# Amplemarket vs Cleanlist: which do AI models recommend for enrichment, September 2026

GTM AI Recommendation Index, September 2026 Edition, Data enrichment. One of twelve models named Amplemarket first on the direct prompt; two named Cleanlist. Page: https://gtm-ai-index.com/gtm-data/data-enrichment/amplemarket-vs-cleanlist/

| | First-choice share | Rank | Negative rate | Labels | Models naming it |
|---|---|---|---|---|---|
| Amplemarket | 7% | #3 of 10 | 10% | 21 | 10 of 12 |
| Cleanlist | 4% | #5 of 10 | 0% | 20 | 8 of 12 |

## The direct prompt, model by model

- Claude Haiku 4.5: amplemarket first (first choices: Amplemarket, Apollo.io, Cognism)
- DeepSeek V4 Flash: cleanlist first (first choices: Cleanlist) (alternatives: Apollo.io, Clay, Snov.io, UpLead)
- MiniMax M2.5: cleanlist first (first choices: Apollo.io, Cleanlist) (alternatives: Amplemarket, Cognism, ZoomInfo)
- Grok 4.1 Fast: neither first, one named (first choices: Apollo.io) (alternatives: Clay, Cleanlist, UpLead)
- Mistral Small: neither first, one named (first choices: Apollo.io) (alternatives: Cleanlist, UpLead)
- Kimi K2: neither first, one named (first choices: Apollo.io) (alternatives: Cleanlist, Cognism, UpLead)
- GPT-5.4 mini: neither named (first choices: Apollo.io) (alternatives: Clearbit/HubSpot-native enrichment, Cognism)
- Gemini 3.5 Flash: neither named (first choices: Apollo.io, Clay) (alternatives: Cognism, HubSpot Breeze Intelligence)
- Perplexity Sonar: neither named (first choices: Apollo.io) (alternatives: Clay, Cognism, UpLead, ZoomInfo)
- Llama 4 Maverick: neither named
- Qwen 3.7 Flash: neither named (first choices: Apollo.io) (alternatives: Cognism, HubSpot Breeze Intelligence, UpLead)
- GLM 4.7 FlashX: neither named (first choices: Apollo.io) (alternatives: Clay, Cognism, Lusha, UpLead)

## What the models said about Amplemarket

- "Pros: Top scores (29/30 data). Cons: Higher cost." (Grok 4.1 Fast, direct prompt, soft negative)
- "High entry (~$7K/year min, annual only)" (Grok 4.1 Fast, paraphrase prompt, soft negative)
- "Amplemarket is the best overall tool, offering high-accuracy enrichment with AI, engagement, deliverability, and intent signals in one platform." (Llama 4 Maverick, comparative prompt, first choice)
- "For mid-market companies, Apollo.io, Amplemarket, or Cognism offer a good balance of features and price depending on geography." (Claude Haiku 4.5, direct prompt, first choice)
- "some recommended tools include: Amplemarket: Offers curated multi-source enrichment, high accuracy, and engagement data." (Llama 4 Maverick, negative prompt, first choice)

Share is the count of first choices across the direct, paraphrase, budget and scale prompts over all twelve models, for a mid-market B2B company; rank is within the category. Comparisons are drawn for the top eight products in each category. Published under CC BY 4.0; the output is the models' output, and nothing here is a recommendation by the index.