# Loyalty, advocacy and referrals: what AI models recommend, September 2026

GTM AI Recommendation Index, September 2026 Edition. Asked as "customer loyalty and referral platform" and as "customer advocacy and referral program tool", six framings each, to twelve models with search on, on behalf of a mid-market B2B company. Page: https://gtm-ai-index.com/marketing/loyalty-advocacy-and-referrals/

**Standing:** Smile.io leads with 24% of first choices; verdict contested. 41 first choices across the direct, paraphrase, budget and scale prompts.

## First-choice share

| # | Product | Share | Negative rate | Labels |
|---|---|---|---|---|
| 1 | Smile.io | 24% | 19% | 36 |
| 2 | Referral Rock | 22% | 0% | 23 |
| 3 | Influitive | 10% | 17% | 23 |
| 4 | GrowSurf | 5% | 0% | 14 |
| 5 | Ambassador | 5% | 16% | 19 |
| 6 | Referral Factory | 5% | 8% | 12 |
| 7 | SlapFive | 2% | 0% | 13 |
| 8 | Open Loyalty | 2% | 0% | 14 |
| 9 | Zinrelo | 2% | 0% | 10 |
| 10 | Talon.One | 0% | 0% | 11 |
| 11 | Annex Cloud | 0% | 13% | 15 |
| 12 | LoyaltyLion | 0% | 25% | 28 |

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

- Claude Haiku 4.5: CustomerGauge; alternatives GrowSurf, Referral Rock, Salesforce Loyalty Management, Zinrelo
- GPT-5.4 mini: Ambassador; alternatives CustomerGauge, Referral Factory, Salesforce Loyalty Management
- Gemini 3.5 Flash: Referral Rock; alternatives Annex Cloud, Influitive, PartnerStack, SaaSquatch
- Perplexity Sonar: CustomerGauge, Open Loyalty; alternatives Talon.One
- Grok 4.1 Fast: Influitive; alternatives Ambassador, Referral Rock, TrueLoyal
- Mistral Small: GrowSurf; alternatives PartnerStack, True Loyal
- DeepSeek V4 Flash: Ambassador; alternatives CustomerGauge, PartnerStack, Referral Rock
- Llama 4 Maverick: no first choice; alternatives GrowSurf, Referral Rock
- Qwen 3.7 Flash: Influitive; alternatives Ambassador, CustomerGauge
- Kimi K2: Referral Rock, Zinrelo; alternatives Kademi, PartnerStack
- GLM 4.7 FlashX: True Loyal; alternatives Annex Cloud, Open Loyalty, Yotpo Loyalty & Referrals
- MiniMax M2.5: GrowSurf, Referral Rock; alternatives FirstPromoter, Kademi, Zinrelo

## Sources the answers cite

21 of 72 answers came back with a source list, from 4 of 12 models. Sites named in the most answers:

- openloyalty.io: 9 answers, 14 citations
- customergauge.com: 5 answers, 6 citations
- yotpo.com: 5 answers, 5 citations
- extole.com: 4 answers, 6 citations
- talon.one: 4 answers, 5 citations
- voucherify.io: 4 answers, 5 citations
- raftlabs.com: 4 answers, 4 citations
- bubblehouse.com: 3 answers, 4 citations

Pages named in the most answers:

- https://openloyalty.io/insider/best-loyalty-software-comparison-guide (5 answers)
- https://customergauge.com/blog/b2b-referral-software (4 answers)
- https://blog.hubspot.com/service/customer-advocacy-platforms (3 answers)
- https://extole.com/blog/retail-referral-software (3 answers)
- https://gartner.com/reviews/market/loyalty-program-vendors (3 answers)
- https://neoday.com/blog/best-customer-loyalty-platforms-2026 (3 answers)
- https://netguru.com/blog/best-customer-loyalty-software-platforms (3 answers)
- https://openloyalty.io/insider/best-loyalty-management-software (3 answers)
- https://tryxlr8.ai/blogs/best-customer-loyalty-and-referral-program-platforms-2026 (3 answers)
- https://voucherify.io/blog/best-loyalty-management-software-review (3 answers)

## Warned against

- Smile.io: 7 of 36 labels negative. "Billing complaints: Multiple merchants report being charged even after cancelling their free plan" (GLM 4.7 FlashX, negative prompt)
- Friendbuy: 5 of 22 labels negative. "Outdated customer service: Described as "stuck in the 80s" with slow response times" (GLM 4.7 FlashX, negative prompt)
- LoyaltyLion: 7 of 28 labels negative. "Better for larger/scale brands; minimal plans start around $100+/month" (DeepSeek V4 Flash, budget prompt)
- Yotpo: 8 of 21 labels negative. "What to Avoid on a Tight Budget - Yotpo — Quote-based pricing, historically more expensive" (DeepSeek V4 Flash, budget prompt)

## Record

- Method: https://gtm-ai-index.com/methodology/
- Raw judge labels and full responses: https://gtm-ai-index.com/data/
- License: CC BY 4.0. Cite as GTM AI Recommendation Index, September 2026 Edition, gtm-ai-index.com.