# Custify vs Skalin: which do AI models recommend for customer success, September 2026

GTM AI Recommendation Index, September 2026 Edition, Customer success platforms. Zero of twelve models named Custify first on the direct prompt; zero named Skalin. Page: https://gtm-ai-index.com/customer/customer-success-platforms/custify-vs-skalin/

| | First-choice share | Rank | Negative rate | Labels | Models naming it |
|---|---|---|---|---|---|
| Custify | 16% | #3 of 10 | 5% | 42 | 11 of 12 |
| Skalin | 4% | #6 of 10 | 7% | 14 | 7 of 12 |

## The direct prompt, model by model

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

## What the models said about Custify

- "Avoid: Pure SMB tools (Custify, Akita) — you'll outgrow them in 12-18 months." (Kimi K2, scale prompt, hard negative)
- "Avoid pricier options like Custify (~$199–$899/month)" (Grok 4.1 Fast, budget prompt, hard negative)
- "Custify and Skalin offer the best balance of dedicated customer success features and affordability" (Mistral Small, budget prompt, first choice)
- "If I had to give one default recommendation, I'd choose Custify for a limited-budget company" (Perplexity Sonar, budget prompt, first choice)
- "Custify — best overall value ... the most common sweet spot for budget-conscious SMB SaaS teams" (DeepSeek V4 Flash, budget prompt, first choice)

## What the models said about Skalin

- "Skalin claims #1 on Capterra/G2 (4.92/5), but lower visibility/scale vs. leaders." (Grok 4.1 Fast, direct prompt, soft negative)
- "Custify and Skalin offer the best balance of dedicated customer success features and affordability" (Mistral Small, budget prompt, first choice)
- "Vitally, ChurnZero, Catalyst, Custify, Skalin | Highly Recommended." (Gemini 3.5 Flash, scale prompt, first choice)
- "| Skalin | 4.90/5 | Top-rated for 5 years straight |" (DeepSeek V4 Flash, negative 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.