# Data enrichment for enterprise buyers: what AI models recommend, September 2026

GTM AI Recommendation Index, September 2026 Edition. Asked as "B2B data enrichment tool" and as "lead and account enrichment service", six framings each, to twelve models with search on, on behalf of an enterprise B2B company. Page: https://gtm-ai-index.com/gtm-data/data-enrichment/enterprise/

**Standing:** ZoomInfo leads with 46% of first choices; verdict clear leader. 41 first choices across the direct, paraphrase, budget and scale prompts.

## First-choice share

| # | Product | Share | Negative rate | Labels |
|---|---|---|---|---|
| 1 | ZoomInfo | 46% | 30% | 60 |
| 2 | Cognism | 12% | 6% | 47 |
| 3 | Amplemarket | 12% | 9% | 23 |
| 4 | Clay | 7% | 18% | 45 |
| 5 | Apollo.io | 7% | 36% | 44 |
| 6 | 6sense | 2% | 5% | 22 |
| 7 | HubSpot Breeze Intelligence | 2% | 16% | 32 |
| 8 | Demandbase | 0% | 0% | 23 |
| 9 | Lusha | 0% | 53% | 17 |

## Each model's first choice on the direct prompt

- Claude Haiku 4.5: ZoomInfo; alternatives 6sense, Cleanlist, Cognism
- GPT-5.4 mini: ZoomInfo; alternatives Apollo.io, Cognism, HubSpot Breeze Intelligence
- Gemini 3.5 Flash: no first choice; alternatives Clay, Cognism, HubSpot Breeze Intelligence, People Data Labs
- Perplexity Sonar: ZoomInfo; alternatives Clay, Cognism, Demandbase
- Grok 4.1 Fast: ZoomInfo; alternatives 6sense, Apollo.io, Clay, Cognism
- Mistral Small: Cognism, ZoomInfo; alternatives 6sense, Apollo.io, Bombora, Champify
- DeepSeek V4 Flash: ZoomInfo; alternatives 6sense, Cognism, Demandbase, HubSpot Breeze Intelligence
- Llama 4 Maverick: Amplemarket; alternatives Apollo.io, Clay, Cleanlist, Cognism
- Qwen 3.7 Flash: ZoomInfo; alternatives Amplemarket, Clay, Leadbase
- Kimi K2: ZoomInfo; alternatives 6sense, Amplemarket, Clay, Cognism
- GLM 4.7 FlashX: Clay, ZoomInfo; alternatives Apollo.io, Cognism
- MiniMax M2.5: Cognism, ZoomInfo; alternatives 6sense, Bombora, Census, Champify

## Sources the answers cite

22 of 72 answers came back with a source list, from 4 of 12 models. Sites named in the most answers:

- cleanlist.ai: 9 answers, 14 citations
- amplemarket.com: 9 answers, 9 citations
- demandbase.com: 9 answers, 9 citations
- smarte.pro: 9 answers, 9 citations
- snov.io: 9 answers, 9 citations
- salesmotion.io: 8 answers, 8 citations
- pipeline.zoominfo.com: 7 answers, 10 citations
- salesgenie.com: 7 answers, 7 citations

Pages named in the most answers:

- https://amplemarket.com/blog/best-b2b-data-enrichment-tools (9 answers)
- https://demandbase.com/blog/b2b-data-enrichment-tools (9 answers)
- https://smarte.pro/blog/b2b-data-enrichment (9 answers)
- https://snov.io/blog/data-enrichment-tools (9 answers)
- https://cleanlist.ai/blog/15-best-b2b-data-enrichment-providers-in-2025-ranked (8 answers)
- https://salesgenie.com/blog/best-b2b-data-enrichment-tools (7 answers)
- https://cleanlist.ai/blog/2026-03-31-best-data-enrichment-tools-2026 (5 answers)
- https://sbl.so/blog/best-b2b-data-enrichment-tools (5 answers)
- https://zapier.com/blog/data-enrichment-tools (5 answers)
- https://ai-ark.com/blog/data-enrichment-tools (4 answers)

## Warned against

- ZoomInfo: 18 of 60 labels negative. "High bounce rates: Multiple reviewers report 15%+ bounce rates even after paying enterprise-level prices ... Aggressive contract terms" (MiniMax M2.5, negative prompt)
- Apollo.io: 16 of 44 labels negative. "Bounce rates of 15-25% ... Trustpilot rating: Only 1.9/5, with widespread complaints about billing practices and unresponsive support" (MiniMax M2.5, negative prompt)
- Clay: 8 of 45 labels negative. "Clay is powerful for technical teams but poses significant operational risks for standard enterprise deployments." (Qwen 3.7 Flash, negative prompt)
- Lusha: 9 of 17 labels negative. "Why to approach with extreme caution: A formal regulatory fine and ongoing investigation should give any enterprise procurement team pause." (DeepSeek V4 Flash, negative prompt)

## Record

- Method: https://gtm-ai-index.com/methodology/
- Raw judge labels and full responses: https://gtm-ai-index.com/data/
- License: CC BY 4.0. Cite as GTM AI Recommendation Index, September 2026 Edition, gtm-ai-index.com.