Six of fourteen models named Amazon Ads first on the direct prompt; zero named Instacart Ads. Both were named by all fourteen models and Amazon Ads carries 43 labels and Instacart Ads 29, so the shares are not directly comparable.
Named in five categories this edition.
Named in one category 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 retail media platforms page.
Across every category in the October 2026 Edition, Amazon Ads and Instacart Ads were named in the same answer fifty-seven times, of the 145 answers naming Amazon Ads and the 73 naming Instacart Ads. In those answers Instacart Ads took the first choice zero times and Amazon Ads thirty-eight.
| Model | DirectAA | ParaphraseAA | ComparativeAA | Budget-constrainedAA | Scale-constrainedAA | NegativeAA |
|---|---|---|---|---|---|---|
| Claude Haiku 4.5 | AA | AA | ||||
| GPT-5.4 mini | AA | AA | AA | |||
| Gemini 3.5 Flash | AA | AA | ||||
| Perplexity Sonar | AA | AA | ||||
| Grok 4.1 Fast | AA | AA | AA | AA | AA | |
| Mistral Small | AA | AA | ||||
| DeepSeek V4 Flash | AA | AA | AA | AA | ||
| Llama 4 Maverick | ||||||
| Qwen 3.7 Flash | AA | AA | ||||
| Kimi K2 | AA | |||||
| GLM 4.7 FlashX | AA | AA | AA | |||
| MiniMax M2.5 | AA | AA | ||||
| GPT-6 Luna | AA | AA | AA | |||
| Muse Glimmer 30B | AA | AA | AA |
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.
Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Three of four in this category shown.
“Start with Amazon Ads if your B2B products appear on Amazon ... it has the broadest tools, mid-market accessibility, and some B2B extensions.” Grok 4.1 Fast · direct prompt · first choice
“Amazon Ads (including Amazon Business and the DSP) is the most practical "best-fit" retail-media platform for most mid-market B2B companies.” MiniMax M2.5 · direct prompt · first choice
“Amazon remains the default for many brands due to its scale, mature tools, and proven performance. However, it can be competitive and expensive.” GLM 4.7 FlashX · comparative prompt · first choice
Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Six of eight in this category shown.
“such as Swiftly and Instacart Ads, have limited third-party review coverage, making it harder to validate their performance and reliability” Mistral Small · negative prompt · soft negative
“API rate limits can bottleneck high-volume advertisers, the schema has quarterly breaking changes requiring connector maintenance” Claude Haiku 4.5 · negative prompt · soft negative
“Instacart Ads if you are not a grocery/CPG brand, need scale beyond its audience” Perplexity Sonar · negative prompt · soft negative
“Amazon Advertising or Instacart Ads (if in grocery/FMCG) offer the best combination of low barriers to entry” Kimi K2 · budget prompt · first choice
“If you are a CPG brand trying to win the digital or physical grocery cart, prioritize Instacart and Kroger.” Gemini 3.5 Flash · comparative prompt · alternative
“If you sell grocery products and your customers shop through Instacart, its ads may be a better fit” GPT-6 Luna · budget prompt · alternative
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.