Referral Rock vs GrowSurf
Three of twelve models named Referral Rock first on the direct prompt; two named GrowSurf. Referral Rock was named by nine of the twelve models and GrowSurf by ten and Referral Rock carries 23 labels and GrowSurf 14, so the shares are not directly comparable.
Named in two categories this edition.
Named in two categories this edition.
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; every quote names the model and the prompt it came from. Both figures come from the loyalty, advocacy and referrals page.
By framing
Referral RockFirst choices, of twelve modelsGrowSurf
Across every category in the September 2026 Edition, Referral Rock and GrowSurf were named in the same answer sixty times, of the 148 answers naming Referral Rock and the 91 naming GrowSurf. In those answers GrowSurf took the first choice four times and Referral Rock nineteen.
Every model, every framing
| Model | Direct | Paraphrase | Comparative | Budget-constrained | Scale-constrained | Negative |
|---|---|---|---|---|---|---|
| Claude Haiku 4.5 | | | ||||
| GPT-5.4 mini | ||||||
| Gemini 3.5 Flash | | | | |||
| Perplexity Sonar | ||||||
| Grok 4.1 Fast | | | | |||
| Mistral Small | | | ||||
| DeepSeek V4 Flash | | | ||||
| Llama 4 Maverick | | |||||
| Qwen 3.7 Flash | | |||||
| Kimi K2 | | | | |||
| GLM 4.7 FlashX | ||||||
| MiniMax M2.5 | | |
Referral Rock GrowSurf first choice named as an alternative argued againstblank: not namedEach cell is one answer, Referral Rock on the left and GrowSurf on the right.The direct prompt
Both were the first choice
1 of 12 modelsThe answer named them together, and the judge labeled each a first choice.Referral Rock first, GrowSurf not the choice
2 of 12 modelsGrowSurf was named in the answer but not as the choice, or not at all.GrowSurf first, Referral Rock not the choice
1 of 12 modelsReferral Rock was named in the answer but not as the choice, or not at all.Neither was the first choice, one was named
4 of 12 modelsThe answer put something else first and named one of the two as an alternative.Neither was named
4 of 12 modelsThe answer made no first choice from these two in this category.Bold names in an answer are the products the judge labeled a first choice; a model naming several gives each of them that label. The full answer text for every row is in the record.
By buyer segment
Referral Rock30%#2 of 11GrowSurf0%#6 of 11Referral Rock22%#2 of 18GrowSurf5%#4 of 18Referral Rock2%#10 of 18GrowSurf0%#– of 18What the models said about Referral Rock
Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Two of two in this category shown.
“Top Pick: Referral Rock ... highly regarded for mid-market B2B companies because it is built to handle the complexity of longer B2B sales cycles” Gemini 3.5 Flash · direct prompt · first choice
“For most mid-sized B2B companies, I'd recommend starting with Referral Rock for its focused referral capabilities and reasonable pricing” Mistral Small · paraphrase prompt · first choice
What the models said about GrowSurf
Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Two of two in this category shown.
“I'd recommend Referral Rock or GrowSurf as your top choices” MiniMax M2.5 · direct prompt · first choice
“Best Overall for Mid-Market B2B: GrowSurf” Mistral Small · direct prompt · first choice
Comparisons are drawn for the top eight products in each category, each against each. The output is the models' output; nothing here is a recommendation by the index.