# Prospeo vs Demandbase: which do AI models recommend for identity, September 2026

GTM AI Recommendation Index, September 2026 Edition, Identity resolution. Zero of twelve models named Prospeo first on the direct prompt; one named Demandbase. Page: https://gtm-ai-index.com/gtm-data/identity-resolution/prospeo-vs-demandbase/

| | First-choice share | Rank | Negative rate | Labels | Models naming it |
|---|---|---|---|---|---|
| Prospeo | 4% | #6 of 18 | 0% | 11 | 6 of 12 |
| Demandbase | 4% | #7 of 18 | 18% | 11 | 7 of 12 |

## The direct prompt, model by model

- Qwen 3.7 Flash: demandbase first (first choices: Demandbase, HubSpot Breeze Intelligence) (alternatives: 6Degrees, 6sense, Blue90, Salesforce Einstein, Terminus)
- Gemini 3.5 Flash: neither first, one named (first choices: Openprise) (alternatives: 6sense, Demandbase, Hightouch, HubSpot Breeze Intelligence, RudderStack, ZoomInfo)
- Perplexity Sonar: neither first, one named (first choices: Segment) (alternatives: Hightouch, Prospeo, Tealium)
- Grok 4.1 Fast: neither first, one named (first choices: Segment) (alternatives: CustomerLabs 1PD Ops, Hightouch, Prospeo)
- DeepSeek V4 Flash: neither first, one named (first choices: Hightouch) (alternatives: 6sense, CustomerLabs 1PD Ops, Demandbase, ZoomInfo)
- Claude Haiku 4.5: neither named (first choices: Amperity, Tealium) (alternatives: Adobe's Real-Time Customer Data Platform, FullContact, Snitcher)
- GPT-5.4 mini: neither named (first choices: Hightouch, Tealium) (alternatives: Salesforce Data Cloud, Treasure Data, Zeotap)
- Mistral Small: neither named (first choices: Warmly) (alternatives: LiveRamp, MarketBetter, RB2B)
- Llama 4 Maverick: neither named
- Kimi K2: neither named (first choices: Apollo.io) (alternatives: FullContact, LeanData, Lusha)
- GLM 4.7 FlashX: neither named (first choices: Tealium) (alternatives: CustomerLabs, ZoomInfo)
- MiniMax M2.5: neither named (first choices: Amperity, Tealium) (alternatives: DirectMail.io, LettrLabs, Segment)

## What the models said about Prospeo

- "Prospeo is the safest budget-first recommendation from the results for B2B use cases" (Perplexity Sonar, budget prompt, first choice)
- "For most mid-sized B2B companies, I recommend starting with Prospeo" (Mistral Small, paraphrase prompt, first choice)
- "They offer an introductory free plan (including up to 75 email resolutions/month) with low-cost scaling tiers." (Gemini 3.5 Flash, budget prompt, alternative)

## What the models said about Demandbase

- "Widely considered the gold standard for ABM. It uses deep identity resolution to map anonymous website visitors to accounts with high accuracy." (Qwen 3.7 Flash, direct 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.