Two of fourteen models named AWS Clean Rooms first on the direct prompt; zero named Google Ads Data Hub. AWS Clean Rooms was named by twelve of the fourteen models and Google Ads Data Hub by twelve and AWS Clean Rooms carries 42 labels and Google Ads Data Hub 28, so the shares are not directly comparable.
Named in one category this edition.
By Google, Mountain View, California, United States, founded 1998. 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 data clean rooms page.
Across every category in the October 2026 Edition, AWS Clean Rooms and Google Ads Data Hub were named in the same answer forty-nine times, of the 142 answers naming AWS Clean Rooms and the 72 naming Google Ads Data Hub. In those answers Google Ads Data Hub took the first choice ten times and AWS Clean Rooms seven.
| Model | DirectACGA | ParaphraseACGA | ComparativeACGA | Budget-constrainedACGA | Scale-constrainedACGA | NegativeACGA |
|---|---|---|---|---|---|---|
| Claude Haiku 4.5 | GA | |||||
| GPT-5.4 mini | AC | AC | ACGA | AC | ||
| Gemini 3.5 Flash | GA | AC | ACGA | ACGA | GA | |
| Perplexity Sonar | AC | AC | AC | AC | ||
| Grok 4.1 Fast | AC | AC | ACGA | AC | AC | |
| Mistral Small | AC | AC | ||||
| DeepSeek V4 Flash | AC | AC | AC | ACGA | ACGA | |
| Llama 4 Maverick | ||||||
| Qwen 3.7 Flash | AC | GA | AC | |||
| Kimi K2 | AC | ACGA | ||||
| GLM 4.7 FlashX | ACGA | AC | GA | AC | GA | |
| MiniMax M2.5 | AC | ACGA | ||||
| GPT-6 Luna | AC | AC | ACGA | AC | GA | |
| Muse Glimmer 30B | ACGA | AC | GA |
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. Six of seven in this category shown.
“Pay-per-use (CRPU-hours); no free tier; costs can escalate quickly” Kimi K2 · budget prompt · hard negative
“Cloud-based (e.g., AWS Clean Rooms, Snowflake, Databricks) | Strong infrastructure, but integration complexity and variable TCO” Grok 4.1 Fast · negative prompt · soft negative
“Snowflake and AWS Clean Rooms get reasonable marks when properly configured — but watch for the cost/complexity pitfalls” DeepSeek V4 Flash · negative prompt · soft negative
“AWS Clean Rooms is often the safer default because the pricing is usage-based and there's no separate license to buy just to get started” GPT-5.4 mini · budget prompt · first choice
“AWS Clean Rooms is the top recommendation for most small businesses due to its pay-as-you-go pricing and free tier” Mistral Small · budget prompt · first choice
“Already on AWS → AWS Clean Rooms pay-as-you-go is the most budget-friendly entry point, no big upfront investment.” Muse Glimmer 30B · budget 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.
“Platform-owned environments such as Google Ads Data Hub, Amazon Marketing Cloud and Meta’s PET-based collaborations are widely adopted but raise lock-in, portability and conflict-of-interest questions.” Muse Glimmer 30B · negative prompt · soft negative
“Google Ads Data Hub and Amazon Marketing Cloud can be useful for analysis within their respective ecosystems, but don’t assume they provide a neutral view across all media.” GPT-6 Luna · negative prompt · soft negative
“Walled garden DCRs are incredibly powerful, but only within their own ecosystems. They are plagued by severe vendor lock-in.” Gemini 3.5 Flash · negative prompt · soft negative
“Crawl (The Low-Risk Start): Start with walled gardens. If 60% of your ad budget goes to Google or Amazon, set up Google Ads Data Hub or Amazon Marketing Cloud.” Gemini 3.5 Flash · scale prompt · first choice
“start with the free walled-garden options (Google, Amazon, Meta) depending on where you advertise most” MiniMax M2.5 · budget prompt · first choice
“If ad-focused, begin with free walled-garden DCRs (AMC/Google)—they solve 80% of needs without spend.” Grok 4.1 Fast · budget 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.