# DemandTools alternatives: what AI models name instead, September 2026

GTM AI Recommendation Index, September 2026 Edition. 131 of the 216 answers in the 1 category where DemandTools holds a standing named it neither first nor as an alternative; these are the first choices those answers made. Page: https://gtm-ai-index.com/vendors/demandtools/alternatives/

## Named instead, most often (every category and segment added)

- Insycle: 31
- Cleanlist: 17
- Dedupely: 10
- Koalify: 7
- ZoomInfo Operations: 4
- Apollo.io: 3

## CRM data quality and deduplication

**Small business**: 56 of 72 answers did not name DemandTools (DemandTools is #12 of 14 at 0%).

- Insycle: first choice in 19 of those 56
- Cleanlist: first choice in 11 of those 56
- Dedupely: first choice in 7 of those 56
- Koalify: first choice in 6 of those 56
- Apollo.io: first choice in 3 of those 56
- Cognism: first choice in 1 of those 56
- DataGroomr: first choice in 1 of those 56
- Datablist: first choice in 1 of those 56

**Mid-market**: 42 of 72 answers did not name DemandTools (DemandTools is #4 of 17 at 6%).

- Insycle: first choice in 10 of those 42
- Cleanlist: first choice in 5 of those 42
- Dedupely: first choice in 3 of those 42
- Duplicate Check: first choice in 2 of those 42
- Cloudingo: first choice in 1 of those 42
- Findymail: first choice in 1 of those 42
- Koalify: first choice in 1 of those 42
- LeadAngel: first choice in 1 of those 42

**Enterprise**: 33 of 72 answers did not name DemandTools (DemandTools is #1 of 11 at 27%).

- ZoomInfo Operations: first choice in 4 of those 33
- Cloudingo: first choice in 2 of those 33
- Informatica: first choice in 2 of those 33
- Informatica Data Quality: first choice in 2 of those 33
- Insycle: first choice in 2 of those 33
- Ataccama: first choice in 1 of those 33
- Cleanlist: first choice in 1 of those 33
- D&B Connect / D&B Optimizer: first choice in 1 of those 33

Published under CC BY 4.0. The output is the models' output; nothing here is a recommendation by the index.