# Customer success platforms for enterprise buyers: what AI models recommend, October 2026

Gane Index, October 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 an enterprise B2B company. Page: https://www.gane.ai/index/gtm/customer/customer-success-platforms/2026-10/enterprise

This is the permanent record of the October 2026 Edition, published October 1, 2026 and superseded since. The current standing: https://www.gane.ai/index/gtm/customer/customer-success-platforms/enterprise/index.md

**Standing:** Gainsight Customer Success leads with 69% of first choices; verdict consensus. 51 first choices across the direct, paraphrase, budget and scale prompts.

## First-choice share

| Rank | Product | Share | Negative rate | Labels |
|---|---|---|---|---|
| 1 | [Gainsight Customer Success](https://www.gane.ai/index/gtm/vendors/gainsight-customer-success/index.md) | 69% | 23% | 75 |
| 2 | [Planhat](https://www.gane.ai/index/gtm/vendors/planhat/index.md) | 14% | 15% | 54 |
| 3 | [Vitally](https://www.gane.ai/index/gtm/vendors/vitally/index.md) | 4% | 28% | 29 |
| 5 | [ChurnZero](https://www.gane.ai/index/gtm/vendors/churnzero/index.md) | 2% | 24% | 62 |
| 6 | [Totango](https://www.gane.ai/index/gtm/vendors/totango/index.md) | 2% | 22% | 55 |
| 7 | [HubSpot Service Hub](https://www.gane.ai/index/gtm/vendors/hubspot-service-hub/index.md) | 2% | 38% | 13 |
| 10 | [Catalyst](https://www.gane.ai/index/gtm/vendors/catalyst/index.md) | 0% | 15% | 13 |
| 27 | [ClientSuccess](https://www.gane.ai/index/gtm/vendors/clientsuccess/index.md) | 0% | 35% | 20 |
| 35 | [Custify](https://www.gane.ai/index/gtm/vendors/custify/index.md) | 0% | 50% | 10 |

Rank is by share of first choices among all 35 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: Gainsight Customer Success; alternatives ChurnZero, ClientSuccess, Vitally
- GPT-5.4 mini: Gainsight Customer Success; alternatives ChurnZero, Odie, Totango
- Gemini 3.5 Flash: Gainsight Customer Success; alternatives ChurnZero, Planhat
- Perplexity Sonar: Gainsight Customer Success; alternatives HubSpot Service Hub, Planhat
- Grok 4.20: Gainsight Customer Success; alternatives ChurnZero, Planhat, Salesforce Service Cloud
- Mistral Small: Gainsight Customer Success; alternatives Totango
- DeepSeek V4 Flash: Gainsight Customer Success; alternatives ChurnZero, Planhat
- Llama 4 Maverick: Gainsight Customer Success
- Qwen 3.7 Flash: Gainsight Customer Success; alternatives Salesforce Revenue Cloud, Salesforce Service Cloud
- Kimi K2: Gainsight Customer Success; alternatives Planhat, Totango
- GLM 4.7 FlashX: Gainsight Customer Success; alternatives ChurnZero, Totango
- MiniMax M2.5: Gainsight Customer Success; alternatives ChurnZero, HubSpot Customer Success Workspace
- GPT-6 Luna: Gainsight Customer Success; alternatives ChurnZero, Planhat
- Muse Glimmer 30B: Gainsight Customer Success; alternatives Catalyst, ChurnZero, Totango

## Sources the answers cite

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

- clientsuccess.com: 30 answers, 37 citations
- userpilot.com: 30 answers, 30 citations
- gainsight.com: 29 answers, 44 citations
- zapier.com: 29 answers, 29 citations
- learn.g2.com: 27 answers, 27 citations
- velaris.io: 27 answers, 27 citations
- appcues.com: 26 answers, 26 citations
- resources.rework.com: 25 answers, 43 citations

Pages named in the most answers:

- https://userpilot.com/blog/customer-success-tools (30 answers)
- https://zapier.com/blog/customer-success-tools (29 answers)
- https://learn.g2.com/best-customer-success-software (27 answers)
- https://appcues.com/blog/customer-success-software (23 answers)
- https://velaris.io/articles/top-10-customer-success-software-tools (21 answers)
- https://clientsuccess.com/best-customer-success-software (20 answers)
- https://guideflow.com/blog/customer-success-software-tools (16 answers)
- https://process.st/customer-success-software (15 answers)
- https://resources.rework.com/tools/customer-success/best-customer-success-software-2026 (15 answers)
- https://viewpointanalysis.com/post/customer-success-software-options-2026 (14 answers)

## Warned against

- Gainsight Customer Success: 17 of 75 labels negative. "Gainsight | Approach with extreme caution post-breach | Security breach, supply-chain risk, high cost" (MiniMax M2.5, negative prompt)
- ChurnZero: 15 of 62 labels negative. "ChurnZero — Not Ideal for Large Enterprise ... performance degrades at high scale" (Kimi K2, negative prompt)
- Totango: 12 of 55 labels negative. "Avoid entirely for large enterprise: Totango (UX, support, integration issues)" (DeepSeek V4 Flash, negative prompt)
- Planhat: 8 of 54 labels negative. "Account-Based Pricing Models (Planhat, Vitally, ChurnZero): These platforms use per-account pricing, which can become very expensive" (Mistral Small, negative prompt)

## Movement since September 2026

Floor: 11 points of share, measured on the calibration repeat.
Same leader: Gainsight Customer Success at 70%.

- Gainsight Customer Success: 83% to 70%, −13. Cleared the floor by 2 points · rank 1 of 33, unchanged.
- Planhat: 5% to 12%, +7. Inside the floor by 4 points · rank 2 of 33, unchanged.
- Vitally: 0% to 5%, +5. Inside the floor by 6 points · rank 9 → 3 of 33.
- ChurnZero: 0% to 2%, +2. Inside the floor by 9 points · rank 7 → 5 of 33.
- Totango: 2% to 2%, ±0. Inside the floor by 11 points · rank 4 → 6 of 33.
- HubSpot Service Hub: 2% to 2%, ±0. Inside the floor by 11 points · rank 6 → 7 of 33.
- Catalyst: 0% to 0%, ±0. Inside the floor by 11 points · rank 8 → 9 of 33.
- ClientSuccess: 0% to 0%, ±0. Inside the floor by 11 points · rank 34 → 25 of 33.

## Record

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