# Dreamdata vs Cometly: which do AI models recommend for Attribution & MMM, October 2026

GTM AI Recommendation Index, October 2026 Edition, Attribution and marketing mix modeling. Nine of fourteen models named Dreamdata first on the direct prompt; zero named Cometly. Page: https://gtm-ai-index.com/marketing/attribution-mmm/dreamdata-vs-cometly/

| | First-choice share | Rank | Negative rate | Labels | Models naming it |
|---|---|---|---|---|---|
| Dreamdata | 27% | #1 of 17 | 8% | 38 | 14 of 14 |
| Cometly | 2% | #8 of 17 | 7% | 15 | 8 of 14 |

## The direct prompt, model by model

- Claude Haiku 4.5: dreamdata first (first choices: Dreamdata, HockeyStack) (alternatives: CaliberMind, HubSpot Marketing Hub, Rockerbox, SegmentStream)
- GPT-5.4 mini: dreamdata first (first choices: Dreamdata) (alternatives: HockeyStack, Measured)
- Perplexity Sonar: dreamdata first (first choices: Dreamdata) (alternatives: HockeyStack, Improvado, SegmentStream)
- Grok 4.1 Fast: dreamdata first (first choices: Dreamdata) (alternatives: Factors.ai, HockeyStack, Rockerbox)
- Mistral Small: dreamdata first (first choices: Dreamdata, MixModeler) (alternatives: Northbeam)
- DeepSeek V4 Flash: dreamdata first (first choices: Dreamdata, Rockerbox) (alternatives: HockeyStack, Marketing Evolution, Measured)
- Kimi K2: dreamdata first (first choices: Dreamdata) (alternatives: Factors.ai, Recast, Rockerbox)
- GLM 4.7 FlashX: dreamdata first (first choices: Dreamdata) (alternatives: Cometly, HubSpot Marketing Hub, Keen Decision Systems, Rockerbox, Ruler Analytics)
- Muse Glimmer 30B: dreamdata first (first choices: Dreamdata) (alternatives: Admetrics, Adobe Marketo Measure, HockeyStack, Rockerbox)
- Gemini 3.5 Flash: neither first, one named (first choices: CaliberMind) (alternatives: Dreamdata, HockeyStack, RevSure, SegmentStream)
- Llama 4 Maverick: neither first, one named (first choices: Rockerbox) (alternatives: Attribution, Dreamdata, Northbeam)
- Qwen 3.7 Flash: neither first, one named (first choices: Rockerbox) (alternatives: Dreamdata)
- MiniMax M2.5: neither first, one named (first choices: HockeyStack, Marketing Evolution) (alternatives: Adobe Marketo Measure, Dreamdata)
- GPT-6 Luna: neither first, one named (first choices: HockeyStack) (alternatives: Dreamdata, Paramark)

## What the models said about Dreamdata

- ""losing head-to-head comparisons" against competitors, with users actively seeking alternatives" (DeepSeek V4 Flash, negative prompt, soft negative)
- "What to Avoid on a Tight Budget - Dreamdata starts at ~$750/month" (Kimi K2, budget prompt, soft negative)
- "but these are better fits when your budget is no longer very limited" (Perplexity Sonar, budget prompt, soft negative)
- "Dreamdata or Factors.ai for attribution, and Google Meridian or Northbeam for MMM, would be the most balanced and effective choices." (Mistral Small, paraphrase prompt, first choice)
- "Attribution: Dreamdata if your buying cycles are long, account-based, and you want B2B-specific multi-touch attribution tied to revenue" (GPT-5.4 mini, paraphrase prompt, first choice)
- "the strongest overall choice is usually Dreamdata if your priority is B2B revenue attribution and customer-journey analysis" (Perplexity Sonar, direct prompt, first choice)

## What the models said about Cometly

- "Cometly is built for digital-only marketers; if more than 20% of your spend is in offline channels, it doesn't support those natively" (Claude Haiku 4.5, negative prompt, soft negative)
- "Cometly (Best for Cost-Effective Multi-Channel Optimization) ... Choose this if you want actionable, daily insights to optimize ad spend without a massive price tag." (Qwen 3.7 Flash, budget prompt, first choice)
- "Cometly - a self-service attribution platform that combines real-time multi-touch attribution with MMM-style aggregated modeling." (Llama 4 Maverick, comparative prompt, first choice)
- "Choose Cometly if you’re a performance‑marketing team with high ad spend and need server‑side accuracy." (GLM 4.7 FlashX, direct prompt, alternative)

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. Comparisons are drawn for the top eight products in each category. Published under CC BY 4.0; the output is the models' output, and nothing here is a recommendation by the index.