# RudderStack vs Census: which do AI models recommend for CDP, October 2026

GTM AI Recommendation Index, October 2026 Edition, Customer data platforms. Zero of fourteen models named RudderStack first on the direct prompt; zero named Census. Page: https://gtm-ai-index.com/gtm-data/customer-data-platforms/rudderstack-vs-census/

| | First-choice share | Rank | Negative rate | Labels | Models naming it |
|---|---|---|---|---|---|
| RudderStack | 4% | #4 of 12 | 0% | 31 | 13 of 14 |
| Census | 2% | #5 of 12 | 0% | 11 | 4 of 14 |

## The direct prompt, model by model

- GPT-5.4 mini: neither first, one named (first choices: Hightouch) (alternatives: RudderStack, Segment)
- DeepSeek V4 Flash: neither first, one named (first choices: Hightouch, Segment) (alternatives: BlueConic, RudderStack)
- Qwen 3.7 Flash: neither first, one named (first choices: Hightouch, Segment) (alternatives: AudienceStream, HubSpot, RudderStack, mParticle)
- MiniMax M2.5: neither first, one named (first choices: HubSpot CDP) (alternatives: Bloomreach, RudderStack, Segment, Tealium)
- GPT-6 Luna: neither first, one named (first choices: Hightouch) (alternatives: RudderStack, Segment)
- Claude Haiku 4.5: neither named (first choices: BlueConic, Segment) (alternatives: Hightouch, Salesforce Data Cloud)
- Gemini 3.5 Flash: neither named (first choices: Hightouch) (alternatives: BlueConic, CaliberMind, Segment)
- Perplexity Sonar: neither named (first choices: Segment) (alternatives: BlueConic, Hightouch, Tealium)
- Grok 4.1 Fast: neither named (first choices: Segment) (alternatives: BlueConic, Hightouch)
- Mistral Small: neither named (first choices: Hightouch, Segment) (alternatives: BlueConic, Demandbase, Tealium)
- Llama 4 Maverick: neither named (first choices: ZoomInfo) (alternatives: Hightouch, Segment, Tealium)
- Kimi K2: neither named (first choices: BlueConic) (alternatives: Salesforce Data Cloud, Tealium)
- GLM 4.7 FlashX: neither named (first choices: Segment) (alternatives: 6sense, HubSpot, Salesforce Data Cloud)
- Muse Glimmer 30B: neither named (first choices: BlueConic, Segment) (alternatives: Hightouch, Salesforce Data Cloud, Tealium, Treasure Data)

## What the models said about RudderStack

- "RudderStack is my default pick for a tight budget if you have technical support" (GPT-6 Luna, budget prompt, first choice)
- "Just starting out? → Twilio Segment's free tier or RudderStack's free tier" (Kimi K2, budget prompt, first choice)

Share is the count of first choices across the direct, paraphrase, budget and scale prompts over all fourteen 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.