Kill the Newsletter vs Substack
Which brand does AI recommend more? Head-to-head comparison across all engines.
Wondering whether to choose Kill the Newsletter or Substack? We compared how ChatGPT, Gemini, Claude, and DeepSeek mention each brand. Substack leads with an AI score of 92 vs 42 for Kill the Newsletter. See the full breakdown below.
42
Kill the Newsletter
kill-the-newsletter.com
vs
92
Substack
substack.com
| Engine | Kill the Newsletter | Substack | Winner |
|---|---|---|---|
| ChatGPT | 0% | 80% | Substack |
| Claude | 100% | 80% | Kill the Newsletter |
| DeepSeek | 100% | 100% | Tie |
| Gemini | 0% | 100% | Substack |
| Mistral | 100% | 100% | Tie |
| Perplexity | 0% | 36% | Substack |
Kill the Newsletter
✅ High deliverability rates · Easy-to-use email builder · Detailed analytics
⚠️ Limited free tier · Template customization can be restrictive