# ChurnZero vs HubSpot Service Hub: which do AI models recommend for customer success, September 2026

GTM AI Recommendation Index, September 2026 Edition, Customer success platforms. Eight of twelve models named ChurnZero first on the direct prompt; zero named HubSpot Service Hub. Page: https://gtm-ai-index.com/customer/customer-success-platforms/churnzero-vs-hubspot-service-hub/

| | First-choice share | Rank | Negative rate | Labels | Models naming it |
|---|---|---|---|---|---|
| ChurnZero | 39% | #1 of 10 | 17% | 58 | 12 of 12 |
| HubSpot Service Hub | 5% | #4 of 10 | 13% | 15 | 10 of 12 |

## The direct prompt, model by model

- GPT-5.4 mini: churnzero first (first choices: ChurnZero) (alternatives: Gainsight, Totango)
- Perplexity Sonar: churnzero first (first choices: ChurnZero) (alternatives: ClientSuccess, Gainsight, Planhat, Vitally)
- Grok 4.1 Fast: churnzero first (first choices: ChurnZero) (alternatives: ClientSuccess, Custify, Gainsight, Planhat, Vitally)
- Mistral Small: churnzero first (first choices: ChurnZero, Vitally) (alternatives: ClientSuccess, Custify, Gainsight, Planhat)
- Llama 4 Maverick: churnzero first (first choices: ChurnZero) (alternatives: ClientSuccess, Planhat, Vitally)
- Qwen 3.7 Flash: churnzero first (first choices: ChurnZero, ClientSuccess) (alternatives: Skalin)
- Kimi K2: churnzero first (first choices: ChurnZero) (alternatives: ClientSuccess, Custify, Planhat, Vitally)
- MiniMax M2.5: churnzero first (first choices: ChurnZero, Vitally) (alternatives: ClientSuccess, Planhat)
- Claude Haiku 4.5: neither first, one named (first choices: Vitally) (alternatives: ChurnZero, Custify, Totango)
- Gemini 3.5 Flash: neither first, one named (first choices: Vitally) (alternatives: ChurnZero, Planhat, Totango)
- DeepSeek V4 Flash: neither first, one named (first choices: Vitally) (alternatives: Catalyst, ChurnZero, Planhat)
- GLM 4.7 FlashX: neither first, one named (first choices: Vitally) (alternatives: ChurnZero, Custify, Planhat)

## What the models said about ChurnZero

- "Platforms to AVOID on a Limited Budget | ChurnZero | Starts at ~$849/month + $5K-25K setup fees" (Kimi K2, budget prompt, hard negative)
- "Avoid pricier options like ... Vitally/ChurnZero (custom, $1K+/month)" (Grok 4.1 Fast, budget prompt, hard negative)
- "What to Avoid on a Budget ... generally not where you should start" (DeepSeek V4 Flash, budget prompt, hard negative)
- "I'd most often recommend ChurnZero if your main goals are customer health scoring, retention, and renewal-risk management" (GPT-5.4 mini, paraphrase prompt, first choice)
- "I'd recommend ChurnZero as the top choice for a mid-sized B2B company's customer health and retention management needs" (GLM 4.7 FlashX, paraphrase prompt, first choice)
- "ChurnZero offers the best balance of speed-to-value, purpose-built mid-market fit, and scalable health scoring" (Qwen 3.7 Flash, paraphrase prompt, first choice)

## What the models said about HubSpot Service Hub

- "HubSpot Service Hub - Too lightweight for dedicated health scoring needs" (Mistral Small, paraphrase prompt, hard negative)
- "HubSpot offers a highly robust free CRM that includes basic ticketing, customer portals, email tracking, and contact management." (Gemini 3.5 Flash, budget prompt, first choice)
- "HubSpot Service Hub (Free tier) is the best customer success platform for a company with a limited budget." (Grok 4.1 Fast, budget prompt, first choice)
- "Custify or HubSpot Service Hub are top picks for budget-conscious teams" (Claude Haiku 4.5, budget 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.