The 10 most important AI stories of December 3, 2025, hand-curated from the day's coverage. Every story links to its primary source.
Anthropic, the AI startup behind the popular Claude chatbot, is reportedly in talks to launch one of the largest initial public offerings ever as 2025.
OpenAI agreed to buy Neptune, a startup that makes tools for analyzing progress during AI model training.
ByteDance Ltd.'s TikTok will invest more than 200 billion reais ($37.7 billion) to build a data center in Brazil, marking its first project in Latin America.
For years, cybersecurity experts debated when – not if – artificial intelligence would cross the threshold from advisor to autonomous attacker. That theoretical milestone has arrived. Anthropic's recent investigation into a Chinese state-sponsored operation has documented [PDF] the first case of AI-orchestrated cyber attacks executing at scale with minimal human oversight, altering what enterprises must know about AI security threats.
Nvidia Corp. is on the verge of securing a massive lobbying win after US lawmakers kept a measure out of must-pass defense legislation that would have limited the company's ability to sell their advanced artificial intelligence chips to China and other adversary nations.
The London Stock Exchange Group Plc has agreed a deal with OpenAI that will give ChatGPT access to its licensed financial news and data.
Security technology startup Verkada has reached a $5.8 billion valuation after a new funding round led by CapitalG, Alphabet's venture capital arm. In September, Verkada rolled out over 60 new AI features and platform updates, including tools like "AI-Powered Unified Timeline."
Microsoft Corp. shares slid after the Information reported that the software maker has lowered expectations for getting business customers to spend money on the cloud unit's marketplace for artificial intelligence models and agents.
OpenAI's nonprofit foundation announced it's awarding $40.5 million in grants this year to 208 nonprofits across the US supporting local communities — the largest outside philanthropic commitment the artificial intelligence giant has made to date.
Amazon, Google, and Microsoft are creating exact replicas of popular web platforms to train AI agents to navigate the digital world like humans.
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