Key Takeaways

• On 23 September 2025, today’s tech news daily press review spotlights Nvidia’s $100 billion commitment to OpenAI, aiming to advance AI data center infrastructure.
• Oura Health raises $875 million, highlighting ongoing momentum in digital health.
• A critical Windows zero-day vulnerability prompts an emergency patch from Microsoft.
• OpenAI introduces a mandatory AI security testing framework for enterprise customers.
• Huawei announces a 5nm processor breakthrough, intensifying competition in chip manufacturing.

Introduction

On 23 September 2025, Nvidia’s $100 billion partnership with OpenAI to develop next-generation AI data centers leads today’s tech news daily press review. This substantial investment marks a pivotal advancement in artificial intelligence infrastructure. Additional coverage includes Oura Health’s significant funding round, cybersecurity updates from Microsoft and OpenAI, and new developments in processor technology from Huawei.

Top Story

Nvidia and OpenAI Announce $100 Billion Partnership

Nvidia and OpenAI have revealed a $100 billion strategic partnership to develop advanced AI infrastructure. The collaboration encompasses joint creation of custom AI accelerators and grants OpenAI exclusive access to Nvidia’s latest large language models.

Sam Altman, CEO of OpenAI, stated that the agreement will significantly accelerate AI innovation while supporting responsible development. Nvidia will allocate 30% of its upcoming H200 GPU production to OpenAI’s projects.

The alliance represents the largest investment to date in AI infrastructure and surpasses previous industry initiatives. Major cloud providers such as Microsoft Azure and Google Cloud have voiced concerns about potential impacts on supply chains.

This partnership is poised to reshape the AI chip market. Experts note that smaller AI companies and researchers may face barriers to accessing advanced computing resources, raising questions about the openness of future AI development.

Also Today

Digital Health

Oura has launched an emergency health notification system for its smart rings, featuring real-time detection of irregular heart rhythms and significant temperature fluctuations. The feature has received FDA clearance for continuous health monitoring.

Apple has secured a patent for non-invasive blood pressure monitoring using advanced optical sensors. This technology could be implemented in future Apple Watch models, representing a significant leap in wearable health capabilities.

Cybersecurity

Microsoft has released an emergency patch for a critical zero-day vulnerability affecting all Windows versions since Windows 10. The company confirmed ongoing exploitation attempts targeting government institutions.

OpenAI has published a comprehensive AI security testing framework, establishing new safety standards for large language models. All OpenAI enterprise customers will be required to adopt this framework by December 2025.

Processor Innovation

Huawei announced successful production of 5nm processors at domestic fabrication facilities in China. Early benchmarks indicate performance on par with international chips released in 2024. This development marks a notable progression for China’s semiconductor industry.

What to Watch

• OpenAI and Nvidia partnership roadmap announcement (30 September 2025)
• Oura Q3 2025 earnings call (1 October 2025)
• OpenAI security framework implementation deadline (15 December 2025)
• Huawei processor benchmark event (5 October 2025)

Conclusion

Nvidia’s $100 billion partnership with OpenAI establishes a new standard for AI infrastructure investments and is expected to drive major shifts in the chip industry and access to computational resources. Oura’s recent funding, cybersecurity actions, and advances in processor technology further signal rapid evolution across the tech landscape. What to watch: upcoming partnership and product announcements through October, alongside OpenAI’s security framework rollout in December.