Week of October 20–24, 2025: Major AI News Highlights

Weekly AI News (Oct 20-24, 2025): Citigroup saves 100K developer hours with AI; Google’s DeepSomatic enters oncology; OpenAI’s Sora 2 raises the bar for video generation; China’s SenseTime-Cambricon partnership; Cisco study finds only 13% firms AI-ready; and AI-investment bubble warning.