GTM AI Index
Index Partner and channel PRM › Impartner vs PartnerStack
Partner relationship management · September 2026 Edition

Impartner vs PartnerStack

Zero of twelve models named Impartner first on the direct prompt; two named PartnerStack. Both were named by all twelve models and Impartner carries 34 labels and PartnerStack 45, so the shares are not directly comparable.

Impartner

criticized challenger

Named in three categories this edition.

PartnerStack

accepted challenger

Named in six categories this edition.

First-choice share7%4%Of first choices across the direct, paraphrase, budget and scale prompts, 0 to 100.
Negative rate41%22%Negative labels as a share of the product's labels, 0 to 100.
Rank in category#4#5A position in a field of 14; printed, not drawn.
Labels3445A count; the two differ.
The two percentage rows are drawn on one 0 to 100 track, Impartner reading right to left. Rank and label count are printed, not drawn.Channelscaler was named alongside these two in nine of the twelve direct answers. Channeltivity vs Impartner · Channeltivity vs PartnerStack · PartnerPortal.io vs Impartner

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 partner relationship management page.

By framing

How many of the twelve models made each the first choice, per way of asking, and how many argued against it.
ImpartnerFirst choices, of twelve modelsPartnerStack
Direct023 against Impartner
Paraphrase105 against Impartner
Comparative111 against Impartner
Budget-constrained004 against Impartner · 3 against PartnerStack
Scale-constrained20
Negative001 against Impartner · 7 against PartnerStack
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, Impartner and PartnerStack were named in the same answer eighty-two times, of the 198 answers naming Impartner and the 384 naming PartnerStack. In those answers PartnerStack took the first choice six times and Impartner seventeen.

Every model, every framing

The seventy-two answers behind the chart above, one cell each: where Impartner and PartnerStack 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
Impartner PartnerStack first choice named as an alternative argued againstblank: not namedEach cell is one answer, Impartner on the left and PartnerStack on the right.

The direct prompt

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

PartnerStack first, Impartner not the choice

2 of 12 modelsImpartner was named in the answer but not as the choice, or not at all.
Gemini 3.5 FlashChanneltivity, PartnerStack alternatives: Channelscaler, JourneyBee, Kiflo, Magentrix
DeepSeek V4 FlashChanneltivity, PartnerStack alternatives: Channelscaler, PartnerPortal.io

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.
GPT-5.4 miniImpartner PRM alternatives: Mindmatrix PRM, PartnerStack, Salesforce PRM, ZINFI UPM
Grok 4.1 FastChanneltivity alternatives: Channelscaler, Kiflo, PartnerStack
Mistral SmallJourneyBee alternatives: Channelscaler, Channeltivity, Impartner
Kimi K2JourneyBee alternatives: Channelscaler, Channeltivity, Impartner, PartnerStack

Neither was named

6 of 12 modelsThe answer made no first choice from these two in this category.
Claude Haiku 4.5ZINFI alternatives: Channelscaler, Impartner PRM
Perplexity SonarHubSpot alternatives: Salesforce PRM, Zoho CRM
Llama 4 MaverickJourneyBee
Qwen 3.7 FlashChannelscaler, Channeltivity alternatives: JourneyBee, Unifyr
GLM 4.7 FlashXJourneyBee alternatives: Channelscaler, Channeltivity, Kiflo
MiniMax M2.5Channeltivity alternatives: Channelscaler, Impartner PRM, Monday.com

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
PartnerStack leads by seven points.
PartnerStack7%#3 of 11
Impartner0%#11 of 11
The full small business standing →
Mid-marketThe figures above
The order flips: Impartner leads at mid-market.
Impartner7%#4 of 14
PartnerStack4%#5 of 14
The full mid-market standing →
Enterprise
Impartner leads by twenty-seven points.
Impartner27%#1 of 10
PartnerStack0%#10 of 10
The full enterprise standing →

What the models said about Impartner

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

“Best for: Large, structured enterprise channel organizations needing full-funnel automation ... Enterprise reseller/channel program with a big budget? → Impartner or ZINFI” DeepSeek V4 Flash · comparative prompt · first choice
“or Impartner if you want a more dedicated partner-management platform” GPT-5.4 mini · paraphrase prompt · first choice

What the models said about PartnerStack

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

“Trustpilot rating of 2.0/5 driven by payout delays, withheld commissions, and sudden account closures” DeepSeek V4 Flash · negative prompt · hard negative
“Trustpilot rating of only 2.0/5 ... Sudden account bans without clear explanations” Mistral Small · negative prompt · hard negative
“It is not built for traditional reseller, distributor, or co-selling channels” Gemini 3.5 Flash · negative prompt · hard negative
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.