LLM security newsletters

NewsletterFIT tracks 92 newsletters that cover LLM security as a primary topic, 76 of them with posts in the last 90 days. By publicly shown subscriber count, the largest are Big Data News Weekly: Big Data Weekly Newsletter (1.1M), ByteByteGo Newsletter (1M) and The Neuron (700K). Brands detected sponsoring these newsletters recently include Langfuse, Stacker and Name.com.

Updated Oct 30, 2026 · sorted by publicly shown subscribers · methodology

  1. 1

    beehiiv Weekly · last post 17 days ago

    Likely audience: ML engineers

  2. 2
    ByteByteGo Newsletter 1M subscribers

    Substack Several times a week · last post 14 days ago

    Likely audience: ML engineers

    Sponsors detected: WorkOS Pipes, Matic, CodeAF

  3. 3
    The Neuron 700K subscribers

    beehiiv Several times a week · last post 17 days ago

    Likely audience: Product managers

    Sponsors detected: Dell Technologies, Front

  4. 4

    Substack Every two weeks · last post 21 days ago

    Likely audience: Policy makers

  5. 5
    @andrewchen 257K subscribers

    Substack Monthly or less · last post 23 days ago

    Likely audience: AI engineers

  6. 6
    Last Week in AI 189K subscribers

    Substack Weekly · last post 20 days ago

    Likely audience: ML engineers

    Sponsors detected: Langfuse

  7. 7
    Discover AI 184K subscribers

    Substack Monthly or less · last post 22 days ago

    Likely audience: developers

  8. 8
    Ben's Bites 172K subscribers

    Substack Several times a week · last post 14 days ago

    Likely audience: AI developers

    Sponsors detected: Name.com, Adobe, AWS

  9. 9
    The AI Corner 151K subscribers

    Substack Several times a week · last post 14 days ago

    Likely audience: Product managers

    Sponsors detected: Granola, Outskill, Oracle

  10. 10
    Agentic AI 132K subscribers

    Substack Several times a week · last post 14 days ago

    Likely audience: ML engineers

  11. 11
    The AiEdge Newsletter 81K subscribers

    Substack Weekly · last post 17 days ago

    Likely audience: ML engineers

  12. 12
    AI Buzz! 69K subscribers

    Substack Weekly · last post 21 days ago

    Likely audience: Product managers

  13. 13
    AI & Web3 Unplugged 57K subscribers

    Substack Monthly or less · last post 43 days ago

    Likely audience: ML engineers

  14. 14
    Exploring ChatGPT 56K subscribers

    Substack Several times a week · last post 16 days ago

    Likely audience: ML engineers

  15. 15
    The Automated 55K subscribers

    beehiiv Several times a week · last post 22 days ago

    Likely audience: Product managers

    Sponsors detected: Front

  16. 16
    AI Breakfast 55K subscribers

    beehiiv Weekly · last post 17 days ago

    Likely audience: AI researchers

  17. 17
    Elevate 45K subscribers

    Substack Every two weeks · last post 15 days ago

    Likely audience: Software engineers

    Sponsors detected: Teleport, Oracle, Sonar

  18. 18
    More Knowledge 36K subscribers

    Substack last post Jul 25, 2026

    Likely audience: ML engineers

  19. 19
    SumoGrowth AI Insights 32K subscribers

    Substack Several times a week · last post 17 days ago

    Likely audience: AI agency owners

    Sponsors detected: SumoLevel

  20. 20
    SWIPE 28K subscribers

    Substack Every two weeks · last post 14 days ago

    Likely audience: Software Engineers

  21. 21
    Gradient Ascent 28K subscribers

    Substack Monthly or less · last post 51 days ago

    Likely audience: ML researchers

  22. 22
    Kilo Blog 26K subscribers

    Substack Several times a week · last post 15 days ago

    Likely audience: ML engineers

  23. 23
    Deb GPT 24K subscribers

    Substack Every two weeks · last post 21 days ago

    Likely audience: AI enthusiasts

  24. 24
    Codex 23K subscribers

    Substack last post May 23, 2026

    Likely audience: DevOps engineers

  25. 25
    next big thing 18K subscribers

    Substack Monthly or less · last post Aug 20, 2026

    Likely audience: product managers

  26. 26
    Sneller met AI 17K subscribers

    Substack Several times a week · last post 15 days ago

    Likely audience: Content creators

  27. 27

    Substack Several times a week · last post 18 days ago

    Likely audience: Product managers

  28. 28

    Substack Weekly · last post 21 days ago

    Likely audience: Digital marketers

    Sponsors detected: Stacker, Foundation

  29. 29
    Future Proof Data Science 16K subscribers

    Substack Every two weeks · last post 21 days ago

    Likely audience: Data scientists

  30. 30

    Substack Every two weeks · last post 20 days ago

    Likely audience: Network engineers

  31. 31
    How Not To Use AI 14K subscribers

    Substack Every two weeks · last post 19 days ago

    Likely audience: AI researchers

  32. 32

    Substack Weekly · last post 23 days ago

    Likely audience: Cybersecurity professionals

  33. 33
    ML Safety Newsletter 12K subscribers

    Substack Monthly or less · last post Aug 26, 2026

    Likely audience: ML engineers

  34. 34
    AlphaSignal 12K subscribers

    Substack last post Jul 13, 2026

    Likely audience: ML engineers

  35. 35
    AI Paper of the Day 12K subscribers

    Substack last post Jun 21, 2026

    Likely audience: ML researchers

  36. 36
    AI Disruption 10K subscribers

    Substack Daily · last post 17 days ago

    Likely audience: AI developers

  37. 37
    TechTalks 10K subscribers

    Substack Every two weeks · last post 22 days ago

    Likely audience: ML engineers

  38. 38
    Res Obscura 10K subscribers

    Substack Monthly or less · last post 28 days ago

    Likely audience: Historians

  39. 39
    The Odin Times 9K subscribers

    Substack Weekly · last post 25 days ago

    Likely audience: Startup Founders

  40. 40
    Register Spill 9K subscribers

    Substack Weekly · last post 25 days ago

    Likely audience: Software engineers

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