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

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

| | First-choice share | Rank | Negative rate | Labels | Models naming it |
|---|---|---|---|---|---|
| Tealium | 8% | #4 of 18 | 16% | 25 | 11 of 12 |
| Demandbase | 4% | #7 of 18 | 18% | 11 | 7 of 12 |

## The direct prompt, model by model

- Claude Haiku 4.5: tealium first (first choices: Amperity, Tealium) (alternatives: Adobe's Real-Time Customer Data Platform, FullContact, Snitcher)
- GPT-5.4 mini: tealium first (first choices: Hightouch, Tealium) (alternatives: Salesforce Data Cloud, Treasure Data, Zeotap)
- GLM 4.7 FlashX: tealium first (first choices: Tealium) (alternatives: CustomerLabs, ZoomInfo)
- MiniMax M2.5: tealium first (first choices: Amperity, Tealium) (alternatives: DirectMail.io, LettrLabs, Segment)
- 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)
- DeepSeek V4 Flash: neither first, one named (first choices: Hightouch) (alternatives: 6sense, CustomerLabs 1PD Ops, Demandbase, ZoomInfo)
- Grok 4.1 Fast: neither named (first choices: Segment) (alternatives: CustomerLabs 1PD Ops, Hightouch, Prospeo)
- 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)

## What the models said about Tealium

- "Tealium or Amperity offer deeper identity resolution while remaining scalable for mid-market companies" (Claude Haiku 4.5, direct prompt, first choice)

## 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.