The 37 most-covered topics in newsletters so far in October 2026, led by OpenAI, Artificial Intelligence, Google.
Ranked by how many newsletters covered each topic. Only topics covered by at least 5 newsletters are listed.
| # | Topic | Newsletters |
|---|---|---|
| 1 | OpenAI | 27▼ |
| 2 | Artificial Intelligence | 18▼ |
| 3 | 17▼ | |
| 4 | AI regulation | 15▼ |
| 5 | AI safety | 14▼ |
| 6 | Machine Learning | 14▼ |
| 7 | Anthropic | 14▼ |
| 8 | Computer Vision | 12▼ |
| 9 | Generative AI | 12▼ |
| 10 | AI Agents | 11▼ |
| 11 | AI | 11▼ |
| 12 | Gemini 4 Argon | 11 |
| 13 | AI Ethics | 9▼ |
| 14 | Deep Learning | 9▼ |
| 15 | Large Language Models | 9▼ |
| 16 | Neural Networks | 9▼ |
| 17 | AI policy | 9▼ |
| 18 | Reinforcement Learning | 8▼ |
| 19 | Robotics | 8▼ |
| 20 | AI Governance | 8▼ |
| 21 | AI Alignment | 7▼ |
| 22 | Codex | 7▼ |
| 23 | AI Applications | 6▼ |
| 24 | AI Research | 6▼ |
| 25 | Nvidia | 6▼ |
| 26 | Claude Code | 6▼ |
| 27 | Substack | 6▼ |
| 28 | Data Science | 6▼ |
| 29 | Microsoft | 6▼ |
| 30 | Stripe | 5▼ |
| 31 | Cloud Computing | 5▼ |
| 32 | Micron | 5▼ |
| 33 | Meta | 5▼ |
| 34 | AI risk | 5▼ |
| 35 | Google DeepMind | 5▼ |
| 36 | Treasury Yields | 5▼ |
| 37 | Dots | 5▼ |
Track topics and get alerts when they surge in newsletters. Free to start.
Sign up free