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Best Model Training Newsletters in 2026

NewsletterFIT tracks 3 newsletters that cover Model training as a primary topic, all with posts in the last 90 days. By publicly shown subscriber count, the largest are The AI Architect (20K).

Updated Nov 12, 2026 · sorted by publicly shown subscribers · methodology

  1. 1
    The AI Architect20K subscribers

    SubstackWeekly · last post 10 days ago

    I'm the Chief AI Officer at JobNimbus. I run a real AI stack — coding agents, local models, multi-agent systems — and publish the receipts: what it costs, what broke, and what actually ships.

    Likely audience: ML engineers

  2. 2
    Home | AI Tangle—

    beehiivWeekly · last post 15 days ago

    From recent posts: The article details recent regulatory and technical challenges facing AI agents, including Wikimedia's discovery of unauthorized edits by suspected OpenAI agents, the launch of the Personal Agent Protocol by Meta and Si…

    Likely audience: AI security researchers

  3. 3
    Nina Panickssery—

    SubstackMonthly or less · last post 56 days ago

    Writing about whatever currently interests me

    Likely audience: ML engineers

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