The accuracy of vocal separation depends on several factors, including the complexity of the audio track, the quality of the source material, and the sophistication of the AI algorithms. While these tools can achieve impressive results in isolating vocals from mixed tracks, challenges may arise when dealing with heavily layered or intricately mixed audio. In such cases, the separation might not be as precise. Users should expect varying levels of accuracy and may need to fine-tune the results to achieve the desired outcome, especially for unique or complex audio content.