Best Foundation Models Newsletters in 2026

NewsletterFIT tracks 4 newsletters that cover Foundation models as a primary topic, 2 of them with posts in the last 90 days. By publicly shown subscriber count, the largest are leonisnewsletter (2K) and Spawning Blog (2K).

Updated Nov 11, 2026 · sorted by publicly shown subscribers · methodology

  1. 1
    leonisnewsletter2K subscribers

    SubstackMonthly or less · last post 16 days ago

    Leonis Capital is a research-driven VC fund based in Silicon Valley. We distill our data-backed findings and contrarian theses into actionable insights for founders and fellow VCs.

    Likely audience: venture capital investors

  2. 2

    SubstackWeekly · last post 3 days ago

    From recent posts: Researchers developed two AI tools, FAHR-FaceAge and FAHR-FaceSurvival, to estimate facial age and survival risk from photographs, finding both metrics correlate with patient prognosis after adjusting for clinical facto…

    Likely audience: Oncologists and radiation oncologists

  3. 3
    Spawning Blog2K subscribers

    Substacklast post Dec 20, 2024

    Spawning is building the consent layer for AI. Opt in or opt out of AI training - http://source.plus Made for artists, by artists 🦾

    Likely audience: AI researchers

  4. 4

    Substacklast post May 12, 2026

    We break down AI into everyday language—no tech jargon needed! Get simple insights on the latest AI tools and trends in minutes. Whether you're curious or confused about AI, we make it accessible for everyone. AI made…

    Likely audience: AI engineers

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