Best RAG Newsletters in 2026

NewsletterFIT tracks 4 newsletters that cover RAG as a primary topic, all with posts in the last 90 days. By publicly shown subscriber count, the largest are AI with Hari (3K) and AI Portalen by Emma Al (2K).

Updated Nov 5, 2026 · sorted by publicly shown subscribers · methodology

  1. 1
    AI with Hari3K subscribers

    SubstackMonthly or less · last post 37 days ago

    From recent posts: AI with Hari publishes career advice and technical interview preparation for AI engineers, featuring articles on resume optimization, FAANG interview questions, and transitions into roles at firms like McKinsey. The…

    Likely audience: AI Engineers

  2. 2
    AI Portalen by Emma Al2K subscribers

    SubstackWeekly · last post 12 days ago

    From recent posts: AI Portalen by Emma Al publishes practical guides on prompt engineering, AI verification, and structured output for professionals managing daily workflows. The content focuses on technical strategies for selecting…

    Likely audience: Content creators

  3. 3
    Yogana With AI—

    LinkedInEvery two weeks · last post 20 days ago

    Your monthly dose of AI tools, trend, practical insights, and real-world use cases to help you work smart and stay ahead

    Likely audience: Enterprise AI Architects

  4. 4
    Your Monthly Data Bytes—

    LinkedInMonthly or less · last post 23 days ago

    Insights into designing pipelines, data models, and scalable platforms using modern data engineering techniques

    Likely audience: Data engineers

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