[4/30 03:00] Big Tech Q1 earnings, AI capex divergence Meta vs Google / Musk OpenAI testimony

AI News Flash for April 30, 2026 at 03:00 UTC. Topics: 1. Big Tech Q1 earnings, AI capex divergence Meta vs Google https://www.wsj.com/tech/ai/big-tech-strikes-gold-with-ai-but-at-a-steep-cost-f6d82a22 2. Musk OpenAI testimony https://www.axios.com/2026/04/30/musk-openai-safety-grok 3. Australia AI regulator enforcement warning https://www.bloomberg.com/news/articles/2026-04-30/australia-regulator-threatens-enforcement-for-poor-ai-controls 4. Minnesota AI nudification ban first-in-nation https://www.fox9.com/news/minnesota-senate-passes-bipartisan-ai-nudification-ban-first-in-nation-law-april-29 5. Roblox photorealistic AI multiplayer games https://www.invenglobal.com/articles/21460/anyone-can-create-photorealistic-multiplayer-games-roblox-unveils-new-ai-technology