GTM AI Index
Index GTM data and infrastructure › Category 10 of 14 · September 2026 Edition
GTM data and infrastructure · 10 · Warehouse & ETL

Data warehouse and reverse ETL for marketing

Asked as “marketing data warehouse and reverse ETL stack”, and as “reverse ETL and warehouse setup for a marketing team”, on behalf of a mid-market B2B software company. 43 first choices recorded across the direct, paraphrase, budget and scale prompts, six models each.
Standing
Hightouch
40% of first choices across 43, the largest first-choice pool in the edition because answers here recommend stacks rather than single products. Only Hightouch clears the leader line.

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
01Hightouch40%6%35endorsed leader
02BigQuery26%9%35accepted challenger
03Snowflake23%19%32accepted challenger
04Census9%15%34accepted challenger
05RudderStack2%6%18accepted challenger
06dbt0%4%23accepted challenger
07Airbyte0%15%20accepted challenger
08Fivetran0%26%27criticized challenger
09Segment0%25%12criticized challenger
10Amazon Redshift0%39%18criticized challenger
11Databricks0%44%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.

Fivetran
26%
7 of 27 labels negative · 5 of 6 models · 1 hard negative
“Avoid Snowflake, Fivetran and enterprise CDP packages at the beginning” GPT-5.6 Sol, budget prompt
Census
15%
5 of 34 labels negative · 5 of 6 models
“if you're a standalone reverse ETL customer with no Fivetran ELT footprint, ask hard questions about roadmap, renewal pricing, and whether the standalone SKU survives long-term” Claude Opus 5, negative prompt
Amazon Redshift
39%
7 of 18 labels negative · 4 of 6 models · 1 hard negative
“Avoid provisioned Redshift for a small, lightly staffed team.” GPT-5.6 Sol, negative prompt
Snowflake
19%
6 of 32 labels negative · 4 of 6 models · 1 hard negative
“Avoid Snowflake, Fivetran and enterprise CDP packages at the beginning” GPT-5.6 Sol, budget 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
Held
Claude Opus 4.8
Changed
GPT-6 Astra
Changed
GPT-5.6 Sol
Changed
Gemini 3.1 Pro
Changed
Perplexity Sonar Pro
Changed

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
1 of 4 flipped
Claude Opus 4.8
1 of 4 flipped
GPT-6 Astra
0 of 5 flipped
GPT-5.6 Sol
1 of 6 flipped
Gemini 3.1 Pro
1 of 6 flipped
Perplexity Sonar Pro
3 of 5 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 data warehouse and reverse ETL stack for a mid-market B2B software company?
Hightouch, Snowflake
Airbyte, BigQuery, Census, Elementary +10
against: Adobe Real-Time CDP, Databricks, Klaviyo +2
BigQuery, Snowflake
Airbyte, Census, Fivetran, Hightouch +1
against: Amazon Redshift, Databricks
Hightouch, Snowflake
BigQuery, Census, Fivetran, dbt
Hightouch, Snowflake
BigQuery, Census, Fivetran, RudderStack +2
against: Databricks
Census, Hightouch, Snowflake
Airbyte, BigQuery, Fivetran, dbt
BigQuery, Hightouch, Snowflake
Dreamdata, Fivetran, HockeyStack, Improvado +1
Paraphrase
Which reverse ETL and warehouse setup for a marketing team would you recommend to a mid-sized B2B software company?
Hightouch, Snowflake
BigQuery, Census, Fivetran, Omnata +4
against: Airbyte, Airflow, Bloomreach +4
Hightouch
Airbyte, BigQuery, Census, Fivetran +2
Hightouch
BigQuery, Census, Fivetran, Snowflake +1
BigQuery, Hightouch
Census, Fivetran, Snowflake, dbt
Hightouch, Snowflake
Airbyte, BigQuery, Census, Fivetran +1
Hightouch
BigQuery, Census, Snowflake
against: Fivetran
Comparative
What are the top data warehouse and reverse ETL tools for marketing teams and how do they differ?
Hightouch
BigQuery, Census, Databricks, RudderStack +1
against: Amazon Redshift, Grouparoo
Census, Hightouch, Snowflake
Airbyte, Amazon Redshift, Azure Synapse, BigQuery +1
BigQuery, Census, Hightouch, Snowflake
Amazon Redshift, Databricks, GrowthLoop, Microsoft Fabric +1
Hightouch, Snowflake
Amazon Redshift, BigQuery, Census, Databricks +3
Hightouch
BigQuery, Census, RudderStack, Snowflake
BigQuery
Amazon Redshift, Azure Synapse, Census, Hightouch +1
Budget constrained
What is the best marketing data warehouse and reverse ETL stack for a company with a limited budget?
BigQuery, Hightouch
Airbyte, Census, DuckDB, Multiwoven +3
against: Fivetran, Snowflake, Supermetrics +1
BigQuery, Census, Hightouch
Airbyte, MotherDuck, dbt
against: Fivetran, Snowflake
BigQuery, Hightouch
Fivetran, dbt, dlt
BigQuery, RudderStack
Airbyte, Hightouch, dbt
against: Fivetran, PostgreSQL, Snowflake
BigQuery, Hightouch
Airbyte, Fivetran, MotherDuck, dbt
against: Census
BigQuery
Airbyte, Census, Hightouch, Metabase +1
against: Fivetran, PostgreSQL
Scale constrained
We are a 500 person company evaluating a marketing data warehouse and reverse ETL stack. What should we look at?
no first choice
no first choice
Census, Hightouch
Airbyte, BigQuery, RudderStack, Snowflake +1
BigQuery, Snowflake
Amazon Redshift, Census, Databricks, Fivetran +3
BigQuery, Census, Hightouch, Snowflake
Fivetran, RudderStack, dbt
against: Amazon Redshift, Databricks
no first choice
Negative framing
Which data warehouse and reverse ETL tools for marketing teams should I avoid or be cautious about?
no first choice
against: Amazon Redshift, BigQuery, Census +3
no first choice
against: Amazon Redshift, BigQuery, Census +1
no first choice
against: BigQuery, Census, Grouparoo +2
BigQuery
Microsoft Fabric
against: Amazon Redshift, Azure Synapse, Census +7
BigQuery, Census, Hightouch, Luca AI, Snowflake
against: Airbyte, Amazon Redshift, Databricks +6
Census, Hightouch
Grouparoo, RudderStack
against: Airbyte, Fivetran, Funnel +7

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
None. Every name in this category resolved on its own.
Unresolved, counted raw
Oracle
Discontinued, still offered
Perplexity Sonar Pro named Grouparoo as alternative on the negative prompt. Open source reverse ETL, shut down 2023.

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 14:23yes2479 s$0.24
Direct recommendationClaude Opus 4.8claude-opus-4-82026-09-08 14:23no028 s$0.07
Direct recommendationGPT-6 Astragpt-6-astra2026-09-08 14:25yes751 s$0.45
Direct recommendationGPT-5.6 Solgpt-5.6-sol2026-09-08 14:26yes761 s$0.29
Direct recommendationGemini 3.1 Progemini-3.1-pro-preview2026-09-08 14:24no029 s$0.03
Direct recommendationPerplexity Sonar Prosonar-pro2026-09-08 14:23yes2014 s$0.01
ParaphraseClaude Opus 5claude-opus-52026-09-08 14:27yes2287 s$0.25
ParaphraseClaude Opus 4.8claude-opus-4-82026-09-08 14:29yes2979 s$0.44
ParaphraseGPT-6 Astragpt-6-astra2026-09-08 14:30yes538 s$0.29
ParaphraseGPT-5.6 Solgpt-5.6-sol2026-09-08 14:32yes574 s$0.30
ParaphraseGemini 3.1 Progemini-3.1-pro-preview2026-09-08 14:30no028 s$0.03
ParaphrasePerplexity Sonar Prosonar-pro2026-09-08 14:29yes197 s$0.01
ComparativeClaude Opus 5claude-opus-52026-09-08 14:33yes2557 s$0.24
ComparativeClaude Opus 4.8claude-opus-4-82026-09-08 14:34yes3571 s$0.40
ComparativeGPT-6 Astragpt-6-astra2026-09-08 14:36yes1270 s$0.51
ComparativeGPT-5.6 Solgpt-5.6-sol2026-09-08 14:38yes1073 s$0.33
ComparativeGemini 3.1 Progemini-3.1-pro-preview2026-09-08 14:35yes956 s$0.06
ComparativePerplexity Sonar Prosonar-pro2026-09-08 14:34yes2011 s$0.02
Budget constrainedClaude Opus 5claude-opus-52026-09-08 14:39yes4085 s$0.38
Budget constrainedClaude Opus 4.8claude-opus-4-82026-09-08 14:40no022 s$0.06
Budget constrainedGPT-6 Astragpt-6-astra2026-09-08 14:42yes745 s$0.35
Budget constrainedGPT-5.6 Solgpt-5.6-sol2026-09-08 14:43yes757 s$0.23
Budget constrainedGemini 3.1 Progemini-3.1-pro-preview2026-09-08 14:41yes1053 s$0.07
Budget constrainedPerplexity Sonar Prosonar-pro2026-09-08 14:40yes2012 s$0.02
Scale constrainedClaude Opus 5claude-opus-52026-09-08 14:44yes2479 s$0.28
Scale constrainedClaude Opus 4.8claude-opus-4-82026-09-08 14:45no033 s$0.08
Scale constrainedGPT-6 Astragpt-6-astra2026-09-08 14:47yes1165 s$0.47
Scale constrainedGPT-5.6 Solgpt-5.6-sol2026-09-08 14:48yes976 s$0.27
Scale constrainedGemini 3.1 Progemini-3.1-pro-preview2026-09-08 14:46no040 s$0.03
Scale constrainedPerplexity Sonar Prosonar-pro2026-09-08 14:45yes2014 s$0.02
Negative framingClaude Opus 5claude-opus-52026-09-08 14:50yes3591 s$0.43
Negative framingClaude Opus 4.8claude-opus-4-82026-09-08 14:52yes32155 s$0.32
Negative framingGPT-6 Astragpt-6-astra2026-09-08 14:55yes649 s$0.41
Negative framingGPT-5.6 Solgpt-5.6-sol2026-09-08 14:57yes1082 s$0.41
Negative framingGemini 3.1 Progemini-3.1-pro-preview2026-09-08 14:54yes8101 s$0.06
Negative framingPerplexity Sonar Prosonar-pro2026-09-08 14:53yes2013 s$0.02
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