Hey vs Substack
Which brand does AI recommend more? Head-to-head comparison across all engines.
Wondering whether to choose Hey or Substack? We compared how ChatGPT, Gemini, Claude, and DeepSeek mention each brand. Substack leads with an AI score of 99 vs 47 for Hey. See the full breakdown below.
47
Hey
hey.com
vs
99
Substack
substack.com
| Engine | Hey | Substack | Winner |
|---|---|---|---|
| ChatGPT | 0% | 100% | Substack |
| Claude | 0% | 100% | Substack |
| DeepSeek | 100% | 100% | Tie |
| Gemini | 100% | 100% | Tie |
| Mistral | 0% | 100% | Substack |
| Perplexity | 0% | 36% | Substack |
Hey
✅ Strong automation workflows · Easy-to-use email builder · Detailed analytics
⚠️ Template customization can be restrictive · Deliverability varies
Substack
✅ Simplest way to start a paid newsletter — zero setup friction · Built-in payment processing and subscriber management · Network effects from Substack's recommendation engine and app
⚠️ Takes 10% of paid subscription revenue — expensive at scale · Limited customization and branding options · No marketing automation or advanced segmentation