Newsletter Insights — independent newsletter & sponsorship data across 41K+ newsletters
Browse all →
Get my FREE Claude course, skills, prompts and more, straight to your inbox 🎁.
Enter your email and we'll send your inquiry to the Newsletter Insights team.
Tell us your brand and audience. We send back 10-15 newsletters matched to your brief, with sponsor history and CPM ranges per placement.
$300·2-3 working days·refunded if we can't deliver
See what's includedArtificial Corner's metrics, benchmarks, and sponsor data in one document
90K
Top 10% in AI
substack
AI
+2.3%
vs +0.6% category avg
~70/post
avg comments + likes (0.08% rate)
Above category average
~2x per week
1.8 posts/week avg
vs 1.0/week category avg
$20/mo
Category avg: $5/mo
363
newsletters in AI
Top 10% in AI
out of 363 newslettersPublishing Frequency
~2x per week
Last published Oct 11, 2026
Usually publishes Wed, Sun
1.8 posts/week avg