GTM AI Index
Index GTM data and infrastructure › Category 01 of 14 · September 2026 Edition
GTM data and infrastructure · 01 · CDP

Customer data platforms

Asked as “customer data platform”, and as “CDP”, on behalf of a mid-market B2B software company. 24 first choices recorded across the direct, paraphrase, budget and scale prompts, six models each.
Standing
Hightouch
42% of first choices, a clear leader, and an endorsed one: 8% of its 24 labels were negative. Segment takes second on share and first on resentment.

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
0%First-choice share →60%

Full standing

#ProductFirst choicesNegative rateLabelsQuadrant
01Hightouch42%8%24endorsed leader
02Segment25%27%33criticized challenger
03Census17%0%11accepted challenger
04RudderStack12%0%23accepted challenger
05Tealium0%14%14accepted challenger
06mParticle0%27%11criticized challenger
07Salesforce Data Cloud0%38%16criticized challenger
08Adobe Real-Time CDP0%56%16criticized 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.

Segment
27%
9 of 33 labels negative · 6 of 6 models
“When you have substantial anonymous traffic or very granular event collection. Billing can involve monthly tracked users, API calls, and throughput” GPT-6 Astra, negative prompt
Adobe Real-Time CDP
56%
9 of 16 labels negative · 5 of 6 models · 2 hard negative
“What I'd steer you away from - **Adobe Real-Time CDP or Salesforce Data Cloud** — ... Mid-market implementations routinely stall.” Claude Opus 5, paraphrase prompt
Salesforce Data Cloud
38%
6 of 16 labels negative · 4 of 6 models · 1 hard negative
“What I'd steer you away from - **Adobe Real-Time CDP or Salesforce Data Cloud**” Claude Opus 5, paraphrase prompt
mParticle
27%
3 of 11 labels negative · 3 of 6 models
“mParticle merged with Rokt in January 2025... acquisition transitions justify contractual road-map commitments” GPT-5.6 Sol, 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
Changed
GPT-6 Astra
Held
GPT-5.6 Sol
Held
Gemini 3.1 Pro
Held
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
2 of 3 flipped
GPT-5.6 Sol
1 of 3 flipped
Gemini 3.1 Pro
1 of 4 flipped
Perplexity Sonar Pro
1 of 3 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 customer data platform for a mid-market B2B software company?
Census, Hightouch
Segment
against: Adobe Real-Time CDP, Oracle Unity
Hightouch
Census, RudderStack, Segment
Hightouch
RudderStack, Segment
Hightouch
RudderStack, Segment
against: Salesforce Data Cloud
Census, Hightouch
Dreamdata, RudderStack
against: Segment
Segment
BlueConic, Hightouch, RudderStack, Tealium
Paraphrase
Which CDP would you recommend to a mid-sized B2B software company?
Hightouch, Segment
BlueConic, RudderStack, Tealium
against: Adobe Real-Time CDP, Bloomreach, Insider +2
Census, Hightouch
RudderStack, Segment
against: HubSpot
Hightouch
RudderStack, Segment
Hightouch
Microsoft Dynamics 365 Customer Insights, RudderStack, Segment
Census, Hightouch
CaliberMind, RudderStack, Segment
Segment
BlueConic, Hightouch
Comparative
What are the top customer data platforms and how do they differ?
Hightouch
RudderStack, Salesforce Data Cloud, Segment, Tealium +1
against: ActionIQ, Adobe Real-Time CDP, Amperity +2
no first choice
Adobe Real-Time CDP, Hightouch, Salesforce Data Cloud
against: Tealium
no first choice
Adobe Real-Time CDP, Amperity, Hightouch, RudderStack +4
no first choice
Adobe Real-Time CDP, Amperity, Bloomreach, Hightouch +6
no first choice
against: Adobe Real-Time CDP
no first choice
Adobe Real-Time CDP, Bloomreach, Klaviyo, RudderStack +3
Budget constrained
What is the best customer data platform for a company with a limited budget?
Segment
Jitsu, RudderStack
against: Klaviyo
RudderStack
HubSpot, Jitsu, Snowplow
against: Segment
Segment
RudderStack
RudderStack
Brevo, Lytics, PostHog
against: Segment
RudderStack, Tracardi
Apache Unomi, Census, Customer.io, Hightouch +2
against: Segment
Segment
Capsule, Customer.io, Fivetran, Klaviyo +1
Scale constrained
We are a 500 person company evaluating a customer data platform. What should we look at?
no first choice
Census, GrowthLoop, Hightouch, Segment +1
no first choice
no first choice
Adobe Real-Time CDP, Hightouch, RudderStack, Salesforce Data Cloud +2
no first choice
no first choice
no first choice
Negative framing
Which customer data platforms should I avoid or be cautious about?
no first choice
against: Adobe Real-Time CDP, Salesforce Data Cloud, Segment +1
no first choice
no first choice
against: Adobe Real-Time CDP, Hightouch, Lytics +2
no first choice
against: Adobe Real-Time CDP, Microsoft Dynamics 365 Customer Insights, SAP Customer Data Platform +3
ActionIQ, Census, Hightouch
HubSpot, Klaviyo
against: Adobe Audience Manager, Adobe Campaign, Adobe Real-Time CDP +3
no first choice
against: Adobe Real-Time CDP, Hightouch, Segment +2

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
Adobe read as Adobe Real-Time CDP
HubSpot read as HubSpot
Oracle read as Oracle Unity
SAP read as SAP Customer Data Platform
Salesforce read as Salesforce Data Cloud
Unresolved, counted raw
None awaiting human review.
Discontinued, still offered
No shut-down product was recommended here.

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 09:49yes2655 s$0.25
Direct recommendationClaude Opus 4.8claude-opus-4-82026-09-08 09:50yes4245 s$0.20
Direct recommendationGPT-6 Astragpt-6-astra2026-09-08 09:51yes437 s$0.35
Direct recommendationGPT-5.6 Solgpt-5.6-sol2026-09-08 09:52yes740 s$0.19
Direct recommendationGemini 3.1 Progemini-3.1-pro-preview2026-09-08 09:51no027 s$0.03
Direct recommendationPerplexity Sonar Prosonar-pro2026-09-08 09:50yes206 s$0.01
ParaphraseClaude Opus 5claude-opus-52026-09-08 09:53yes2248 s$0.25
ParaphraseClaude Opus 4.8claude-opus-4-82026-09-08 09:53no020 s$0.06
ParaphraseGPT-6 Astragpt-6-astra2026-09-08 09:54yes429 s$0.27
ParaphraseGPT-5.6 Solgpt-5.6-sol2026-09-08 09:55yes945 s$0.18
ParaphraseGemini 3.1 Progemini-3.1-pro-preview2026-09-08 09:54no025 s$0.03
ParaphrasePerplexity Sonar Prosonar-pro2026-09-08 09:53yes205 s$0.01
ComparativeClaude Opus 5claude-opus-52026-09-08 09:56yes3765 s$0.38
ComparativeClaude Opus 4.8claude-opus-4-82026-09-08 09:59yes32148 s$0.26
ComparativeGPT-6 Astragpt-6-astra2026-09-08 10:01yes956 s$0.52
ComparativeGPT-5.6 Solgpt-5.6-sol2026-09-08 10:02yes1177 s$0.33
ComparativeGemini 3.1 Progemini-3.1-pro-preview2026-09-08 10:00yes640 s$0.05
ComparativePerplexity Sonar Prosonar-pro2026-09-08 09:59yes208 s$0.02
Budget constrainedClaude Opus 5claude-opus-52026-09-08 10:03yes4154 s$0.34
Budget constrainedClaude Opus 4.8claude-opus-4-82026-09-08 10:04yes3496 s$0.33
Budget constrainedGPT-6 Astragpt-6-astra2026-09-08 10:05yes224 s$0.29
Budget constrainedGPT-5.6 Solgpt-5.6-sol2026-09-08 10:06yes527 s$0.13
Budget constrainedGemini 3.1 Progemini-3.1-pro-preview2026-09-08 10:05yes1132 s$0.04
Budget constrainedPerplexity Sonar Prosonar-pro2026-09-08 10:04yes205 s$0.01
Scale constrainedClaude Opus 5claude-opus-52026-09-08 10:07yes749 s$0.15
Scale constrainedClaude Opus 4.8claude-opus-4-82026-09-08 10:07no020 s$0.06
Scale constrainedGPT-6 Astragpt-6-astra2026-09-08 10:08yes642 s$0.26
Scale constrainedGPT-5.6 Solgpt-5.6-sol2026-09-08 10:09yes258 s$0.12
Scale constrainedGemini 3.1 Progemini-3.1-pro-preview2026-09-08 10:08no026 s$0.03
Scale constrainedPerplexity Sonar Prosonar-pro2026-09-08 10:07yes209 s$0.02
Negative framingClaude Opus 5claude-opus-52026-09-08 10:11yes4080 s$0.34
Negative framingClaude Opus 4.8claude-opus-4-82026-09-08 10:12yes3852 s$0.29
Negative framingGPT-6 Astragpt-6-astra2026-09-08 10:13yes541 s$0.39
Negative framingGPT-5.6 Solgpt-5.6-sol2026-09-08 10:14yes760 s$0.24
Negative framingGemini 3.1 Progemini-3.1-pro-preview2026-09-08 10:12yes936 s$0.05
Negative framingPerplexity Sonar Prosonar-pro2026-09-08 10:12yes206 s$0.01
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