GTM AI Index
Index Marketing Loyalty › GrowSurf vs Ambassador
Loyalty, advocacy and referrals · September 2026 Edition

GrowSurf vs Ambassador

Two of twelve models named GrowSurf first on the direct prompt; two named Ambassador. GrowSurf was named by ten of the twelve models and Ambassador by nine and GrowSurf carries 14 labels and Ambassador 19, so the shares are not directly comparable.

GrowSurf

accepted challenger

Named in two categories this edition.

Ambassador

accepted challenger

Named in two categories this edition.

First-choice share5%5%Of first choices across the direct, paraphrase, budget and scale prompts, 0 to 100.
Negative rate0%16%Negative labels as a share of the product's labels, 0 to 100.
Rank in category#4#5A position in a field of 18; printed, not drawn.
Labels1419A count; the two differ.
The two percentage rows are drawn on one 0 to 100 track, GrowSurf reading right to left. Rank and label count are printed, not drawn.Referral Rock was named alongside these two in seven of the twelve direct answers. Smile.io vs GrowSurf · Smile.io vs Ambassador · Referral Rock vs GrowSurf

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

How many of the twelve models made each the first choice, per way of asking, and how many argued against it.
GrowSurfFirst choices, of twelve modelsAmbassador
Direct22
Paraphrase001 against Ambassador
Comparative00
Budget-constrained00
Scale-constrained00
Negative002 against Ambassador
Bars are first choices, 0 to 12 each sideModels that argued againstA model can name both, so the two sides of a row do not sum to twelve.

Across every category in the September 2026 Edition, GrowSurf and Ambassador were named in the same answer thirty-nine times, of the 91 answers naming GrowSurf and the 116 naming Ambassador. In those answers Ambassador took the first choice five times and GrowSurf one.

Every model, every framing

The seventy-two answers behind the chart above, one cell each: where GrowSurf and Ambassador stood in it.
ModelDirectParaphraseComparativeBudget-constrainedScale-constrainedNegative
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
GrowSurf Ambassador first choice named as an alternative argued againstblank: not namedEach cell is one answer, GrowSurf on the left and Ambassador on the right.

The direct prompt

The plain question, one answer per model, grouped by where GrowSurf and Ambassador stood in it.

GrowSurf first, Ambassador not the choice

2 of 12 modelsAmbassador was named in the answer but not as the choice, or not at all.
Mistral SmallGrowSurf alternatives: PartnerStack, True Loyal
MiniMax M2.5GrowSurf, Referral Rock alternatives: FirstPromoter, Kademi, Zinrelo

Ambassador first, GrowSurf not the choice

2 of 12 modelsGrowSurf was named in the answer but not as the choice, or not at all.
GPT-5.4 miniAmbassador alternatives: CustomerGauge, Referral Factory, Salesforce Loyalty Management
DeepSeek V4 FlashAmbassador alternatives: CustomerGauge, PartnerStack, Referral Rock

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.
Claude Haiku 4.5CustomerGauge alternatives: GrowSurf, Referral Rock, Salesforce Loyalty Management, Zinrelo
Grok 4.1 FastInfluitive alternatives: Ambassador, Referral Rock, TrueLoyal
Llama 4 Maverickno first choice alternatives: GrowSurf, Referral Rock
Qwen 3.7 FlashInfluitive alternatives: Ambassador, CustomerGauge

Neither was named

4 of 12 modelsThe answer made no first choice from these two in this category.
Gemini 3.5 FlashReferral Rock alternatives: Annex Cloud, Influitive, PartnerStack, SaaSquatch
Perplexity SonarCustomerGauge, Open Loyalty alternatives: Talon.One
Kimi K2Referral Rock, Zinrelo alternatives: Kademi, PartnerStack
GLM 4.7 FlashXTrue Loyal alternatives: Annex Cloud, Open Loyalty, Yotpo Loyalty & Referrals

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

The same question asked on behalf of a different buyer. Each standing is computed within its segment and they are never added together. The figures above are the mid-market standing, which is the one the category orders by.
Small business
Level: the same share of first choices.
GrowSurf0%#6 of 11
Ambassador0%#10 of 11
The full small business standing →
Mid-marketThe figures above
Level: the same share of first choices.
GrowSurf5%#4 of 18
Ambassador5%#5 of 18
The full mid-market standing →
Enterprise
Ambassador leads by two points.
Ambassador2%#8 of 18
GrowSurf0%#– of 18
The full enterprise standing →

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

What the models said about Ambassador

Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Three of three in this category shown.

“Platforms to Avoid or Be Cautious About ... 1. Ambassador Red Flags: - Poor customer service” GLM 4.7 FlashX · negative prompt · hard negative
“Significantly lower entry-level pricing compared to enterprise tools like Extole or Ambassador.” Gemini 3.5 Flash · paraphrase prompt · soft negative
“My practical pick: Ambassador ... a good default for B2B growth teams” GPT-5.4 mini · direct prompt · first choice
Also compared

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.