# Referral and partner programs: what AI models recommend, October 2026

Gane Index, October 2026 Edition. Asked as "referral program software" and as "partner ecosystem and referral tracking tool", six framings each, to fourteen models with search on, on behalf of a mid-market B2B company. Page: https://www.gane.ai/index/gtm/partner/referral-and-partner-programs/2026-10

This is the permanent record of the October 2026 Edition, published October 1, 2026 and superseded since.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/partner/referral-and-partner-programs/index.md

**Standing:** PartnerStack leads with 22% of first choices; verdict contested. 54 first choices across the direct, paraphrase, budget and scale prompts.

## First-choice share

| Rank | Product | Share | Negative rate | Labels |
|---|---|---|---|---|
| 1 | [PartnerStack](https://www.gane.ai/index/gtm/vendors/partnerstack/index.md) | 22% | 0% | 30 |
| 2 | [Referral Rock](https://www.gane.ai/index/gtm/vendors/referral-rock/index.md) | 13% | 17% | 36 |
| 3 | [Smile.io](https://www.gane.ai/index/gtm/vendors/smile-io/index.md) | 13% | 0% | 10 |
| 4 | [GrowSurf](https://www.gane.ai/index/gtm/vendors/growsurf/index.md) | 6% | 17% | 23 |
| 5 | [ReferralCandy](https://www.gane.ai/index/gtm/vendors/referralcandy/index.md) | 6% | 31% | 39 |
| 6 | [Cello](https://www.gane.ai/index/gtm/vendors/cello/index.md) | 6% | 0% | 13 |
| 7 | [Friendbuy](https://www.gane.ai/index/gtm/vendors/friendbuy/index.md) | 4% | 9% | 23 |
| 8 | [Ambassador](https://www.gane.ai/index/gtm/vendors/ambassador/index.md) | 4% | 6% | 16 |
| 9 | [Referral Factory](https://www.gane.ai/index/gtm/vendors/referral-factory/index.md) | 4% | 12% | 17 |
| 10 | [FirstPromoter](https://www.gane.ai/index/gtm/vendors/firstpromoter/index.md) | 2% | 9% | 11 |
| 11 | [Yotpo Loyalty & Referrals](https://www.gane.ai/index/gtm/vendors/yotpo-loyalty-referrals/index.md) | 2% | 8% | 12 |
| 13 | [Talkable](https://www.gane.ai/index/gtm/vendors/talkable/index.md) | 2% | 17% | 12 |

Rank is by share of first choices among all 111 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: Cello; alternatives Friendbuy, PartnerStack, Referral Rock
- GPT-5.4 mini: Referral Factory; alternatives Ambassador, PartnerStack, Referral Rock, impact.com
- Gemini 3.5 Flash: Referral Rock; alternatives GrowSurf, PartnerStack, Referral Factory, impact.com Advocate
- Perplexity Sonar: Referral Rock; alternatives Ambassador, CustomerGauge, GrowSurf, Referral Factory
- Grok 4.20: Ambassador; alternatives PartnerStack, Referral Rock
- Mistral Small: Referral Rock; alternatives SaaSquatch
- DeepSeek V4 Flash: Cello, Referral Rock; alternatives Ambassador, GrowSurf, PartnerStack
- Llama 4 Maverick: Friendbuy; alternatives Partnero, Referral Rock, SaaSquatch
- Qwen 3.7 Flash: PartnerStack; alternatives Cello.so, Partnero
- Kimi K2: Referral Rock; alternatives FirstPromoter, PartnerStack
- GLM 4.7 FlashX: Cello; alternatives Ambassador, Extole, Referral Factory, Referral Rock
- MiniMax M2.5: Referral Rock; alternatives Ambassador, Friendbuy, PartnerStack
- GPT-6 Luna: SaaSquatch; alternatives PartnerStack, Referral Rock
- Muse Glimmer 30B: Ambassador; alternatives Extole, PartnerStack, Partnerize, Referral Rock

## Sources the answers cite

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

- growsurf.com: 31 answers, 50 citations
- cello.so: 30 answers, 55 citations
- openloyalty.io: 29 answers, 29 citations
- tremendous.com: 28 answers, 29 citations
- moosend.com: 24 answers, 24 citations
- referralcandy.com: 21 answers, 29 citations
- referralrock.com: 21 answers, 27 citations
- prefinery.com: 21 answers, 25 citations

Pages named in the most answers:

- https://tremendous.com/blog/referral-marketing-tools (28 answers)
- https://openloyalty.io/insider/best-referral-software (28 answers)
- https://growsurf.com/blog/mega-list-of-referral-software (26 answers)
- https://moosend.com/blog/referral-marketing-software (24 answers)
- https://cello.so/blog/referral-software-platforms-compared (19 answers)
- https://prefinery.com/blog/referral-programs/software-3 (18 answers)
- https://thecmo.com/tools/referral-marketing-software (15 answers)
- https://extole.com/blog/referral-software-integrations (14 answers)
- https://firstpromoter.com/blog/best-referral-marketing-software (13 answers)
- https://influencermarketinghub.com/social-media-posting-scheduling-tools/top-referral-marketing-software-tools (13 answers)

## Warned against

- ReferralCandy: 12 of 39 labels negative. "Consumer-first tools like ReferralCandy and Viral Loops fail B2B programs because they track by user ID, not org, and have no CRM integration for sales-led funnels." (Muse Glimmer 30B, negative prompt)
- Viral Loops: 8 of 20 labels negative. "Consumer-first tools like ReferralCandy and Viral Loops fail B2B programs because they track by user ID, not org, and have no CRM integration" (Muse Glimmer 30B, negative prompt)
- Referral Rock: 6 of 36 labels negative. "starts at $175/month flat rate. There is a mandatory onboarding fee on top of that... The interface has been consistently described by users as dated." (Muse Glimmer 30B, negative prompt)
- GrowSurf: 4 of 23 labels negative. "Examples: Viral Loops, GrowSurf ... Avoid highly technical, developer-centric platforms (like GrowSurf) unless you have dedicated in-house engineers" (Gemini 3.5 Flash, negative prompt)

## Movement since September 2026

Floor: 11 points of share, measured on the calibration repeat.
Same leader: PartnerStack at 22%.

- GrowSurf: 0% to 7%, +7. Inside the floor by 4 points · rank 21 → 4 of 105.
- ReferralCandy: 10% to 4%, −6. Inside the floor by 5 points · rank 3 → 7 of 105.
- Ambassador: 8% to 2%, −6. Inside the floor by 5 points · rank 4 → 8 of 105.
- Friendbuy: 0% to 4%, +4. Inside the floor by 7 points · rank 22 → 6 of 105.
- Viral Loops: 4% to 0%, −4. Inside the floor by 7 points · rank 6 → 28 of 105.
- PartnerStack: 19% to 22%, +3. Inside the floor by 8 points · rank 1 of 105, unchanged.
- Cello: 4% to 7%, +3. Inside the floor by 8 points · rank 7 → 5 of 105.
- Yotpo Loyalty & Referrals: 0% to 2%, +2. Inside the floor by 9 points · rank 31 → 11 of 105.
- Talkable: 0% to 2%, +2. Inside the floor by 9 points · rank 26 → 12 of 105.
- impact.com: 2% to 0%, −2. Inside the floor by 9 points · rank 13 → 21 of 105.
- Referral Rock: 15% to 15%, ±0. Inside the floor by 11 points · rank 2 of 105, unchanged.
- Referral Factory: 2% to 2%, ±0. Inside the floor by 11 points · rank 12 → 9 of 105.

## 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.