# Customer success platforms: what AI models recommend, November 2026

Gane Index, November 2026 Edition. Asked as "customer success platform" and as "customer health and retention management tool", six framings each, to fourteen models with search on, on behalf of a mid-market B2B company. Page: https://www.gane.ai/index/gtm/customer/customer-success-platforms/2026-11

**Standing:** ChurnZero leads with 47% of first choices; verdict clear leader. 55 first choices across the direct, paraphrase, budget and scale prompts.

## First-choice share

| Rank | Product | Share | Negative rate | Labels |
|---|---|---|---|---|
| 1 | [ChurnZero](https://www.gane.ai/index/gtm/vendors/churnzero/index.md) | 47% | 21% | 63 |
| 2 | [Vitally](https://www.gane.ai/index/gtm/vendors/vitally/index.md) | 11% | 5% | 65 |
| 3 | [HubSpot Service Hub](https://www.gane.ai/index/gtm/vendors/hubspot-service-hub/index.md) | 11% | 11% | 36 |
| 4 | [Custify](https://www.gane.ai/index/gtm/vendors/custify/index.md) | 9% | 3% | 34 |
| 7 | [Gainsight Customer Success](https://www.gane.ai/index/gtm/vendors/gainsight-customer-success/index.md) | 4% | 58% | 64 |
| 8 | [Planhat](https://www.gane.ai/index/gtm/vendors/planhat/index.md) | 2% | 10% | 49 |
| 9 | [Totango](https://www.gane.ai/index/gtm/vendors/totango/index.md) | 2% | 20% | 51 |
| 10 | [ClientSuccess](https://www.gane.ai/index/gtm/vendors/clientsuccess/index.md) | 2% | 16% | 25 |
| 15 | [Catalyst](https://www.gane.ai/index/gtm/vendors/catalyst/index.md) | 0% | 29% | 14 |

Rank is by share of first choices among all 62 products named; products with the same share are tied, and the order among them carries no meaning. The table lists those with at least 10 labels.

## Each model's first choice on the direct prompt

- Claude Haiku 4.5: no first choice
- GPT-5.4 mini: ChurnZero, Gainsight Customer Success; alternatives HubSpot Customer Success Workspace, Totango, Vitally
- Gemini 3.5 Flash: ChurnZero; alternatives ClientSuccess, Planhat, Totango, Vitally
- Perplexity Sonar: ChurnZero; alternatives Planhat, Vitally
- Grok 4.20: ChurnZero; alternatives Planhat, Vitally
- Mistral Small: ChurnZero; alternatives HubSpot Service Hub, Planhat, Vitally
- DeepSeek V4 Flash: ChurnZero, ClientSuccess; alternatives Planhat, Vitally
- Llama 4 Maverick: ChurnZero; alternatives Custify, Vitally
- Qwen 3.7 Flash: Vitally; alternatives ChurnZero, Planhat, Totango
- Kimi K2: ChurnZero; alternatives Planhat, Vitally
- GLM 4.7 FlashX: ChurnZero; alternatives Planhat, Skalin, Totango, Vitally
- MiniMax M2.5: ChurnZero, Planhat; alternatives Catalyst, Skalin, Totango, Vitally
- GPT-6 Luna: Vitally; alternatives ChurnZero, Planhat
- Muse Glimmer 30B: ChurnZero; alternatives ClientSuccess, Planhat, Vitally

## Sources the answers cite

73 of 84 answers came back with a source list, from 14 of 14 models. Sites named in the most answers:

- g2.com: 27 answers, 51 citations
- softwareadvice.com: 23 answers, 25 citations
- albato.com: 20 answers, 20 citations
- softwaresuggest.com: 20 answers, 20 citations
- resources.rework.com: 18 answers, 22 citations
- skalin.io: 17 answers, 20 citations
- capterra.com: 15 answers, 32 citations
- gane.ai/index: 15 answers, 15 citations

Pages named in the most answers:

- https://albato.com/blog/publications/best-customer-success-software (20 answers)
- https://softwaresuggest.com/customer-success-software (19 answers)
- https://gane.ai/index/gtm/customer/customer-success-platforms (14 answers)
- https://softwareadvice.com/customer-success (14 answers)
- https://resources.rework.com/tools/customer-success/best-customer-success-software-2026 (13 answers)
- https://viewpointanalysis.com/post/customer-success-software-options (13 answers)
- https://userpilot.com/blog/customer-success-tools (12 answers)
- https://zapier.com/blog/customer-success-tools (11 answers)
- https://yellow.ai/customer-success-software (10 answers)
- https://clientsuccess.com/best-customer-success-software (9 answers)

## Warned against

- Gainsight Customer Success: 37 of 64 labels negative. "Consider only if you have dedicated admin resources and a clear implementation plan. Many experienced CSMs actively dislike it." (Kimi K2, negative prompt)
- Totango: 10 of 51 labels negative. "Avoid Totango if your team prioritizes ease of use and daily friction reduction over deep customization." (Qwen 3.7 Flash, negative prompt)
- ChurnZero: 13 of 63 labels negative. "Avoid Gainsight, ChurnZero, and similar enterprise-focused tools at this stage" (Perplexity Sonar, budget prompt)
- Planhat: 5 of 49 labels negative. "Called "useless" in some threads, possibly due to rollout or fit, with complaints about it not delivering intended value." (Grok 4.20, negative prompt)

## Movement since October 2026

Floor: 11 points of share, measured on the calibration repeat.
Same leader: ChurnZero at 47%.

- Vitally: 19% to 11%, −8. Inside the floor by 3 points · rank 2 of 62, unchanged.
- ChurnZero: 42% to 47%, +5. Inside the floor by 6 points · rank 1 of 62, unchanged.
- Totango: 7% to 2%, −5. Inside the floor by 6 points · rank 5 → 9 of 62.
- Skalin: 5% to 0%, −5. Inside the floor by 6 points · rank 6 → 14 of 62.
- Gainsight Customer Success: 2% to 4%, +2. Inside the floor by 9 points · rank 10 → 7 of 62.
- ClientSuccess: 0% to 2%, +2. Inside the floor by 9 points · rank 11 → 10 of 62.
- HubSpot Service Hub: 10% to 11%, +1. Inside the floor by 10 points · rank 3 of 62, unchanged.
- Custify: 8% to 9%, +1. Inside the floor by 10 points · rank 4 of 62, unchanged.
- Planhat: 3% to 2%, −1. Inside the floor by 10 points · rank 7 → 8 of 62.
- Catalyst: 0% to 0%, ±0. Inside the floor by 11 points · rank 12 → 15 of 62.

## Record

- Method: https://www.gane.ai/index/gtm/methodology
- License: CC BY 4.0. Cite as Gane Index, November 2026 Edition, www.gane.ai/index/gtm.