OpenAI 用 Relay + Transceiver 分离架构重构 WebRTC 堆栈,服务 9 亿周活用户,端到端延迟控制在 300ms 以内。本文详解 ICE ufrag 路由技巧、Global Relay 全球分布式接入,以及构建实时语音 AI 系统的实践教训。
OpenAI rebuilt its WebRTC stack with a split relay-plus-transceiver architecture to serve 900 million weekly active users with sub-conversational late
"GPT-Rosalind 是 OpenAI 首个垂直领域前沿模型,专为生命科学研究打造。BixBench 得分 0.751,合作方包括安进、Moderna、诺和诺德。它做什么、怎么工作、为什么标志着从通用到专用的战略转向。"
"GPT-Rosalind is OpenAI's first domain-specific frontier model, purpose-built for life sciences research. It scores 0.751 on BixBench and partners wit
"OpenAI's Stargate project spans 7 gigawatts across six sites with over $400 billion in planned investment. Here is the full picture of who is buildin
"OpenAI 发布了五支柱网络安全行动计划,附带 1000 万美元 API 额度与专用 GPT-5.4-Cyber 模型。本文逐条解析支柱含义,评估落地成效与现存缺口。"
"OpenAI published a five-pillar cybersecurity action plan with $10M in API credits and a dedicated GPT-5.4-Cyber model. Here's what each pillar means
OpenAI 发布了首个开源权重 PII 检测模型,采用 Apache 2.0 许可证。一家以专有 API 为核心业务的公司,发布可下载、微调且不按 token 收费的模型——这本身就是一个信号。该模型在标准测试集上达到 **96% F1**,可通过 WebGPU 在浏览器中运行,还附带 `opf`
"OpenAI released its first open-weight PII detection model under Apache 2.0. Here's how the 50M active-parameter model achieves 96% F1, runs in browse