DABYTE INDEX · HEAD-TO-HEAD
Notion vs Slack: which is more visible in AI answers?
Answer. Slack is more visible — 31.2% share of answer against 25.0% for Notion, a gap of 6.2 points in the DABYTE AI Visibility Index (2026-11-02). Notion ranks #2, Slack ranks #1 of 20 tracked brands.
Measured · panel of 16 prompts · methodology
Side by side
| Engine | Notion | Slack |
|---|---|---|
| ChatGPT | 31.2% | 50.0% |
| Perplexity | 18.8% | 12.5% |
| Overall | 25.0% | 31.2% |
| Rank | #2 | #1 |
| Quadrant | Visibility gap | Visibility gap |
Visibility is not market share: it measures whether an engine names the brand when a buyer asks the category question, nothing more.