What is AceTagGen?
AceTagGen is an independent web tool for writing prompts for SUNO, an AI music generator. It offers a structured 12-step Tag Builder drawing on a library of 3,200+ tags across 16 genre families, 1,700+ sub-genres and 430+ instruments, plus a 100-point Prompt Scorer that checks prompts before you paste them into SUNO. The site also includes live collision detection for conflicting tags, a character counter for SUNO's 1,000-character Style field, and a research blog with guides and tips.
In practice, you pick a sub-genre, mood, vocal style, tempo, key and production cues through the builder, which enforces per-category limits and orders the tags. The scorer then rates the result, and the blog describes named prompt techniques such as placing the dominant instrument at both the start and end of the Style field. The core tools are free and need no signup, while a separate AI chat is offered for $7 per month.
Key features
- 12-step Tag Builder with 3,200+ verified tags
- Live collision detection for conflicting tags
- 100-point Prompt Scorer
- Character counter for SUNO's 1,000-character Style field
- Research blog with guides and prompt techniques
- Open-source scorer published on npm
Who is it for
- Users of the SUNO AI music generator
- Hobbyist and independent music creators
- Producers wanting more precise AI-generated tracks
Pros and cons
- Core tools are free with no signup required
- Large, searchable library of tags organized by genre, mood and instrument
- Scorer is open source under the MIT license
- Works only with SUNO, not as a standalone music generator
- Research is gathered from community sources and results may vary
AceTagGen pricing
| Plan | Price | Includes |
|---|---|---|
| AceTagGen AI | 7 USD / month | AI chat, described as the deep tool; limits not stated on the page |
Prices copied from AceTagGen pricing, checked October 12, 2026. Currency as shown by the vendor; taxes may apply.
Is AceTagGen free?
Yes, there is a free plan. Tag Builder, Prompt Scorer, Guide and Research Blog are free, with no signup. The AI chat is a paid add-on.
AceTagGen alternatives
| Tool | Price from | Free plan | Category |
|---|---|---|---|
 Moises | not listed | trial | Music |
 BandLab | not listed | yes | Music |
 Suno | 30 PLN/mo | yes | Music |
| TTonefold | not listed | yes | Music |
 AIVA | 11 EUR/mo | yes | Music |
 Google Flow Music | 6 USD/mo | yes | Music |
All alternatives to AceTagGen →
FAQ
What is AceTagGen used for?
Free prompt-building system for SUNO AI music generation, helping users structure tags, genres, moods and vocals into precise prompts.
Is AceTagGen free?
Yes, there is a free plan. Tag Builder, Prompt Scorer, Guide and Research Blog are free, with no signup. The AI chat is a paid add-on.
How much does AceTagGen cost?
The cheapest paid plan is 7 USD/mo (vendor pricing, October 12, 2026).
What are the best AceTagGen alternatives?
Closest alternatives: Moises, BandLab, Suno, Tonefold, AIVA.
Data checked October 12, 2026 on the vendor website (acetaggen.com).