澳大利亚S&P/ASX200指数7月28日（周二）开盘下跌35.50点，跌幅0.40%，报8858.50点。

Financial Times reports NVIDIA has agreed to invest about $5bln in Safe Superintelligence, an AI startup led by OpenAI co‑founder Ilya Sutskever, and will provide its latest Vera Rubin hardware as part of a "long-term partnership." The companies announced the deal on Monday; people familiar said the $5bln commitment is typically milestone-dependent. Both parties declined to disclose financial terms, calling the investment "substantial." Safe Superintelligence said the funding will help it build the compute to exploit a research breakthrough it claims and increase available compute tenfold within 12 months.

Kimi AI：此外，该款模型还具有全新的模型架构，单位计算资源带来的智能水平提升了2.5倍，并非只是简单增加参数规模。与此同时，除了Kimi K3，我们还将开放更多支撑该模型运行的技术栈，包括高性能注意力计算内核、MoE通信库和支持大规模运行智能体环境的基础设施。