Suno just replaced its free AI music model with v4.5-all – and it’s faster, richer, and way more expressive (www.techradar.com)

Suno has replaced its free v3.5 music model with v4.5-All, a streamlined public variant of the earlier pro-level Suno 4.5. The model generates full-length songs—lyrics, vocals, instrumentation and post-production polish—while being optimized for efficiency: it’s faster than v3.5, makes fewer structural errors, handles tone shifts and prompt intent better, and delivers richer, more emotionally resonant tracks with tighter transitions and genre fidelity. In short, pro-quality output is now accessible without a subscription, though v4.5-All is slightly pared down compared with the paid flagship. The change matters because it lowers the bar to entry for everyday creators and ups the pressure on competitors who keep top-tier models behind paywalls. Technically, the move highlights efficient model-scaling tradeoffs: pruning or distilling capabilities to retain expressive vocal and instrumental synthesis while improving latency and prompt-following. Limitations remain—long-form lyrical coherence, occasional synthetic-sounding vocals, and potential copyright/ethical concerns—so Suno’s paid tiers and the teased v5 could still justify subscriptions. Still, this shift signals a broader market trend toward more capable, widely available generative audio tools and intensifies regulatory and legal debates around AI-produced music.