PartnerStack vs impact.com
Fourteen of fourteen models named PartnerStack first on the direct prompt; two named impact.com. Both were named by all fourteen models and PartnerStack carries 50 labels and impact.com 52, so the shares are not directly comparable.
Named in five categories this edition.
Named in six categories this edition.
Share is the count of first choices across the direct, paraphrase, budget and scale prompts over all fourteen 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 affiliate and partner management page.
By framing
PartnerStackFirst choices, of fourteen modelsimpact.com
Across every category in the October 2026 Edition, PartnerStack and impact.com were named in the same answer 183 times, of the 419 answers naming PartnerStack and the 271 naming impact.com. In those answers impact.com took the first choice thirty-two times and PartnerStack forty.
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 4.20 | | | | | ||
| Mistral Small | | | ||||
| DeepSeek V4 Flash | | | | | | |
| Llama 4 Maverick | | | | |||
| Qwen 3.7 Flash | | | | | ||
| Kimi K2 | | | | | | |
| GLM 4.7 FlashX | | | | | ||
| MiniMax M2.5 | | | | | ||
| GPT-6 Luna | | | | |||
| Muse Glimmer 30B | | | |
PartnerStack impact.com first choice named as an alternative argued againstblank: not namedEach cell is one answer, PartnerStack on the left and impact.com on the right.The direct prompt
Both were the first choice
2 of 14 modelsThe answer named them together, and the judge labeled each a first choice.PartnerStack first, impact.com an alternative
12 of 14 modelsimpact.com was named in the answer but not as the choice, or not at all.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
PartnerStack25%#1 of 16impact.com0%#16 of 16PartnerStack49%#1 of 12impact.com13%#2 of 12impact.com38%#1 of 11PartnerStack34%#2 of 11What 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.
“For most mid-market B2B companies, PartnerStack offers the best balance of features, pricing, and B2B-specific functionality” GLM 4.7 FlashX · direct prompt · first choice
“Impact or PartnerStack – Both offer enterprise features, dedicated support, and handle complex commission structures” MiniMax M2.5 · scale prompt · first choice
“Choose a SaaS (Impact/PartnerStack) if you are a B2B company...It is generally cheaper and easier to set up than Impact.” Qwen 3.7 Flash · comparative prompt · first choice
What the models said about impact.com
Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Four of five in this category shown.
“Platforms to Avoid Entirely ... Impact.com | Multiple serious complaints about payment theft and account closures” GLM 4.7 FlashX · negative prompt · hard negative
“Impact.com is known for its ability to facilitate scalable partner programs across affiliates, influencers, and strategic B2B relationships.” Llama 4 Maverick · scale prompt · first choice
“Choose a SaaS (Impact/PartnerStack) if you are a B2B company, a high-volume e-commerce store, or a serious startup with a budget for growth” Qwen 3.7 Flash · comparative prompt · first choice
“Impact.com: The market leader for mature e-commerce brands looking for deep attribution, influencer integration, and global scale.” Gemini 3.5 Flash · scale 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.