# PartnerStack vs Referral Factory: which do AI models recommend for referrals, September 2026

GTM AI Recommendation Index, September 2026 Edition, Referral and partner programs. One of twelve models named PartnerStack first on the direct prompt; zero named Referral Factory. Page: https://gtm-ai-index.com/partner/referral-and-partner-programs/partnerstack-vs-referral-factory/

| | First-choice share | Rank | Negative rate | Labels | Models naming it |
|---|---|---|---|---|---|
| PartnerStack | 19% | #1 of 11 | 10% | 21 | 11 of 12 |
| Referral Factory | 2% | #7 of 11 | 15% | 13 | 9 of 12 |

## The direct prompt, model by model

- GLM 4.7 FlashX: partnerstack first (first choices: Ambassador, PartnerStack) (alternatives: GrowSurf, Referral Rock, impact.com)
- GPT-5.4 mini: neither first, one named (first choices: Referral Rock) (alternatives: Friendbuy, Referral Factory)
- Gemini 3.5 Flash: neither first, one named (first choices: Referral Rock) (alternatives: GrowSurf, PartnerStack, impact.com Advocate)
- Claude Haiku 4.5: neither named (first choices: Cello) (alternatives: Friendbuy, Influitive, Partnero, Referral Rock)
- Perplexity Sonar: neither named (first choices: Ambassador) (alternatives: CustomerGauge, GrowSurf, Referral Rock)
- Grok 4.1 Fast: neither named (first choices: Referral Rock) (alternatives: Ambassador, GrowSurf, Influitive)
- Mistral Small: neither named (first choices: Referral Rock) (alternatives: Ambassador, Cello, GrowSurf)
- DeepSeek V4 Flash: neither named (first choices: Referral Rock) (alternatives: Ambassador, GrowSurf)
- Llama 4 Maverick: neither named
- Qwen 3.7 Flash: neither named (first choices: Cello) (alternatives: Friendbuy, GrowSurf, Referral Rock)
- Kimi K2: neither named (first choices: Referral Rock) (alternatives: Ambassador, GrowSurf, Influitive)
- MiniMax M2.5: neither named (first choices: Referral Rock) (alternatives: Mention Me, impact.com)

## What the models said about Referral Factory

- "*Caution for high-value or cash reward programs* — No automated fraud screening" (DeepSeek V4 Flash, negative prompt, soft negative)
- "Referral Factory & Viral Loops (Missing Critical Features)" (Kimi K2, negative prompt, soft negative)
- "single best answer for most companies with a limited budget, I'd pick Referral Factory for general use" (Perplexity Sonar, budget prompt, first choice)
- "Referral Factory for fast no-code setup" (Perplexity Sonar, comparative prompt, first choice)

Share is the count of first choices across the direct, paraphrase, budget and scale prompts over all twelve models, for a mid-market B2B company; rank is within the category. Comparisons are drawn for the top eight products in each category. Published under CC BY 4.0; the output is the models' output, and nothing here is a recommendation by the index.