AI Self-Published Books Flood Market: Capture ~40% of Sales but Revenue Lags
a16z · x · 2026-08-08
a16z's Charts of the Week examines AI's impact on publishing. Research from several universities indicates that AI-generated books are flooding the self-published market, now capturing about 40% of observed sales.
While the total catalogue of self-published books has surged nearly 40x since 2023, actual revenues have only increased 9x. This suggests AI authorship relies on a volume approach: massively scaling output at lower costs, and despite a lower hit rate per book, the massive volume still captures market share.
Related event: AI Books Make Up 40% of Self-Published Sales; Authors Face Proof Burden(15 posts)→
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