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

GTM AI Recommendation Index, September 2026 Edition. 333 of the 432 answers in the 2 categories where Cleanlist 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/cleanlist/alternatives/

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

- Apollo.io: 63
- Insycle: 32
- ZoomInfo: 29
- DemandTools: 22
- Amplemarket: 21
- Clay: 13

## CRM data quality and deduplication

**Small business**: 39 of 72 answers did not name Cleanlist (Cleanlist is #2 of 14 at 19%).

- Insycle: first choice in 13 of those 39
- Koalify: first choice in 6 of those 39
- Dedupely: first choice in 5 of those 39
- Apollo.io: first choice in 1 of those 39
- Clearout: first choice in 1 of those 39
- Cognism: first choice in 1 of those 39
- DataGroomr: first choice in 1 of those 39
- Datablist: first choice in 1 of those 39

**Mid-market**: 44 of 72 answers did not name Cleanlist (Cleanlist is #2 of 17 at 19%).

- Insycle: first choice in 15 of those 44
- DemandTools: first choice in 5 of those 44
- Cloudingo: first choice in 3 of those 44
- Dedupely: first choice in 2 of those 44
- ZoomInfo Operations: first choice in 2 of those 44
- CUFinder: first choice in 1 of those 44
- Duplicate Check: first choice in 1 of those 44
- Koalify: first choice in 1 of those 44

**Enterprise**: 64 of 72 answers did not name Cleanlist (Cleanlist is #9 of 11 at 2%).

- DemandTools: first choice in 17 of those 64
- ZoomInfo Operations: first choice in 7 of those 64
- Informatica Cloud Data Quality: first choice in 5 of those 64
- Cloudingo: first choice in 4 of those 64
- Insycle: first choice in 4 of those 64
- Informatica: first choice in 3 of those 64
- LeadAngel: first choice in 3 of those 64
- Openprise: first choice in 3 of those 64

## Data enrichment

**Small business**: 60 of 72 answers did not name Cleanlist (Cleanlist is #7 of 10 at 0%).

- Apollo.io: first choice in 35 of those 60
- Amplemarket: first choice in 3 of those 60
- Snov.io: first choice in 3 of those 60
- Clay: first choice in 2 of those 60
- Lusha: first choice in 2 of those 60
- UpLead: first choice in 2 of those 60
- Hunter: first choice in 1 of those 60
- Lead411: first choice in 1 of those 60

**Mid-market**: 60 of 72 answers did not name Cleanlist (Cleanlist is #5 of 10 at 4%).

- Apollo.io: first choice in 25 of those 60
- Amplemarket: first choice in 8 of those 60
- Clay: first choice in 7 of those 60
- Cognism: first choice in 3 of those 60
- ZoomInfo: first choice in 2 of those 60
- Demandbase Services: first choice in 1 of those 60
- FullEnrich: first choice in 1 of those 60
- Snov.io: first choice in 1 of those 60

**Enterprise**: 66 of 72 answers did not name Cleanlist.

- ZoomInfo: first choice in 27 of those 66
- Amplemarket: first choice in 10 of those 66
- Cognism: first choice in 5 of those 66
- Clay: first choice in 4 of those 66
- Apollo.io: first choice in 2 of those 66
- FullEnrich: first choice in 2 of those 66
- 6sense: first choice in 1 of those 66
- HubSpot Breeze Intelligence: first choice in 1 of those 66

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