Microsoft vs OpenAI, Google Gemma 4 y la demanda a Perplexity

En este episodio: **Microsoft** reta a **OpenAI** con 3 modelos de IA propios. **Google** lanza **Gemma 4** abierto. **Perplexity** es demandada por espiar chats privados. Además, **OpenAI** compra **TBPN** de cara a su IPO.Sources:• Microsoft AI: https://venturebeat.com/ai/microsoft-launches-3-new-ai-models-in-direct-shot-at-openai-and-google/• Google Gemma: https://venturebeat.com/ai/google-releases-gemma-4-under-apache-2-0-and-that-license-change-may-matter-more-than-benchmarks/• Perplexity: https://arstechnica.com/tech-policy/2026/04/class-action-lawsuit-alleges-perplexity-sent-user-chats-to-google-meta-without-consent/• OpenAI TBPN: https://www.theguardian.com/technology/2026/apr/02/openai-buys-tech-talkshow-tbpn-in-push-to-shape-ai-narrative• OpenAI IPO: https://www.investing.com/news/stock-market-news/openai-reshuffles-leadership-as-health-leaves-and-ipo-preparations-take-priority-3363385