Notion AI vs DeepSeek V4: Which Is Better in 2026

Last week, I spent 45 minutes trying to extract a coherent project brief from a messy 12-page meeting transcript. I pasted it into my workspace AI, asked it to summarize the action items, and got back a bulleted list that missed three critical deadlines and hallucinated a budget number that didn't exist. Frustrating? Absolutely.

This is the exact scenario where you start questioning whether you need a workspace assistant or a raw reasoning e