Best LLM Prompt Engineering Newsletters in 2026

NewsletterFIT tracks 5 newsletters that cover LLM prompt engineering as a primary topic, 4 of them with posts in the last 90 days. By publicly shown subscriber count, the largest are Productify by Bandan (33K) and ProductDirection (2K).

Updated Nov 14, 2026 · sorted by publicly shown subscribers · methodology

  1. 1
    Productify by Bandan33K subscribers

    SubstackEvery two weeks · last post 27 days ago

    From recent posts: Productify by Bandan publishes weekly articles on AI architecture, product strategy, and the intersection of domain expertise with artificial intelligence for product managers and technical leaders. The content ranges…

    Likely audience: Product managers

    Sponsors detected:

  2. 2

    SubstackEvery two weeks · last post 17 days ago

    A weekly AI brew to help you understand it, apply it, and put it to work. Straight from the hands of someone who lives it daily. The perfect blend to survive the fallout.

    Likely audience: small business owners

  3. 3

    SubstackEvery two weeks · last post 28 days ago

    Essays on AI-assisted software engineering, product systems, security, and the hidden costs of building for real users.

    Likely audience: Excel users

  4. 4

    SubstackMonthly or less · last post Sep 9, 2026

    Essays on life, learning, and being useful. Written by a 3x founder turned executive coach.

    Likely audience: founders

  5. 5
    ProductDirection2K subscribers

    Substacklast post Mar 25, 2026

    Weekly articles on strategy and product practices. Subscribe to access my Quick Strategy guide, the High-Impact Teams ebook, and the latest event slides.

    Likely audience: Product Managers

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