Open-source AI I'm watching: DeepSeek V4, VibeVoice, and the n8n effect

Sunday is my day to skim what shipped, note what seems worth going deeper on, and write a short annotated list before the week catches up with me again. This week was genuinely busy: three frontier labs released major models within a 10-day window, a speech model landed quietly from Microsoft, and n8n crossed a milestone that made me rethink some assumptions. I'm running three AI-curated directory sites built on Astro 5 + Claude Haiku 4.5. These releases matter to me not just as interesting tech