Voice AI newsletters

NewsletterFIT tracks 9 newsletters that cover Voice AI as a primary topic, 8 of them with posts in the last 90 days. By publicly shown subscriber count, the largest are NAMESPACE Ecosystem (65K), Robots on Payroll (33K) and Gradient Ascent (28K). Brands detected sponsoring these newsletters recently include RUDDERSTACK, MULTIVERSE COMPUTING and BUILDKITE.

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

  1. 1
    NAMESPACE Ecosystem 65K subscribers

    Substack Monthly or less · last post 31 days ago

    Likely audience: Tech enthusiasts

  2. 2
    Robots on Payroll 33K subscribers

    Substack Every two weeks · last post 30 days ago

    Likely audience: Product managers

    Sponsors detected: Knack Health

  3. 3
    Gradient Ascent 28K subscribers

    Substack Monthly or less · last post 50 days ago

    Likely audience: ML researchers

  4. 4
    AI Gold Rush 21K subscribers

    Substack Weekly · last post 21 days ago

    Likely audience: Tech enthusiasts

  5. 5
    superhuman.ai —

    beehiiv Several times a week · last post 17 days ago

    Likely audience: Product managers

    Sponsors detected: RUDDERSTACK, AWS, BUILDKITE

  6. 6
    The Verticalist —

    Substack Every two weeks · last post 18 days ago

    Likely audience: Venture capitalists

  7. 7
    This Week In Leadership —

    LinkedIn Every two weeks · last post 20 days ago

    Likely audience: HR professionals and learning & development managers

  8. 8
    Sophie’s Notes —

    Substack Monthly or less · last post 58 days ago

    Likely audience: AI enthusiasts

  9. 9
    AI Brews 10K subscribers

    Substack last post Dec 19, 2025

    Likely audience: Product managers

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