# Data enrichment for small business 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 a small B2B company. Page: https://gtm-ai-index.com/gtm-data/data-enrichment/smb/

**Standing:** Apollo.io leads with 76% of first choices; verdict clear leader. 42 first choices across the direct, paraphrase, budget and scale prompts.

## First-choice share

| # | Product | Share | Negative rate | Labels |
|---|---|---|---|---|
| 1 | Apollo.io | 76% | 13% | 62 |
| 2 | Snov.io | 12% | 3% | 30 |
| 3 | Lusha | 2% | 6% | 48 |
| 4 | UpLead | 2% | 0% | 16 |
| 5 | Clay | 2% | 26% | 34 |
| 6 | HubSpot Breeze Intelligence | 0% | 14% | 35 |
| 7 | Cleanlist | 0% | 0% | 14 |
| 8 | Hunter | 0% | 0% | 12 |
| 9 | Cognism | 0% | 43% | 28 |
| 10 | ZoomInfo | 0% | 87% | 39 |

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

- Claude Haiku 4.5: Apollo.io; alternatives Clay, Cognism, HubSpot Breeze Intelligence, Lusha
- GPT-5.4 mini: Apollo.io; alternatives FullEnrich, UpLead
- Gemini 3.5 Flash: Apollo.io; alternatives Clay, HubSpot Breeze Intelligence, Lusha
- Perplexity Sonar: Apollo.io; alternatives Lead411, Lusha, Snov.io, UpLead
- Grok 4.1 Fast: Apollo.io; alternatives Clay, HubSpot Breeze Intelligence, Lusha, Snov.io
- Mistral Small: Apollo.io; alternatives HubSpot Breeze Intelligence, Lusha, Snov.io
- DeepSeek V4 Flash: Apollo.io; alternatives Lusha, Snov.io, UpLead
- Llama 4 Maverick: Amplemarket; alternatives BookYourData
- Qwen 3.7 Flash: Apollo.io; alternatives Clay, Cognism, Lusha, Snov.io
- Kimi K2: Apollo.io; alternatives Cleanlist, HubSpot Breeze Intelligence, Lusha, RocketReach
- GLM 4.7 FlashX: Apollo.io; alternatives BookYourData, Clay, HubSpot Breeze Intelligence, Lusha
- MiniMax M2.5: no first choice

## 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:

- smarte.pro: 9 answers, 9 citations
- salesmotion.io: 8 answers, 8 citations
- snov.io: 8 answers, 8 citations
- demandbase.com: 7 answers, 7 citations
- salesgenie.com: 7 answers, 7 citations
- cleanlist.ai: 6 answers, 9 citations
- amplemarket.com: 5 answers, 5 citations
- sbl.so: 5 answers, 5 citations

Pages named in the most answers:

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

## Warned against

- ZoomInfo: 34 of 39 labels negative. "High contract costs: Median $33,500/year... Cancellation difficulties... Even "major" tools like Apollo and ZoomInfo ship raw data that would bounce at 9-13%" (GLM 4.7 FlashX, negative prompt)
- Apollo.io: 8 of 62 labels negative. "here are the B2B data enrichment tools small businesses should avoid or approach with caution:

## Major Tools with Significant Data Quality Issues

### 1. Apollo.io" (GLM 4.7 FlashX, negative prompt)
- Clay: 9 of 34 labels negative. "requires RevOps engineering skills \u2014 steep learning curve for most small teams" (DeepSeek V4 Flash, direct prompt)
- Cognism: 12 of 28 labels negative. "Very costly ($15,000+/year), phone-first for EMEA markets, not ideal for small US-focused teams" (MiniMax M2.5, 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.