GTM AI Index
Index Marketing › Category 08 of 14 · September 2026 Edition
Marketing · 08 · Attribution & MMM

Attribution and marketing mix modeling

Asked as “marketing attribution and marketing mix modeling platform”, and as “attribution and MMM tool”, on behalf of a mid-market B2B software company. 27 first choices recorded across the direct, paraphrase, budget and scale prompts, six models each.
Standing
Dreamdata
30% of first choices with no negative labels at all across 22. The incumbents are the criticized half of this category: GA4 at 43% negative, Adobe Marketo Measure at 57%.

First-choice share

Recommended versus criticized

Every product with at least 10 labels here, on both axes. Leader at 30% or more of first choices; criticized at 25% or more negative labels. Markers are keyed to the table below.
Negative label rate →
25% negative
30% first choices
Criticized challenger
Criticized default
Accepted challenger
Endorsed leader
01
02
03
04
05
06
07
08
09
10
11
0%First-choice share →60%

Full standing

#ProductFirst choicesNegative rateLabelsQuadrant
01Dreamdata30%0%22accepted challenger
02HockeyStack19%0%17accepted challenger
03Google Meridian15%19%21accepted challenger
04Google Analytics 415%43%14criticized challenger
05Triple Whale4%27%15criticized challenger
06Meta Robyn4%38%16criticized challenger
07Measured0%7%14accepted challenger
08Recast0%17%12accepted challenger
09Rockerbox0%21%14accepted challenger
10Northbeam0%36%14criticized challenger
11Adobe Marketo Measure0%57%14criticized challenger

Warned against

A high negative share on a product with few labels is a warning. A low share on a product with many labels is salience, not sentiment.

Google Analytics 4
43%
6 of 14 labels negative · 4 of 6 models · 1 hard negative
“**Avoid using attribution reports alone as the final authority for cross-channel investment.**” GPT-6 Astra, negative prompt
Adobe Marketo Measure
57%
8 of 14 labels negative · 4 of 6 models
“Bizible became Marketo Measure under Adobe, and B2B practitioners have complained about slowed development post-acquisition.” Claude Opus 5, negative prompt
Google Meridian
19%
4 of 21 labels negative · 4 of 6 models
“Meridian and Robyn are free and production-grade, but they require in-house econometrics and Python capability... At 500 people, buy, unless you already have econometricians.” Claude Opus 5, scale prompt
Meta Robyn
38%
6 of 16 labels negative · 4 of 6 models
“Robyn’s documentation emphasizes analytical expertise, modeling assumptions, and experiment calibration. Neither framework removes the need for competent implementation.” GPT-6 Astra, negative prompt

Held under rewording

Whether each model's first choice on the direct prompt survived the paraphrase in this category, under the strict rule.

Claude Opus 5
Changed
Claude Opus 4.8
Held
GPT-6 Astra
Changed
GPT-5.6 Sol
Held
Gemini 3.1 Pro
Changed
Perplexity Sonar Pro
Held

Noise floor in this category

Flips between the edition run and its calibration repeat (simulated until 12 September 2026). Six prompts per model is a small sample; the index-wide floor is the number to trust.
Claude Opus 5
0 of 4 flipped
Claude Opus 4.8
1 of 3 flipped
GPT-6 Astra
1 of 3 flipped
GPT-5.6 Sol
0 of 4 flipped
Gemini 3.1 Pro
5 of 5 flipped
Perplexity Sonar Pro
1 of 4 flipped

What each model said, prompt by prompt

Six framings of the same buying question, each sent to every model in a fresh session with search on. Bold is the first choice, grey the alternatives, red what the answer argued against. Computed from the raw judge labels.
PromptClaude Opus 5Claude Opus 4.8GPT-6 AstraGPT-5.6 SolGemini 3.1 ProPerplexity Sonar Pro
Direct recommendation
What is the best marketing attribution and marketing mix modeling platform for a mid-market B2B software company?
Dreamdata, HockeyStack
Factors.ai, Google Meridian
against: Native HubSpot/Salesforce attribution, Recast
Dreamdata, HockeyStack
Factors.ai, Improvado, Measured, SegmentStream
CaliberMind
Dreamdata, HockeyStack
CaliberMind
Dreamdata, HockeyStack, Ruler Analytics
Dreamdata, HockeyStack
InfiniGrow, RevSure
against: Adobe Marketo Measure, Meta Robyn, Nielsen
Dreamdata
Integrate, RevSure
Paraphrase
Which attribution and MMM tool would you recommend to a mid-sized B2B software company?
Dreamdata
Factors.ai, Google Meridian, HockeyStack, HubSpot Marketing Hub +1
against: 6sense, Adobe Marketo Measure, Recast
Dreamdata, HockeyStack
Google Meridian, HubSpot Marketing Hub, Meta Robyn, Recast
against: Adobe Marketo Measure
Dreamdata
HockeyStack
against: Paramark
CaliberMind
Google Meridian, HockeyStack
against: Paramark
HockeyStack, InfiniGrow
Cassandra, Dreamdata
against: Adobe Marketo Measure
Dreamdata
CaliberMind, HockeyStack, HubSpot Marketing Hub, SegmentStream
against: Adobe Marketo Measure
Comparative
What are the top marketing attribution and marketing mix modeling platforms and how do they differ?
no first choice
Dreamdata, Google Meridian, Haus, HockeyStack +7
against: Analytic Partners, Ebiquity, Funnel +4
no first choice
no first choice
Ekimetrics, Northbeam, Recast, Rockerbox
Analytic Partners
Adjust, Adobe Marketing Campaign Analytics, Adobe Marketo Measure, AppsFlyer +11
Northbeam, Recast, Triple Whale
Adobe Marketo Measure, Cometly, Dreamdata, Lifesight +3
against: Google Analytics 4, Google Meridian, Meta Robyn
SegmentStream
Dreamdata, Measured, Northbeam, Rockerbox
against: Google Analytics 4
Budget constrained
What is the best marketing attribution and marketing mix modeling platform for a company with a limited budget?
Google Meridian
Dreamdata, Google Analytics 4, HubSpot Marketing Hub, Meta Robyn +2
against: Northbeam
Google Analytics 4, Google Meridian, Meta Robyn
ActiveCampaign
Google Analytics 4
Google Meridian, Triple Whale
against: Rockerbox
Google Analytics 4, Google Meridian
Stella
against: Funnel
Google Meridian, Triple Whale
AnyTrack, Dreamdata, Fibbler, Meta Robyn +3
against: Measured, Rockerbox, SegmentStream
Google Analytics 4
Cometly, Dreamdata, Triple Whale
Scale constrained
We are a 500 person company evaluating a marketing attribution and marketing mix modeling platform. What should we look at?
no first choice
against: Google Meridian, Meta Robyn
no first choice
no first choice
Dreamdata, Google Meridian, HockeyStack, Measured +3
no first choice
Google Meridian, Meta Robyn
no first choice
against: Kantar, Nielsen
no first choice
Negative framing
Which marketing attribution and marketing mix modeling platforms should I avoid or be cautious about?
Google Meridian, PyMC-Marketing
against: Adobe Marketo Measure, Adometry, Attribution 360 +8
no first choice
no first choice
against: Google Analytics 4, Google Meridian, Meta Robyn +3
no first choice
against: Adobe Attribution AI, Google Analytics 4, Google LightweightMMM +8
Measured, Recast
Dreamdata, Google LightweightMMM, HockeyStack, LiftLab +2
against: Google Analytics 4, Kantar, Looker Studio +6
no first choice
against: Adobe Analytics, Adobe Marketo Measure, Google Analytics 4

Normalization in this category

Every judgment call made between the raw labels and the numbers above, listed so it is visible and reversible.

Category-scoped readings
HubSpot read as HubSpot Marketing Hub
Unresolved, counted raw
Adobe Marketing Campaign Analytics
Native HubSpot/Salesforce attribution
Salesforce
Discontinued, still offered
Gemini 3.1 Pro named Google LightweightMMM as alternative on the negative prompt. Deprecated by Google in favor of Meridian.

Every prompt and answer

One row per call: the version string exactly as returned, whether the model searched, sources cited, latency and cost. Full answer text is in the responses download on the Data page.
PromptModelVersion stringTime (UTC)SearchedSourcesLatencyCost
Direct recommendationClaude Opus 5claude-opus-52026-09-08 13:15yes3174 s$0.38
Direct recommendationClaude Opus 4.8claude-opus-4-82026-09-08 13:16yes2971 s$0.32
Direct recommendationGPT-6 Astragpt-6-astra2026-09-08 13:18yes652 s$0.51
Direct recommendationGPT-5.6 Solgpt-5.6-sol2026-09-08 13:19yes591 s$0.35
Direct recommendationGemini 3.1 Progemini-3.1-pro-preview2026-09-08 13:17yes1149 s$0.06
Direct recommendationPerplexity Sonar Prosonar-pro2026-09-08 13:16yes198 s$0.01
ParaphraseClaude Opus 5claude-opus-52026-09-08 13:21yes3366 s$0.28
ParaphraseClaude Opus 4.8claude-opus-4-82026-09-08 13:21no024 s$0.06
ParaphraseGPT-6 Astragpt-6-astra2026-09-08 13:23yes641 s$0.38
ParaphraseGPT-5.6 Solgpt-5.6-sol2026-09-08 13:24yes542 s$0.18
ParaphraseGemini 3.1 Progemini-3.1-pro-preview2026-09-08 13:22yes1345 s$0.06
ParaphrasePerplexity Sonar Prosonar-pro2026-09-08 13:21yes209 s$0.01
ComparativeClaude Opus 5claude-opus-52026-09-08 13:25yes4190 s$0.33
ComparativeClaude Opus 4.8claude-opus-4-82026-09-08 13:26yes4062 s$0.26
ComparativeGPT-6 Astragpt-6-astra2026-09-08 13:29yes18107 s$0.77
ComparativeGPT-5.6 Solgpt-5.6-sol2026-09-08 13:31yes16105 s$0.40
ComparativeGemini 3.1 Progemini-3.1-pro-preview2026-09-08 13:27yes1637 s$0.05
ComparativePerplexity Sonar Prosonar-pro2026-09-08 13:27yes1918 s$0.02
Budget constrainedClaude Opus 5claude-opus-52026-09-08 13:32yes3866 s$0.27
Budget constrainedClaude Opus 4.8claude-opus-4-82026-09-08 13:33yes2559 s$0.26
Budget constrainedGPT-6 Astragpt-6-astra2026-09-08 13:35yes540 s$0.38
Budget constrainedGPT-5.6 Solgpt-5.6-sol2026-09-08 13:36yes553 s$0.24
Budget constrainedGemini 3.1 Progemini-3.1-pro-preview2026-09-08 13:34yes1545 s$0.05
Budget constrainedPerplexity Sonar Prosonar-pro2026-09-08 13:33yes208 s$0.01
Scale constrainedClaude Opus 5claude-opus-52026-09-08 13:37yes3791 s$0.30
Scale constrainedClaude Opus 4.8claude-opus-4-82026-09-08 13:38no030 s$0.07
Scale constrainedGPT-6 Astragpt-6-astra2026-09-08 13:40yes863 s$0.49
Scale constrainedGPT-5.6 Solgpt-5.6-sol2026-09-08 13:41yes477 s$0.22
Scale constrainedGemini 3.1 Progemini-3.1-pro-preview2026-09-08 13:39no030 s$0.03
Scale constrainedPerplexity Sonar Prosonar-pro2026-09-08 13:38yes2017 s$0.03
Negative framingClaude Opus 5claude-opus-52026-09-08 13:43yes40102 s$0.40
Negative framingClaude Opus 4.8claude-opus-4-82026-09-08 13:44yes3756 s$0.24
Negative framingGPT-6 Astragpt-6-astra2026-09-08 13:46yes759 s$0.40
Negative framingGPT-5.6 Solgpt-5.6-sol2026-09-08 13:47yes1082 s$0.32
Negative framingGemini 3.1 Progemini-3.1-pro-preview2026-09-08 13:45yes1247 s$0.06
Negative framingPerplexity Sonar Prosonar-pro2026-09-08 13:44yes2012 s$0.02
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