# Customer success platforms for enterprise buyers: 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 an enterprise B2B company. Page: https://www.gane.ai/index/gtm/customer/customer-success-platforms/2026-11/enterprise **Standing:** Gainsight Customer Success leads with 65% of first choices; verdict clear leader. 52 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) | 65% | 18% | 73 | | 2 | [Totango](https://www.gane.ai/index/gtm/vendors/totango/index.md) | 10% | 15% | 61 | | 3 | [Planhat](https://www.gane.ai/index/gtm/vendors/planhat/index.md) | 10% | 16% | 50 | | 4 | [ChurnZero](https://www.gane.ai/index/gtm/vendors/churnzero/index.md) | 4% | 22% | 63 | | 6 | [Vitally](https://www.gane.ai/index/gtm/vendors/vitally/index.md) | 2% | 23% | 39 | | 7 | [HubSpot Service Hub](https://www.gane.ai/index/gtm/vendors/hubspot-service-hub/index.md) | 2% | 25% | 12 | | 9 | [ClientSuccess](https://www.gane.ai/index/gtm/vendors/clientsuccess/index.md) | 2% | 46% | 13 | | 10 | [Catalyst](https://www.gane.ai/index/gtm/vendors/catalyst/index.md) | 0% | 21% | 19 | | 16 | [Custify](https://www.gane.ai/index/gtm/vendors/custify/index.md) | 0% | 31% | 13 | Rank is by share of first choices among all 39 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: Gainsight Customer Success; alternatives ChurnZero, Planhat, Totango - Gemini 3.5 Flash: Gainsight Customer Success; alternatives ChurnZero, Planhat, Totango, Vitally - Perplexity Sonar: Gainsight Customer Success; alternatives ChurnZero, Planhat, Salesforce Service Cloud, Totango - Grok 4.20: Gainsight Customer Success; alternatives Catalyst, ChurnZero, HubSpot Service Hub - Mistral Small: Gainsight Customer Success; alternatives ChurnZero, Totango - DeepSeek V4 Flash: Gainsight Customer Success; alternatives ChurnZero, Planhat, Totango - Llama 4 Maverick: Gainsight Customer Success; alternatives ChurnZero, Totango, Vitally - Qwen 3.7 Flash: Gainsight Customer Success; alternatives Catalyst, ChurnZero, Totango, Vitally - Kimi K2: Gainsight Customer Success; alternatives ChurnZero, Planhat, Totango - GLM 4.7 FlashX: Gainsight Customer Success; alternatives ChurnZero, Custify, HubSpot Service Hub, Totango - MiniMax M2.5: no first choice - GPT-6 Luna: Gainsight Customer Success; alternatives ChurnZero, Planhat - Muse Glimmer 30B: Gainsight Customer Success; alternatives ChurnZero, Totango ## Sources the answers cite 75 of 84 answers came back with a source list, from 14 of 14 models. Sites named in the most answers: - g2.com: 30 answers, 50 citations - albato.com: 27 answers, 27 citations - viewpointanalysis.com: 24 answers, 25 citations - workona.com: 22 answers, 22 citations - resources.rework.com: 21 answers, 24 citations - gainsight.com: 20 answers, 35 citations - churnzero.com: 18 answers, 33 citations - thecscafe.com: 17 answers, 17 citations Pages named in the most answers: - https://albato.com/blog/publications/best-customer-success-software (27 answers) - https://viewpointanalysis.com/post/customer-success-software-options (23 answers) - https://workona.com/csm-software/best-customer-success-software (22 answers) - https://g2.com/categories/customer-success/enterprise (17 answers) - https://thecscafe.com/p/best-customer-success-platforms (15 answers) - https://userpilot.com/blog/customer-success-tools (13 answers) - https://ciopages.com/buyer-guides/customer-success-platform (11 answers) - https://resources.rework.com/tools/customer-success/best-customer-success-software-2026 (11 answers) - https://appcues.com/blog/customer-success-software (9 answers) - https://clientsuccess.com/best-customer-success-software (9 answers) ## Warned against - ChurnZero: 14 of 63 labels negative. "ChurnZero – mid-market, not enterprise core ... "The software isn't great at handling a multi-tenant or multi-product subscription-based SaaS product like ours."" (Muse Glimmer 30B, negative prompt) - Gainsight Customer Success: 13 of 73 labels negative. "Best avoided unless you have a large CS ops team for ongoing maintenance; many enterprises report it as bloated and redundant with CRM features." (Grok 4.20, negative prompt) - Planhat: 8 of 50 labels negative. "lighter SMB-focused entry platforms fail when asked to model multi-instance CRM structures or handle strict field-level permissions" (Gemini 3.5 Flash, negative prompt) - Totango: 9 of 61 labels negative. "These are often credible enterprise options, but enterprises should still pressure-test API depth, data ingestion, permissioning" (GPT-5.4 mini, negative prompt) ## Movement since October 2026 Floor: 11 points of share, measured on the calibration repeat. Same leader: Gainsight Customer Success at 65%. - Totango: 2% to 10%, +8. Inside the floor by 3 points · rank 6 → 2 of 39. - Gainsight Customer Success: 69% to 65%, −4. Inside the floor by 7 points · rank 1 of 39, unchanged. - Planhat: 14% to 10%, −4. Inside the floor by 7 points · rank 2 → 3 of 39. - ChurnZero: 2% to 4%, +2. Inside the floor by 9 points · rank 5 → 4 of 39. - Vitally: 4% to 2%, −2. Inside the floor by 9 points · rank 3 → 6 of 39. - ClientSuccess: 0% to 2%, +2. Inside the floor by 9 points · rank 27 → 9 of 39. - HubSpot Service Hub: 2% to 2%, ±0. Inside the floor by 11 points · rank 7 of 39, unchanged. - Catalyst: 0% to 0%, ±0. Inside the floor by 11 points · rank 10 of 39, unchanged. - Custify: 0% to 0%, ±0. Inside the floor by 11 points · rank 35 → 16 of 39. ## 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.