LLM application development newsletters

NewsletterFIT tracks 5 newsletters that cover LLM application development as a primary topic, 2 of them with posts in the last 90 days. By publicly shown subscriber count, the largest are Technically (71K), LLMs Research (28K) and The Discourse (12K). Brands detected sponsoring these newsletters recently include LlamaIndex.

Updated Oct 29, 2026 · sorted by publicly shown subscribers · methodology

  1. 1
    Technically 71K subscribers

    Substack Weekly · last post 16 days ago

    Likely audience: ML engineers

  2. 2
    LLMs Research 28K subscribers

    Substack Monthly or less · last post Aug 27, 2026

    Likely audience: Tech leads

    Sponsors detected: LlamaIndex

  3. 3
    The Discourse 12K subscribers

    Substack last post Dec 17, 2024

    Likely audience: AI tool evaluators

  4. 4
    Marketing Muse 8K subscribers

    Substack last post Nov 21, 2025

    Likely audience: Independent developers

  5. 5
    LevelCraft Newsletter 1K subscribers

    Substack last post Dec 22, 2025

    Likely audience: Product managers

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