Local AI Just Got Dangerous: DeepSeek-V4-Flash-0731 Tutorial

In this video I run DeepSeek V4 Flash 0731 locally on my Mac Studio M3 Ultra and test whether it can do real work. It scores 52 on the Frontier Language Model Intelligence Index, which puts it level with GPT 5.4 and ahead of Claude Sonnet 4.6, so I plug it into the Pi agent harness (pi.dev) and give it three tasks I do every week: diagnose and fix a broken n8n workflow and make it production ready, build a multi part inventory reorder report from Excel, and audit a ClickUp workspace to find repe