OpenAI Halves Model Inference Cost; Anthropic to Remove China Detection; Amazon Invests $1B in AI
English summary
OpenAI has reportedly cut model inference costs by over 50 percent through system-level optimizations. Anthropic announced it will remove a hidden Claude Code detection mechanism that checked for China timezone and 147 domains, describing it as an experimental anti-abuse measure. Amazon Web Services is launching a new AI division with a $1 billion investment, deploying thousands of engineers to help customers build AI solutions within weeks. Anthropic also made Claude Opus 4.8 and Haiku 4.5 available on Microsoft Azure AI Foundry with prompt caching and extended thinking.
Chinese summary
OpenAI 内部报告称通过系统优化将模型推理成本降低超过50%。Anthropic 宣布将删除 Claude Code 中检测中国时区和147个域名的代码，称其为实验性防滥用措施。亚马逊云科技宣布投入10亿美元成立AI部门，配备数千名工程师，在数周内帮助客户搭建AI系统。Anthropic 同时将 Claude Opus 4.8 和 Haiku 4.5 上线 Microsoft Azure AI Foundry，支持提示缓存和扩展思考。
Key points
OpenAI has cut model inference cost by over 50% through underlying system optimizations.
OpenAI 通过底层系统优化将模型推理成本降低超过50%。
Anthropic will remove a Claude Code detection mechanism that checked for China timezone and 147 domains, after user reverse-engineering revealed it.
Anthropic 将删除 Claude Code 中检测中国时区和147个域名的代码，此前该代码被用户逆向发现。
Amazon Web Services invests $1 billion in an AI division to deploy thousands of engineers for customer AI projects.
亚马逊云科技投入10亿美元成立AI部门，部署数千名工程师为客户提供AI项目支持。
Anthropic's Claude Opus 4.8 and Haiku 4.5 are now available on Microsoft Azure AI Foundry with prompt caching and extended thinking.
Anthropic 的 Claude Opus 4.8 和 Haiku 4.5 现已在 Microsoft Azure AI Foundry 全面可用，支持提示缓存和扩展思考。