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

GTM AI Recommendation Index, September 2026 Edition. Asked as "referral program software" and as "partner ecosystem and referral tracking tool", six framings each, to twelve models with search on, on behalf of a mid-market B2B company. Page: https://gtm-ai-index.com/partner/referral-and-partner-programs/

**Standing:** PartnerStack leads with 19% of first choices; verdict contested. 48 first choices across the direct, paraphrase, budget and scale prompts.

## First-choice share

| # | Product | Share | Negative rate | Labels |
|---|---|---|---|---|
| 1 | PartnerStack | 19% | 10% | 21 |
| 2 | Referral Rock | 15% | 3% | 34 |
| 3 | ReferralCandy | 10% | 10% | 31 |
| 4 | Ambassador | 8% | 9% | 22 |
| 5 | Viral Loops | 4% | 20% | 20 |
| 6 | FirstPromoter | 2% | 6% | 16 |
| 7 | Referral Factory | 2% | 15% | 13 |
| 8 | GrowSurf | 0% | 11% | 27 |
| 9 | Friendbuy | 0% | 15% | 26 |
| 10 | Extole | 0% | 12% | 16 |
| 11 | Talkable | 0% | 17% | 12 |

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

- Claude Haiku 4.5: Cello; alternatives Friendbuy, Influitive, Partnero, Referral Rock
- GPT-5.4 mini: Referral Rock; alternatives Friendbuy, Referral Factory
- Gemini 3.5 Flash: Referral Rock; alternatives GrowSurf, PartnerStack, impact.com Advocate
- Perplexity Sonar: Ambassador; alternatives CustomerGauge, GrowSurf, Referral Rock
- Grok 4.1 Fast: Referral Rock; alternatives Ambassador, GrowSurf, Influitive
- Mistral Small: Referral Rock; alternatives Ambassador, Cello, GrowSurf
- DeepSeek V4 Flash: Referral Rock; alternatives Ambassador, GrowSurf
- Llama 4 Maverick: no first choice
- Qwen 3.7 Flash: Cello; alternatives Friendbuy, GrowSurf, Referral Rock
- Kimi K2: Referral Rock; alternatives Ambassador, GrowSurf, Influitive
- GLM 4.7 FlashX: Ambassador, PartnerStack; alternatives GrowSurf, Referral Rock, impact.com
- MiniMax M2.5: Referral Rock; alternatives Mention Me, impact.com

## Sources the answers cite

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

- referralcandy.com: 6 answers, 9 citations
- tremendous.com: 6 answers, 6 citations
- extole.com: 5 answers, 6 citations
- referral-factory.com: 5 answers, 5 citations
- capterra.com: 4 answers, 4 citations
- customergauge.com: 4 answers, 4 citations
- linkjolt.io: 4 answers, 4 citations
- openloyalty.io: 4 answers, 4 citations

Pages named in the most answers:

- https://tremendous.com/blog/referral-marketing-tools (6 answers)
- https://customergauge.com/blog/b2b-referral-software (4 answers)
- https://extole.com/blog/retail-referral-software (4 answers)
- https://growthmarketingpro.com/referral-program-software (3 answers)
- https://influencermarketinghub.com/social-media-posting-scheduling-tools/top-referral-marketing-software-tools (3 answers)
- https://introw.io/blog/best-referral-management-software (3 answers)
- https://linkjolt.io/blog/best-referral-marketing-software (3 answers)
- https://logicalcommander.com/post/best-referral-program-software-1 (3 answers)
- https://moosend.com/blog/referral-marketing-software (3 answers)
- https://referral-factory.com/ (3 answers)

## Warned against

- Friendbuy: 4 of 26 labels negative. "here are the tools you should avoid or scrutinize closely:

### 1. Friendbuy ... frequently flagged for "contractual friction."" (Qwen 3.7 Flash, negative prompt)
- Viral Loops: 4 of 20 labels negative. "Multiple reports of billing issues ... 1-star reviews highlight "deceptive practices" and "waste of money."[" (Grok 4.1 Fast, negative prompt)
- Ambassador: 2 of 22 labels negative. "Some 1-star reviews describe it as "HORRIBLE" with poor handling of migrations." (Grok 4.1 Fast, negative prompt)
- Extole: 2 of 16 labels negative. "High Barrier to Entry ... Users describe the dashboard as "clunky" and non-intuitive." (Qwen 3.7 Flash, negative 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.