# Referral and partner programs for small business buyers: 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 small B2B company. Page: https://gtm-ai-index.com/partner/referral-and-partner-programs/smb/

**Standing:** Referral Rock leads with 17% of first choices; verdict contested. 46 first choices across the direct, paraphrase, budget and scale prompts.

## First-choice share

| # | Product | Share | Negative rate | Labels |
|---|---|---|---|---|
| 1 | Referral Rock | 17% | 9% | 32 |
| 2 | PartnerStack | 15% | 55% | 20 |
| 3 | Smile.io | 11% | 10% | 10 |
| 4 | ReferralCandy | 9% | 15% | 33 |
| 5 | Referral Factory | 9% | 10% | 30 |
| 6 | FirstPromoter | 9% | 8% | 13 |
| 7 | GrowSurf | 2% | 6% | 16 |
| 8 | InviteReferrals | 2% | 0% | 11 |
| 9 | Tapfiliate | 2% | 9% | 11 |
| 10 | Viral Loops | 0% | 17% | 12 |
| 11 | Friendbuy | 0% | 63% | 19 |
| 12 | Talkable | 0% | 90% | 10 |

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

- Claude Haiku 4.5: no first choice; alternatives Referral Rock
- GPT-5.4 mini: Referral Factory; alternatives Referly
- Gemini 3.5 Flash: Referral Factory; alternatives FirstPromoter, GrowSurf, Referral Rock
- Perplexity Sonar: Referral Factory; alternatives Cello, Referral Rock
- Grok 4.1 Fast: GrowSurf; alternatives Cello, Referral Rock
- Mistral Small: Referral Rock; alternatives Cello, FirstPromoter, Introw, Referral Factory
- DeepSeek V4 Flash: Referral Rock; alternatives GrowSurf, Rewardful, Tapfiliate
- Llama 4 Maverick: no first choice
- Qwen 3.7 Flash: Referral Rock; alternatives Ambassador, GrowSurf
- Kimi K2: Referral Rock; alternatives FirstPromoter, Rewardful, Tapfiliate
- GLM 4.7 FlashX: Referral Rock; alternatives Genius Referrals, Referral Factory, Referral Rocket
- MiniMax M2.5: Referral Rock; alternatives Ambassador, HelloReferrals, Referral Factory

## 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:

- referralrock.com: 8 answers, 10 citations
- referral-factory.com: 6 answers, 11 citations
- referralcandy.com: 6 answers, 7 citations
- customergauge.com: 6 answers, 6 citations
- openloyalty.io: 6 answers, 6 citations
- tremendous.com: 6 answers, 6 citations
- affise.com: 5 answers, 5 citations
- capterra.com: 4 answers, 4 citations

Pages named in the most answers:

- https://customergauge.com/blog/b2b-referral-software (6 answers)
- https://tremendous.com/blog/referral-marketing-tools (6 answers)
- https://affise.com/blog/referral-software (5 answers)
- https://openloyalty.io/insider/best-referral-software (5 answers)
- https://capterra.com/referral-software (4 answers)
- https://moosend.com/blog/referral-marketing-software (4 answers)
- https://referral-factory.com/ (4 answers)
- https://referralrock.com/ (4 answers)
- https://tapfiliate.com/blog/blog-best-referral-program-software-cck (4 answers)
- https://collegian.com/sponsored/2025/12/top-5-referral-program-software-for-small-business-in-2026 (3 answers)

## Warned against

- Friendbuy: 12 of 19 labels negative. "geared toward enterprise e-commerce brands with high budgets. They often require 12-month contracts, have implementation fees" (MiniMax M2.5, negative prompt)
- PartnerStack: 11 of 20 labels negative. "What to Avoid... PartnerStack — Starts in the thousands with a revenue-share model; built for enterprise SaaS" (DeepSeek V4 Flash, paraphrase prompt)
- Talkable: 9 of 10 labels negative. "Why to avoid: Enterprise-only pricing (starting around $800+/month), no published pricing on their website, and no free trial." (DeepSeek V4 Flash, negative prompt)
- ReferralCandy: 5 of 33 labels negative. "Built for e-commerce/Shopify, not B2B. Success fees ... can get expensive." (DeepSeek V4 Flash, direct 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.