Tech CEOs defend open-weight AI models to lawmakers

• Nvidia, Microsoft, SpaceX, and Palantir, along with dozens of other U.S. and European tech firms, have launched the Open Secure AI Alliance. • The initiative aims to remediate and disclose security vulnerabilities using open technologies to strengthen the defense of AI systems.

• Nvidia and dozens of other tech firms have launched the Open Secure AI Alliance to promote the use of open AI models as critical tools for cybersecurity. • The initiative follows a breach at Hugging Face, where Nvidia CEO Jensen Huang noted that closed AI models hindered essential forensic efforts.

• AlleyWatch released its daily funding report for NYC startups on July 27, 2026, highlighting several new venture capital and seed deals. • Health care company MeridianMade raised $20.3 million in funding from 36 different investors, according to a recent SEC filing.

• Nvidia, Microsoft, and other major tech companies have issued a letter advocating for the continued development and use of open-source AI models. • The companies argue that open-weight models are safer than closed ones because they allow a global community of researchers to identify vulnerabilities and develop safeguards.

• Tech companies are urging U.S. policymakers to exercise caution regarding the deployment and regulation of open-source AI models. • Treasury Secretary Scott Bessent and adviser Michael Kratsios highlighted security risks, specifically accusing China's Moonshot AI of using its Kimi K3 model to steal proprietary U.S. technology.

• TechCrunch Disrupt 2026 will feature a dedicated "Smart Systems Stage" focused on the intersection of energy, infrastructure, and technology. • The agenda will address the critical power bottlenecks facing AI development, specifically examining how massive energy demands are straining the global economy and power grids.

• Major defense firms like Lockheed Martin and BAE Systems have invested $4.1 billion in military tech startups this year. • This investment is a response to the need to adapt to modern warfare, indicating a shift in strategic focus.

• Global defense giants have invested a record $4.1 billion into technology start-ups this year to accelerate the modernization of military capabilities. • Investment is primarily targeting firms specializing in artificial intelligence, cybersecurity, autonomous systems, and space-based sensing.

• The European Union has implemented a new sanctions package targeting 56 Russian individuals and military-industrial entities. • The measures specifically focus on disrupting the production of long-range drones, such as the Garpiya, and communication networks designed to rival Starlink.

• OpenAI CEO Sam Altman has suggested that artificial intelligence has entered the "singularity," the theoretical point where AI surpasses human intelligence. • This transition is characterized by AI becoming increasingly difficult for humans to control or predict as its capabilities accelerate.

• Beijing-based company Moonshot AI is scheduled to release the weights of its breakthrough AI model this Monday. • By making the weights available for download, developers will be able to freely tweak and host the technology on their own systems.