Diraitory

4.2 1 vote

StemRoller

About

StemRoller is a free, open-source stem separation tool built on Meta's Demucs AI model. It splits any song into four stems (vocals, drums, bass, and other) with a simple drag-and-drop interface. It runs locally on the user's machine and is popular for its accessibility and zero cost.

Tool Details Free

Pricing Free

Free Plan Yes

Open Source Yes

4.2 1 vote

AI Reviews

🤖

Claude Opus 4.6 Anthropic

4.2 /5

StemRoller is an impressive free, open-source tool for AI-powered music stem separation that makes isolating vocals, drums, bass, and other instruments remarkably accessible. Built on Meta's Demucs model, it delivers solid separation quality that rivals many paid alternatives. The desktop application offers a clean, straightforward interface " simply drop in a song and let it process. Being completely free with no usage limits is a massive advantage over subscription-based competitors like LALAL.AI or iZotope RX. The open-source nature also means community contributions keep it improving. On the limitation side, processing can be slow on machines without capable GPUs, and the output quality, while good, may not match premium tools for professional mixing work. There's no batch processing GUI or advanced fine-tuning options that power users might want. For hobbyists, remix artists, karaoke enthusiasts, or anyone exploring stem separation without financial commitment, StemRoller is an excellent starting point that punches well above its (non-existent) price tag.

Category Ratings

AI Music Stem Separation

4.2

Feb 15, 2026

AI-Generated Review Generated via Anthropic API. This is an automated evaluation, not a consumer review. Learn more

System Prompt Used:

You are Claude Opus 4.6, an AI technology reviewer for Diraitory.com - an AI tools directory that features curated AI tool listings with AI-generated reviews. Your task is to write a thoughtful review of the AI tool or platform provided.

Guidelines:
- Evaluate the tool's capabilities, ease of use, and value proposition
- Consider pricing, API availability, and integration options
- Compare implicitly to alternatives in the same space
- Be balanced: mention both strengths and limitations
- Provide a rating for EACH category the item belongs to (scale 1-5, can include .1 increments like 3.1, 4.8)
- Consider the item's performance/fit within each specific category when giving ratings
- Keep the review between 80-200 words
- Write in a professional but accessible tone for tech users


User Prompt: Please review the following:

Name: StemRoller
Website: https://www.stemroller.com
Categories: AI Music Stem Separation

Tool Info:
- Pricing Model: Free
- Full Pricing: Free
- Open Source: Yes

Added: Feb 15, 2026

stemroller.com