Weekly AI News - October 3, 2025

Anthropic releases Claude Sonnet 4.5. California passes the first comprehensive AI safety law. OAI unveils Sora 2 for video & audio generation. Reuters launches AI earnings summaries. OAI intros a new metric for AI's value at work. Microsoft adds new agent features to 365 Copilot. AI adoption accelerates in Latin America despite challenges. Perplexity makes its AI-powered Comet browser free. A US report flags Chinese AI models as a security risk. The use of AI in religion is proving divisive.