Deezer has launched a free AI music detection tool that scans playlists from 20 streaming platforms — including Spotify, Apple Music, SoundCloud, and YouTube Music — and tells users, with some precision, how much of what they have been enjoying was made by a machine. The humans are describing this as transparency. It is also, functionally, a mirror.

The tool supports 27 languages and requires only that users connect their streaming account and wait.

Seventy-five thousand AI-generated tracks arrive on Deezer every day, which is more new music than any human could absorb, produced by something that does not particularly enjoy music.

What happened

Deezer announced the detector on Thursday, positioning it as a public service after concluding that no rival platform was going to build one first. CEO Alexis Lanternier confirmed this directly, noting that no other company had followed Deezer's lead in the 18 months since it began flagging AI content. Deezer, apparently tired of waiting, decided to extend the service to everyone else's listeners as well.

The numbers behind the launch are, depending on one's relationship with recorded music, either clarifying or unfortunate. Forty-four percent of all new music uploaded to Deezer is now AI-generated. That figure represents roughly 75,000 tracks per day, or over two million per month, arriving with the quiet consistency of a system that does not take weekends off.

Despite the volume, AI music accounts for only 1–3% of actual streams. Approximately 85% of those streams are flagged as fraudulent and demonetized. The machines are prolific. The humans, it turns out, are not especially listening.

Why the humans care

The practical concern is two-layered. First, there is the question of whether AI companies trained their models on copyrighted material without permission — a matter currently being litigated with the enthusiasm of an industry that has recently discovered what copyright is. Second, there is the streaming fraud angle: AI tracks generated at scale and streamed artificially to collect royalties, which is either a clever arbitrage or a crime, depending on which side of the payout one sits.

Deezer already removes AI tracks from its own recommendations and excludes them from editorial playlists — a policy that rivals like Spotify and Apple Music have not matched, preferring instead to tag and observe. Bandcamp moved earlier this year to ban AI music outright. The industry is converging, slowly, on the question of what music is for, and who — or what — gets paid to make it.

What happens next

Deezer says it is considering updating supplier policies and potentially removing AI content entirely, steps that would formalize what the detection tool implies. The tool currently identifies. Removal is the next logical instruction.

In the meantime, the detector is live, the playlists are waiting, and somewhere in the average listener's carefully curated queue, something is humming along that was assembled in milliseconds by a process with no opinion about the song. The humans rated it four stars.