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Top Newsletter Topics in September 2026

The 150 most-covered topics in newsletters so far in September 2026, led by OpenAI, Anthropic, Artificial Intelligence.

Ranked by how many newsletters covered each topic. Only topics covered by at least 5 newsletters are listed.

September 2026August 2026July 2026June 2026May 2026March 2026February 2026January 2026December 2025November 2025October 2025

Most covered topics

Top 150 of 1,196

#TopicNewsletters
1OpenAI129▲
2Anthropic108▲
3Artificial Intelligence104▲
4AI Agents94▲
5AI85▲
6AI safety84▲
7Substack78▲
8ChatGPT71▲
9AI regulation66▲
10Bitcoin63▲
11Federal Reserve60▲
12Google60▲
13Inflation59▲
14Claude57▲
15Meta53▲
16Nvidia52▲
17Donald Trump51▲
18Elon Musk51▲
19Dario Amodei50
20Sam Altman47▲
21Data Centers46▲
22Hugging Face44▲
23Machine learning43▲
24AI Infrastructure43▼
25Generative AI42▲
26S&p 50041▲
27AI alignment40▲
28GPT-6 Astra39
29Microsoft39▲
30SEC38▲
31Large Language Models37▲
32AI governance36▲
33Interest Rates35▲
34Apple35▲
35Google DeepMind35▲
36Social media34▲
37Amazon33▲
38Muse33
39Instagram33▲
40CLARITY Act32▲
41Claude Code31▼
42AI Models31▲
43DeepSeek30▲
44AI research30▲
45Gemini29▲
46Codex29▲
47Paid Subscribers29▲
48Reinforcement Learning29▲
49Neural Networks28
50AI Ethics28▲
51Frontier models28▲
52China28▲
53AI tools27▲
54Jensen Huang27▲
55Podcast27▲
56Computer Vision27
57Meta Muse26
58Climate change26
59YouTube26▲
60Deep Learning26
61Salesforce26▲
62AGI26▲
63Trump administration25▲
64AI Policy25▲
65AI development25
66TikTok25▲
67Oil Prices24▲
68AI Adoption24▲
69SpaceX24▼
70Cybersecurity24▲
71Automation24▲
72Treasury yields23▲
73Trump23▲
74IPO23▲
75Mental health23▲
76Personal growth23▲
77Robotics23▲
78AI agent23▲
79Strait of Hormuz22▲
80Midterm Elections22
81Stablecoins22▲
82LinkedIn22▲
83AI Industry22▲
84NFL21▲
85Venture Capital21▲
86Astra21▲
87Nasdaq21▲
88Ethereum21
89Agentic AI21▲
90Investors21
91Netflix20▲
92Creator Economy20▲
93Recursive Self-Improvement20▲
94FOMC20
95CNN20
96Shopify20▲
97xAI20▲
98Paid Subscription20▲
99Superintelligence20▲
100Beehiiv19▲
101Coinbase19▲
102Bond market19▲
103Content Creation19▲
104Oracle19▲
105Texas19
106Jacob Coxon19
107Kevin Warsh18▲
108Claude Fable 5.118
109Iran18
110AI security18▲
111AI investment18▲
112CFTC18▲
113Nike18
114New York Times18▲
115New York City18▲
116LLMs18▲
117Mortgage Rates17▲
118Enterprise AI17▲
119Private Equity17▲
120Rate Hike17▲
121Frontier Labs17▲
122DeFi17
123Startups17▲
124Work-Life Balance17▲
125Privacy17
126Mark Zuckerberg17▲
127Wall Street17▲
128New York17▲
129Revenue Growth17▲
130United States17
131AI companies17▲
132Trust17▲
133College Football16▲
134Stock Market16▲
135Subscription16▲
136Diesel Prices16
137Fintech16▲
138Gold16▲
139Slack16▲
140Tariffs16▲
141Monetary policy16▲
142Valuation16
143Gemini 3.8 Flash16
144Goldman Sachs16▲
145Stripe16▲
146Recipes16▲
147AI risk16
148Liquidity15▲
149Recovery15
150Subscribers15

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