Suno retires all pre-V6 models as Warner settlement terms kick in — while open weights spread beyond recall
r0ck3t23 · x · 2026-09-23
- Suno has retired every model built before V6 — not just a product decision: its copyright settlement with Warner required new licensed models, with old ones deprecated once replacements arrived. V6 is built with Warner, BMG and Believe.
- A September court filing showed Suno admitted using YT-DLP to obtain YouTube audio for training.
- Meanwhile Tencent open-sourced SongGeneration 2 and ACE-Step 1.5 is open; Anna's Archive claims 86M scraped Spotify audio files (256M tracks' metadata), 1/3 of the catalog but 99.6% of listening. No public evidence Chinese labs used it.
- The asymmetry: regulated companies can be sued into licensing and forced to retire models; open weights, once mirrored worldwide, have no off switch. The best AI music tools may end up being the ones no label can recall.
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