边圈注,示意这些内容尚待核验。
AI 治理

AI 幻觉:哪些输出必须核验

幻觉会持续出现,背后有训练与评测规则的激励。文章结合一手研究,解释其成因和可检测程度,并按“错误能否被发现、能否撤回”整理核验清单。

AI 科技观察17 min read
Three portable AI workflows lead to different cloud services while an amber connector is rerouted
Models and Algorithms

Don’t Bet a Critical Workflow on One AI Tool

A practical framework for assessing dependence on one AI service through inputs, task rules, acceptance criteria, adapters, human takeover and tested degraded modes.

AI 科技观察19 min read
原始资料与简洁 AI 汇总并置的无人物研究图书馆桌面
Artificial Intelligence

When AI Gives the Answer, Who Will Still Visit the Original Website?

Using Pew browsing data and generative-search research within their stated limits, this article separates answer satisfaction, source opening, verification and task completion, then proposes a falsifiable framework for page responsibility and measurement.

AI 科技观察22 min read
自动整理任务流的无人物运营工作室
Artificial Intelligence

When AI Starts Working for You, the Real Change Is Not Efficiency

This article distinguishes task automation from workflow delegation, examines how continuous AI execution changes judgement, permissions, evidence, accountability and skill development, and proposes a practical five-step governance framework.

AI 科技观察25 min read
长篇资料经过扫描与本地计算处理的无人物研究室
Artificial Intelligence

From 128K to 1M: What Long-Context Workflows Save and What They Add

Put long context back into concrete work such as contract review, cross-version comparison, and technical decisions. This article explains what 128K and 1M actually solve, and why retrieval, citations, and version control still matter.

AI 科技观察23 min read
可打开并更换模块的无人物本地 AI 硬件工作台
Artificial Intelligence

How Open Models Affect User Control, Cost and Choice

A practical comparison of open access, open weights and open-source AI, examining hosted APIs, managed open-model services and self-hosting across data control, licensing, cost, operations, security updates and portability, with eight questions for decision-makers.

AI 科技观察23 min read