The Ultimate Guide to 100 Best AI Newsletters on Substack in 2025

Discover the top AI newsletters curated through ChatGPT, Claude, Gemini, and Perplexity research - ranked by subscriber count with personal recommendations.

All the best reading on AI, right here, on Substack.

Let me level with you: This isn’t THE ultimate guide of AI publications on Substack. It’s MY ultimate guide, and frankly, that’s probably better than whatever algorithmic fever dream you’d get elsewhere.

I went full nerd on this. I asked ChatGPT, Gemini, Claude, and Perplexity (using their research feat…