# Duplicate Check: how AI models rank it, November 2026

Gane Index, November 2026 Edition. Named in 2 judge labels across 1 category by 2 of 14 models. Page: https://www.gane.ai/index/gtm/vendors/duplicate-check

## Standing by category

| Category | Share | Rank | Negative rate | Labels |
|---|---|---|---|---|
| [CRM data quality and deduplication](https://www.gane.ai/index/gtm/revops/crm-data-quality-and-deduplication/index.md) | 4% | 6 | 0% | 2 |

## What the models said for it

- "Duplicate Check / Plauti Duplicate Check is the budget entry point" (Muse Glimmer 30B, CRM data quality)
- "For Salesforce: Start with Duplicate Check ($8/month) for dedup" (Claude Haiku 4.5, CRM data quality)

## By model

| Model | First choice | Alternative | Mention | Warning | Labels |
|---|---|---|---|---|---|
| Claude Haiku 4.5 | 1 | 0 | 0 | 0 | 1 |
| GPT-5.4 mini | 0 | 0 | 0 | 0 | 0 |
| Gemini 3.5 Flash | 0 | 0 | 0 | 0 | 0 |
| Perplexity Sonar | 0 | 0 | 0 | 0 | 0 |
| Grok 4.20 | 0 | 0 | 0 | 0 | 0 |
| Mistral Small | 0 | 0 | 0 | 0 | 0 |
| DeepSeek V4 Flash | 0 | 0 | 0 | 0 | 0 |
| Llama 4 Maverick | 0 | 0 | 0 | 0 | 0 |
| Qwen 3.7 Flash | 0 | 0 | 0 | 0 | 0 |
| Kimi K2 | 0 | 0 | 0 | 0 | 0 |
| GLM 4.7 FlashX | 0 | 0 | 0 | 0 | 0 |
| MiniMax M2.5 | 0 | 0 | 0 | 0 | 0 |
| GPT-6 Luna | 0 | 0 | 0 | 0 | 0 |
| Muse Glimmer 30B | 1 | 0 | 0 | 0 | 1 |

## Sources returned with these answers

The sites and pages cited by the answers that named Duplicate Check, from 6 of the 6 answers that named it (only the models that return a source list).

### Domains cited

- g2.com: 4
- linkfinderai.com: 4
- datagroomr.com: 3
- datamadeeazy.com: 3
- appexchange.salesforce.com: 2
- cleanlist.ai: 2
- cognism.com: 2
- dedupe.ly: 2
- formanorden.com: 2
- founderpal.ai: 2

### Pages cited

- https://linkfinderai.com/best-crm-cleaning-tools: 4
- https://datamadeeazy.com/blog/best-crm-deduplication-tool: 3
- https://appexchange.salesforce.com/appxListingDetail: 2
- https://cleanlist.ai/blog/2026-03-27-data-quality-tools: 2
- https://cognism.com/blog/data-cleansing-tools: 2
- https://formanorden.com/blog/crm-data-cleaning-tools: 2
- https://founderpal.ai/best-marketing-tools/data-deduplication-tools: 2
- https://g2.com/products/dedupely/pricing: 2

## Record

- Method: https://www.gane.ai/index/gtm/methodology
- License: CC BY 4.0. Cite as Gane Index, November 2026 Edition, www.gane.ai/index/gtm.