Investor Due Diligence Report
Analysis, data, and opinions for founders, operators, and investors in Vertical AI. By the investment team at Euclid.
4K
0%
10.5
0.26%
(comments + likes) / subscribers
Weekly
1.0 posts/week
79/100
Consistent (~8.5d avg)
| Newsletter | Subscribers | Weekly Growth | Price | Platform |
|---|---|---|---|---|
| MarTech AI | 48K | N/A | $15/mo | substack |
| Lex Fridman | 33K | +1.7% | $5/mo | substack |
| The Prompt: Insights from OpenAI Global Affairs | 31K | N/A | Free | substack |
| AI Weirdness | 29K | N/A | Free | substack |
Platform Dependency
Uses substack platform
Publishing Consistency
Regular publishing schedule
Key Person
Single-author publication — key-person dependency
Audience Concentration
Consistent engagement across posts
Subscriber threshold
4K subscribers — above the 3K category median for first paid tier
Has paid tier
No paid subscription tier yet
Peer monetization
100% of 200 similar-size peers in AI have paid tiers
Disclaimer: This report is generated automatically based on publicly available data and proprietary estimation models. Estimated subscriber counts are derived from engagement patterns and should be verified through direct disclosure. Revenue estimates are based on known pricing and estimated paid subscriber counts. This report is for informational purposes only and should not be the sole basis for investment decisions.
Score based on available components only.
| Component | Score | Weight |
|---|---|---|
| Engagement Rate | 50/100 | 30% |
| Publishing Consistency | 60/100 | 10% |
| Dr Phil's Newsletter, Powered by DOMS™️ AI |
| 28K |
| N/A |
| $10/mo |
| substack |
Revenue Model
Pre-monetization — no paid subscription tier