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

Gane 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://www.gane.ai/index/gtm/marketing/loyalty-advocacy-and-referrals/2026-09

This is the permanent record of the September 2026 Edition, published September 15, 2026 and superseded since. The current standing: https://www.gane.ai/index/gtm/marketing/loyalty-advocacy-and-referrals/index.md

**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

| Rank | Product | Share | Negative rate | Labels |
|---|---|---|---|---|
| 1 | [Smile.io](https://www.gane.ai/index/gtm/vendors/smile-io/index.md) | 24% | 19% | 36 |
| 2 | [Referral Rock](https://www.gane.ai/index/gtm/vendors/referral-rock/index.md) | 22% | 0% | 23 |
| 3 | [Influitive AdvocateHub](https://www.gane.ai/index/gtm/vendors/influitive-advocatehub/index.md) | 12% | 20% | 25 |
| 4 | [GrowSurf](https://www.gane.ai/index/gtm/vendors/growsurf/index.md) | 5% | 0% | 14 |
| 5 | [Ambassador](https://www.gane.ai/index/gtm/vendors/ambassador/index.md) | 5% | 16% | 19 |
| 6 | [Referral Factory](https://www.gane.ai/index/gtm/vendors/referral-factory/index.md) | 5% | 8% | 12 |
| 8 | [SlapFive](https://www.gane.ai/index/gtm/vendors/slapfive/index.md) | 2% | 0% | 13 |
| 9 | [Open Loyalty](https://www.gane.ai/index/gtm/vendors/open-loyalty/index.md) | 2% | 0% | 15 |
| 10 | [Zinrelo](https://www.gane.ai/index/gtm/vendors/zinrelo/index.md) | 2% | 0% | 10 |
| 17 | [Annex Cloud](https://www.gane.ai/index/gtm/vendors/annex-cloud/index.md) | 0% | 12% | 16 |
| 18 | [Talon.One](https://www.gane.ai/index/gtm/vendors/talon-one/index.md) | 0% | 0% | 11 |
| 19 | [LoyaltyLion](https://www.gane.ai/index/gtm/vendors/loyaltylion/index.md) | 0% | 25% | 28 |

Rank is by share of first choices among all 116 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: 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 AdvocateHub, PartnerStack, SaaSquatch
- Perplexity Sonar: CustomerGauge, Open Loyalty; alternatives Talon.One
- Grok 4.20: Influitive AdvocateHub; 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 AdvocateHub; 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: 10 answers, 15 citations
- extole.com: 7 answers, 11 citations
- yotpo.com: 7 answers, 7 citations
- g2.com: 6 answers, 7 citations
- klaviyo.com: 6 answers, 7 citations
- voucherify.io: 6 answers, 7 citations
- customergauge.com: 5 answers, 6 citations
- talon.one: 5 answers, 6 citations

Pages named in the most answers:

- https://klaviyo.com/blog/best-referral-marketing-software (5 answers)
- https://openloyalty.io/insider/best-loyalty-software-comparison-guide (5 answers)
- https://extole.com/blog/retail-referral-software (4 answers)
- https://blog.hubspot.com/service/customer-advocacy-platforms (4 answers)
- https://customergauge.com/blog/b2b-referral-software (4 answers)
- https://gartner.com/reviews/market/loyalty-program-vendors (4 answers)
- https://voucherify.io/blog/best-loyalty-management-software-review (4 answers)
- https://extole.com/blog/referral-software-integrations (3 answers)
- https://guideflow.com/blog/best-customer-advocacy-software (3 answers)
- https://checkthat.ai/answers/what-are-the-best-customer-advocacy-program-tools (3 answers)

## Warned against

- Yotpo Loyalty & Referrals: 12 of 37 labels negative. "What to Avoid on a Tight Budget - Yotpo — Quote-based pricing, historically more expensive" (DeepSeek V4 Flash, budget prompt)
- 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)

## Record

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