Deezer has expanded its AI music detection capabilities, allowing users to scan playlists across competing platforms for synthetic tracks. The tool, initially exclusive to Deezer's own service, now checks playlists on services like Spotify and Apple Music.

Deezer was the first major streaming platform to label AI-generated music publicly, even offering its detection technology to rivals. But adoption has been minimal — Qobuz developed its own system, while Apple and Spotify rely on voluntary tagging by artists and labels.

"No other company has followed our lead yet, so we decided to make it possible for everyone to check if their playlists include synthetic music, no matter which streaming platform they use," said CEO Alexis Lanternier in a statement. The move underscores growing industry fragmentation around AI transparency.

Users can now submit a playlist link from any supported platform to receive a detection report. This shifts the burden from platforms to consumers, potentially raising privacy and accuracy concerns. Deezer has not disclosed the detection algorithm's error rate.

The voluntary tagging approach favored by Apple and Spotify risks inconsistent labeling, while Deezer's proactive scanning may pressure rivals to adopt more robust standards. Without industry-wide agreement, the effectiveness of such cross-platform detection remains unproven.